|
|
@@ -0,0 +1,2214 @@
|
|
|
+diff -Nur elf2flt-v2021.08.orig/elf2flt.c elf2flt-v2021.08/elf2flt.c
|
|
|
+--- elf2flt-v2021.08.orig/elf2flt.c 2023-01-29 16:47:24.791851890 +0100
|
|
|
++++ elf2flt-v2021.08/elf2flt.c 2023-01-29 16:49:46.628476326 +0100
|
|
|
+@@ -222,7 +222,7 @@
|
|
|
+ long i;
|
|
|
+ printf("SYMBOL TABLE:\n");
|
|
|
+ for (i=0; i<number_of_symbols; i++) {
|
|
|
+- printf(" NAME=%s VALUE=0x%"BFD_VMA_FMT"x\n",
|
|
|
++ printf(" NAME=%s VALUE=0x%x\n",
|
|
|
+ symbol_table[i]->name, symbol_table[i]->value);
|
|
|
+ }
|
|
|
+ printf("\n");
|
|
|
+@@ -471,7 +471,7 @@
|
|
|
+ if (r == NULL)
|
|
|
+ continue;
|
|
|
+ if (verbose)
|
|
|
+- printf(" RELOCS: %s [%p]: flags=0x%x vma=0x%"BFD_VMA_FMT"x\n",
|
|
|
++ printf(" RELOCS: %s [%p]: flags=0x%x vma=0x%x\n",
|
|
|
+ r->name, r, r->flags, elf2flt_bfd_section_vma(r));
|
|
|
+ if ((r->flags & SEC_RELOC) == 0)
|
|
|
+ continue;
|
|
|
+@@ -966,8 +966,8 @@
|
|
|
+ if (verbose)
|
|
|
+ fprintf(stderr,
|
|
|
+ "%s vma=0x%x, "
|
|
|
+- "value=0x%"BFD_VMA_FMT"x, "
|
|
|
+- "address=0x%"BFD_VMA_FMT"x "
|
|
|
++ "value=0x%x, "
|
|
|
++ "address=0x%x "
|
|
|
+ "sym_addr=0x%x rs=0x%x, opcode=0x%x\n",
|
|
|
+ "ABS32",
|
|
|
+ sym_vma, (*(q->sym_ptr_ptr))->value,
|
|
|
+@@ -985,8 +985,8 @@
|
|
|
+ if (verbose)
|
|
|
+ fprintf(stderr,
|
|
|
+ "%s vma=0x%x, "
|
|
|
+- "value=0x%"BFD_VMA_FMT"x, "
|
|
|
+- "address=0x%"BFD_VMA_FMT"x "
|
|
|
++ "value=0x%x, "
|
|
|
++ "address=0x%x "
|
|
|
+ "sym_addr=0x%x rs=0x%x, opcode=0x%x\n",
|
|
|
+ "PLT32",
|
|
|
+ sym_vma, (*(q->sym_ptr_ptr))->value,
|
|
|
+@@ -1008,7 +1008,7 @@
|
|
|
+ case R_V850_ZDA_16_16_OFFSET:
|
|
|
+ case R_V850_ZDA_16_16_SPLIT_OFFSET:
|
|
|
+ /* Can't support zero-relocations. */
|
|
|
+- printf ("ERROR: %s+0x%"BFD_VMA_FMT"x: zero relocations not supported\n",
|
|
|
++ printf ("ERROR: %s+0x%x: zero relocations not supported\n",
|
|
|
+ sym_name, q->addend);
|
|
|
+ continue;
|
|
|
+ #endif /* TARGET_v850 */
|
|
|
+@@ -1208,9 +1208,9 @@
|
|
|
+ temp |= (exist_val & 0x3f);
|
|
|
+ *(unsigned long *)r_mem = htoniosl(temp);
|
|
|
+ if (verbose)
|
|
|
+- printf("omit: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
|
|
|
++ printf("omit: offset=0x%x symbol=%s%s "
|
|
|
+ "section=%s size=%d "
|
|
|
+- "fixup=0x%x (reloc=0x%"BFD_VMA_FMT"x) GPREL\n",
|
|
|
++ "fixup=0x%x (reloc=0x%x) GPREL\n",
|
|
|
+ q->address, sym_name, addstr,
|
|
|
+ section_name, sym_reloc_size,
|
|
|
+ sym_addr, section_vma + q->address);
|
|
|
+@@ -1228,9 +1228,9 @@
|
|
|
+ exist_val |= ((sym_addr & 0xFFFF) << 6);
|
|
|
+ *(unsigned long *)r_mem = htoniosl(exist_val);
|
|
|
+ if (verbose)
|
|
|
+- printf("omit: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
|
|
|
++ printf("omit: offset=0x%x symbol=%s%s "
|
|
|
+ "section=%s size=%d "
|
|
|
+- "fixup=0x%x (reloc=0x%"BFD_VMA_FMT"x) PCREL\n",
|
|
|
++ "fixup=0x%x (reloc=0x%x) PCREL\n",
|
|
|
+ q->address, sym_name, addstr,
|
|
|
+ section_name, sym_reloc_size,
|
|
|
+ sym_addr, section_vma + q->address);
|
|
|
+@@ -1245,7 +1245,7 @@
|
|
|
+ && (p[-1]->sym_ptr_ptr == p[0]->sym_ptr_ptr)
|
|
|
+ && (p[-1]->addend == p[0]->addend)) {
|
|
|
+ if (verbose)
|
|
|
+- printf("omit: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
|
|
|
++ printf("omit: offset=0x%x symbol=%s%s "
|
|
|
+ "section=%s size=%d LO16\n",
|
|
|
+ q->address, sym_name, addstr,
|
|
|
+ section_name, sym_reloc_size);
|
|
|
+@@ -1660,9 +1660,9 @@
|
|
|
+ */
|
|
|
+ if (relocation_needed) {
|
|
|
+ if (verbose)
|
|
|
+- printf(" RELOC[%d]: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
|
|
|
++ printf(" RELOC[%d]: offset=0x%x symbol=%s%s "
|
|
|
+ "section=%s size=%d "
|
|
|
+- "fixup=0x%x (reloc=0x%"BFD_VMA_FMT"x)\n",
|
|
|
++ "fixup=0x%x (reloc=0x%x)\n",
|
|
|
+ flat_reloc_count,
|
|
|
+ q->address, sym_name, addstr,
|
|
|
+ section_name, sym_reloc_size,
|
|
|
+diff -Nur elf2flt-v2021.08.orig/elf2flt.c.orig elf2flt-v2021.08/elf2flt.c.orig
|
|
|
+--- elf2flt-v2021.08.orig/elf2flt.c.orig 2023-01-29 16:47:18.264007463 +0100
|
|
|
++++ elf2flt-v2021.08/elf2flt.c.orig 1970-01-01 01:00:00.000000000 +0100
|
|
|
+@@ -1,2113 +0,0 @@
|
|
|
+-/*
|
|
|
+- * elf2flt.c: Convert ELF (or any BFD format) to FLAT binary format
|
|
|
+- *
|
|
|
+- * (c) 1999-2002, Greg Ungerer <gerg@snapgear.com>
|
|
|
+- * Created elf2flt from coff2flt (see copyrights below). Added all the
|
|
|
+- * ELF format file handling. Extended relocation support for all of
|
|
|
+- * text and data.
|
|
|
+- *
|
|
|
+- * (c) 2008-2009, Xtensa support, Oskar Schirmer <os@emlix.com>
|
|
|
+- * (c) 2006 Support the -a (use_resolved) option for TARGET_arm.
|
|
|
+- * Shaun Jackman <sjackman@gmail.com>
|
|
|
+- * (c) 2004, Nios II support, Wentao Xu <wentao@microtronix.com>
|
|
|
+- * (c) 2003, H8 support, ktrace <davidm@snapgear.com>
|
|
|
+- * (c) 2003-2004, MicroBlaze support, John Williams <jwilliams@itee.uq.edu.au>
|
|
|
+- * (c) 2001-2003, arm/arm-pic/arm-big-endian support <davidm@snapgear.com>
|
|
|
+- * (c) 2001, v850 changes, Mile Bader <miles@lsi.nec.co.jp>
|
|
|
+- * (c) 2003, SuperH support, Paul Mundt <lethal@linux-sh.org>
|
|
|
+- * (c) 2001, zflat support <davidm@snapgear.com>
|
|
|
+- * (c) 2001, Changes for GOT entries Paul Dale <pauli@snapgear.com> and
|
|
|
+- * David McCullough <davidm@snapgear.com>
|
|
|
+- *
|
|
|
+- * Now supports PIC with GOT tables. This works by taking a '.elf' file
|
|
|
+- * and a fully linked elf executable (at address 0) and produces a flat
|
|
|
+- * file that can be loaded with some fixups. It still supports the old
|
|
|
+- * style fully relocatable elf format files.
|
|
|
+- *
|
|
|
+- * Originally obj-res.c
|
|
|
+- *
|
|
|
+- * (c) 1998, Kenneth Albanowski <kjahds@kjahds.com>
|
|
|
+- * (c) 1998, D. Jeff Dionne
|
|
|
+- * (c) 1998, The Silver Hammer Group Ltd.
|
|
|
+- * (c) 1996, 1997 Dionne & Associates <jeff@ryeham.ee.ryerson.ca>
|
|
|
+- *
|
|
|
+- * This is Free Software, under the GNU Public Licence v2 or greater.
|
|
|
+- *
|
|
|
+- * Relocation added March 1997, Kresten Krab Thorup
|
|
|
+- * krab@california.daimi.aau.dk
|
|
|
+- */
|
|
|
+-
|
|
|
+-#include <inttypes.h> /* All the standard PRI define times for printf */
|
|
|
+-#include <stdio.h> /* Userland pieces of the ANSI C standard I/O package */
|
|
|
+-#include <stdlib.h> /* Userland prototypes of the ANSI C std lib functions */
|
|
|
+-#include <stdarg.h> /* Allows va_list to exist in the these namespaces */
|
|
|
+-#include <string.h> /* Userland prototypes of the string handling funcs */
|
|
|
+-#include <strings.h>
|
|
|
+-#include <unistd.h> /* Userland prototypes of the Unix std system calls */
|
|
|
+-#include <fcntl.h> /* Flag value for file handling functions */
|
|
|
+-#include <time.h>
|
|
|
+-#include <errno.h>
|
|
|
+-
|
|
|
+-/* from $(INSTALLDIR)/include */
|
|
|
+-#include <bfd.h> /* Main header file for the BFD library */
|
|
|
+-#include <libiberty.h>
|
|
|
+-
|
|
|
+-#include "stubs.h"
|
|
|
+-const char *elf2flt_progname;
|
|
|
+-
|
|
|
+-/* Include the right header file for the R_xxx defines. */
|
|
|
+-#if defined(TARGET_arm)
|
|
|
+-#include <elf/arm.h>
|
|
|
+-#elif defined(TARGET_bfin)
|
|
|
+-#include <elf/bfin.h>
|
|
|
+-#elif defined(TARGET_h8300)
|
|
|
+-#include <elf/h8.h>
|
|
|
+-#elif defined(TARGET_m68k)
|
|
|
+-#include <elf/m68k.h>
|
|
|
+-#elif defined(TARGET_microblaze)
|
|
|
+-#include <elf/microblaze.h>
|
|
|
+-#elif defined(TARGET_nios) || defined(TARGET_nios2)
|
|
|
+-/* Altera NIOS specific definitions. */
|
|
|
+-#define FLAT_NIOS2_R_32 0 /* Normal 32-bit reloc */
|
|
|
+-#define FLAT_NIOS2_R_HI_LO 1
|
|
|
+-#define FLAT_NIOS2_R_HIADJ_LO 2
|
|
|
+-#define FLAT_NIOS2_R_CALL26 4
|
|
|
+-#include <elf/nios2.h>
|
|
|
+-#elif defined(TARGET_sh)
|
|
|
+-#include <elf/sh.h>
|
|
|
+-#elif defined(TARGET_sparc)
|
|
|
+-#include <elf/sparc.h>
|
|
|
+-#elif defined(TARGET_v850)
|
|
|
+-#include <elf/v850.h>
|
|
|
+-#elif defined(TARGET_xtensa)
|
|
|
+-#include <elf/xtensa.h>
|
|
|
+-#elif defined(TARGET_riscv64)
|
|
|
+-#include <elf/riscv.h>
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-#if defined(__MINGW32__)
|
|
|
+-#include <getopt.h>
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-/* from uClinux-x.x.x/include/linux */
|
|
|
+-#include "flat.h" /* Binary flat header description */
|
|
|
+-#include "compress.h"
|
|
|
+-
|
|
|
+-#ifdef TARGET_e1
|
|
|
+-#include <e1.h>
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-#ifdef TARGET_v850e
|
|
|
+-#define TARGET_v850
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-#if defined(TARGET_m68k)
|
|
|
+-#define ARCH "m68k/coldfire"
|
|
|
+-#elif defined(TARGET_arm)
|
|
|
+-#define ARCH "arm"
|
|
|
+-#elif defined(TARGET_sparc)
|
|
|
+-#define ARCH "sparc"
|
|
|
+-#elif defined(TARGET_v850)
|
|
|
+-#define ARCH "v850"
|
|
|
+-#elif defined(TARGET_sh)
|
|
|
+-#define ARCH "sh"
|
|
|
+-#elif defined(TARGET_h8300)
|
|
|
+-#define ARCH "h8300"
|
|
|
+-#elif defined(TARGET_microblaze)
|
|
|
+-#define ARCH "microblaze"
|
|
|
+-#elif defined(TARGET_e1)
|
|
|
+-#define ARCH "e1-coff"
|
|
|
+-#elif defined(TARGET_bfin)
|
|
|
+-#define ARCH "bfin"
|
|
|
+-#elif defined(TARGET_nios)
|
|
|
+-#define ARCH "nios"
|
|
|
+-#elif defined(TARGET_nios2)
|
|
|
+-#define ARCH "nios2"
|
|
|
+-#elif defined(TARGET_xtensa)
|
|
|
+-#define ARCH "xtensa"
|
|
|
+-#elif defined(TARGET_riscv64)
|
|
|
+-#define ARCH "riscv64"
|
|
|
+-#else
|
|
|
+-#error "Don't know how to support your CPU architecture??"
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-#if defined(TARGET_m68k) || defined(TARGET_h8300) || defined(TARGET_bfin)
|
|
|
+-/*
|
|
|
+- * Define a maximum number of bytes allowed in the offset table.
|
|
|
+- * We'll fail if the table is larger than this.
|
|
|
+- *
|
|
|
+- * This limit may be different for platforms other than m68k, but
|
|
|
+- * 8000 entries is a lot, trust me :-) (davidm)
|
|
|
+- */
|
|
|
+-#define GOT_LIMIT 32767
|
|
|
+-/*
|
|
|
+- * we have to mask out the shared library id here and there, this gives
|
|
|
+- * us the real address bits when needed
|
|
|
+- */
|
|
|
+-#define real_address_bits(x) (pic_with_got ? ((x) & 0xffffff) : (x))
|
|
|
+-#else
|
|
|
+-#define real_address_bits(x) (x)
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-#ifndef O_BINARY
|
|
|
+-#define O_BINARY 0
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-/*
|
|
|
+- * The bfd parameter isn't actually used by any of the bfd_section funcs and
|
|
|
+- * have been removed since binutils 2.34.
|
|
|
+- */
|
|
|
+-#ifdef HAVE_BFD_SECTION_API_TAKES_BFD
|
|
|
+-#define elf2flt_bfd_section_size(s) bfd_section_size(NULL, s)
|
|
|
+-#define elf2flt_bfd_section_vma(s) bfd_section_vma(NULL, s)
|
|
|
+-#else
|
|
|
+-#define elf2flt_bfd_section_size(s) bfd_section_size(s)
|
|
|
+-#define elf2flt_bfd_section_vma(s) bfd_section_vma(s)
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-/* Extra output when running. */
|
|
|
+-static int verbose = 0;
|
|
|
+-/* Do ELF/GOT processing with PIC code. */
|
|
|
+-static int pic_with_got = 0;
|
|
|
+-/* Instruct loader to allocate everything into RAM. */
|
|
|
+-static int load_to_ram = 0;
|
|
|
+-/* Instruct kernel loader to output debug/trace info when loading. */
|
|
|
+-static int ktrace = 0;
|
|
|
+-/* 1 = compress everything, 2 = compress data only. */
|
|
|
+-static int docompress = 0;
|
|
|
+-/* If true, get the value of symbol references from the program contents,
|
|
|
+- not from the relocation table. In this case, the input ELF file must
|
|
|
+- be already fully resolved (using the `-q' flag with recent versions of
|
|
|
+- GNU ld will give you a fully resolved output file with relocation
|
|
|
+- entries). */
|
|
|
+-static int use_resolved = 0;
|
|
|
+-
|
|
|
+-/* Set if the text section contains any relocations. If it does, we must
|
|
|
+- set the load_to_ram flag. */
|
|
|
+-static int text_has_relocs = 0;
|
|
|
+-
|
|
|
+-static asymbol **
|
|
|
+-get_symbols (bfd *abfd, long *num)
|
|
|
+-{
|
|
|
+- int32_t storage_needed;
|
|
|
+- asymbol **symbol_table;
|
|
|
+- long number_of_symbols;
|
|
|
+-
|
|
|
+- storage_needed = bfd_get_symtab_upper_bound (abfd);
|
|
|
+-
|
|
|
+- if (storage_needed < 0)
|
|
|
+- abort ();
|
|
|
+-
|
|
|
+- if (storage_needed == 0)
|
|
|
+- return NULL;
|
|
|
+-
|
|
|
+- symbol_table = xmalloc (storage_needed);
|
|
|
+-
|
|
|
+- number_of_symbols = bfd_canonicalize_symtab (abfd, symbol_table);
|
|
|
+-
|
|
|
+- if (number_of_symbols < 0)
|
|
|
+- abort ();
|
|
|
+-
|
|
|
+- *num = number_of_symbols;
|
|
|
+- return symbol_table;
|
|
|
+-}
|
|
|
+-
|
|
|
+-
|
|
|
+-
|
|
|
+-static int
|
|
|
+-dump_symbols(asymbol **symbol_table, long number_of_symbols)
|
|
|
+-{
|
|
|
+- long i;
|
|
|
+- printf("SYMBOL TABLE:\n");
|
|
|
+- for (i=0; i<number_of_symbols; i++) {
|
|
|
+- printf(" NAME=%s VALUE=0x%"BFD_VMA_FMT"x\n",
|
|
|
+- symbol_table[i]->name, symbol_table[i]->value);
|
|
|
+- }
|
|
|
+- printf("\n");
|
|
|
+- return(0);
|
|
|
+-}
|
|
|
+-
|
|
|
+-
|
|
|
+-
|
|
|
+-#if !defined TARGET_e1 && !defined TARGET_bfin
|
|
|
+-static long
|
|
|
+-get_symbol_offset(char *name, asection *sec, asymbol **symbol_table, long number_of_symbols)
|
|
|
+-{
|
|
|
+- long i;
|
|
|
+- for (i=0; i<number_of_symbols; i++) {
|
|
|
+- if (symbol_table[i]->section == sec) {
|
|
|
+- if (!strcmp(symbol_table[i]->name, name)) {
|
|
|
+- return symbol_table[i]->value;
|
|
|
+- }
|
|
|
+- }
|
|
|
+- }
|
|
|
+- return -1;
|
|
|
+-}
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-
|
|
|
+-
|
|
|
+-#ifdef TARGET_nios2
|
|
|
+-static long
|
|
|
+-get_gp_value(asymbol **symbol_table, long number_of_symbols)
|
|
|
+-{
|
|
|
+- long i;
|
|
|
+- for (i=0; i<number_of_symbols; i++) {
|
|
|
+- if (!strcmp(symbol_table[i]->name, "_gp"))
|
|
|
+- return symbol_table[i]->value;
|
|
|
+- }
|
|
|
+- return -1;
|
|
|
+-}
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-
|
|
|
+-
|
|
|
+-static int32_t
|
|
|
+-add_com_to_bss(asymbol **symbol_table, int32_t number_of_symbols, int32_t bss_len)
|
|
|
+-{
|
|
|
+- int32_t i, comsize;
|
|
|
+- int32_t offset;
|
|
|
+-
|
|
|
+- comsize = 0;
|
|
|
+- for (i=0; i<number_of_symbols; i++) {
|
|
|
+- if (strcmp("*COM*", symbol_table[i]->section->name) == 0) {
|
|
|
+- offset = bss_len + comsize;
|
|
|
+- comsize += symbol_table[i]->value;
|
|
|
+- symbol_table[i]->value = offset;
|
|
|
+- }
|
|
|
+- }
|
|
|
+- return comsize;
|
|
|
+-}
|
|
|
+-
|
|
|
+-#ifdef TARGET_bfin
|
|
|
+-/* FUNCTION : weak_und_symbol
|
|
|
+- ABSTRACT : return true if symbol is weak and undefined.
|
|
|
+-*/
|
|
|
+-static int
|
|
|
+-weak_und_symbol(const char *reloc_section_name,
|
|
|
+- struct bfd_symbol *symbol)
|
|
|
+-{
|
|
|
+- if (!(strstr (reloc_section_name, "text")
|
|
|
+- || strstr (reloc_section_name, "data")
|
|
|
+- || strstr (reloc_section_name, "bss"))) {
|
|
|
+- if (symbol->flags & BSF_WEAK) {
|
|
|
+-#ifdef DEBUG_BFIN
|
|
|
+- fprintf(stderr, "found weak undefined symbol %s\n", symbol->name);
|
|
|
+-#endif
|
|
|
+- return TRUE;
|
|
|
+- }
|
|
|
+- }
|
|
|
+- return FALSE;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int
|
|
|
+-bfin_set_reloc (uint32_t *reloc,
|
|
|
+- const char *reloc_section_name,
|
|
|
+- const char *sym_name,
|
|
|
+- struct bfd_symbol *symbol,
|
|
|
+- int sp, int32_t offset)
|
|
|
+-{
|
|
|
+- unsigned int type = 0;
|
|
|
+- uint32_t val;
|
|
|
+-
|
|
|
+- if (strstr (reloc_section_name, "stack")) {
|
|
|
+- if (verbose)
|
|
|
+- printf("Stack-relative reloc, offset %08"PRIx32"\n", offset);
|
|
|
+- /* This must be a stack_start reloc for stack checking. */
|
|
|
+- type = 1;
|
|
|
+- }
|
|
|
+- val = (offset & ((1 << 26) - 1));
|
|
|
+- val |= (sp & ((1 << 3) - 1)) << 26;
|
|
|
+- val |= type << 29;
|
|
|
+- *reloc = val;
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static bfd *compare_relocs_bfd;
|
|
|
+-
|
|
|
+-static int
|
|
|
+-compare_relocs (const void *pa, const void *pb)
|
|
|
+-{
|
|
|
+- const arelent *const *a = pa, *const *b = pb;
|
|
|
+- const arelent *ra = *a, *rb = *b;
|
|
|
+- unsigned long va, vb;
|
|
|
+- uint32_t a_vma, b_vma;
|
|
|
+-
|
|
|
+- if (!ra->sym_ptr_ptr || !*ra->sym_ptr_ptr)
|
|
|
+- return -1;
|
|
|
+- else if (!rb->sym_ptr_ptr || !*rb->sym_ptr_ptr)
|
|
|
+- return 1;
|
|
|
+-
|
|
|
+- a_vma = elf2flt_bfd_section_vma((*(ra->sym_ptr_ptr))->section);
|
|
|
+- b_vma = elf2flt_bfd_section_vma((*(rb->sym_ptr_ptr))->section);
|
|
|
+- va = (*(ra->sym_ptr_ptr))->value + a_vma + ra->addend;
|
|
|
+- vb = (*(rb->sym_ptr_ptr))->value + b_vma + rb->addend;
|
|
|
+- return va - vb;
|
|
|
+-}
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-static bool
|
|
|
+-ro_reloc_data_section_should_be_in_text(asection *s)
|
|
|
+-{
|
|
|
+- if ((s->flags & (SEC_DATA | SEC_READONLY | SEC_RELOC)) ==
|
|
|
+- (SEC_DATA | SEC_READONLY | SEC_RELOC)) {
|
|
|
+-#if defined(TARGET_m68k) || defined(TARGET_riscv64) || defined(TARGET_xtensa)
|
|
|
+- if (!strcmp(".eh_frame", s->name))
|
|
|
+- return false;
|
|
|
+-#endif
|
|
|
+- return true;
|
|
|
+- }
|
|
|
+- return false;
|
|
|
+-}
|
|
|
+-
|
|
|
+-static uint32_t *
|
|
|
+-output_relocs (
|
|
|
+- bfd *abs_bfd,
|
|
|
+- asymbol **symbols,
|
|
|
+- int number_of_symbols,
|
|
|
+- uint32_t *n_relocs,
|
|
|
+- unsigned char *text, int text_len, uint32_t text_vma,
|
|
|
+- unsigned char *data, int data_len, uint32_t data_vma,
|
|
|
+- bfd *rel_bfd)
|
|
|
+-{
|
|
|
+- uint32_t *flat_relocs;
|
|
|
+- asection *a, *sym_section, *r;
|
|
|
+- arelent **relpp, **p, *q;
|
|
|
+- const char *sym_name, *section_name;
|
|
|
+- unsigned char *sectionp;
|
|
|
+- unsigned long pflags;
|
|
|
+- char addstr[20];
|
|
|
+- uint32_t sym_addr, sym_vma, section_vma;
|
|
|
+- int relsize, relcount;
|
|
|
+- int flat_reloc_count;
|
|
|
+- int sym_reloc_size, rc;
|
|
|
+- int got_size = 0;
|
|
|
+- int bad_relocs = 0;
|
|
|
+- asymbol **symb;
|
|
|
+- long nsymb;
|
|
|
+-#ifdef TARGET_bfin
|
|
|
+- unsigned long persistent_data = 0;
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-#if 0
|
|
|
+- printf("%s(%d): output_relocs(abs_bfd=%d,symbols=0x%x,number_of_symbols=%d,"
|
|
|
+- "n_relocs=0x%x,text=0x%x,text_len=%d,data=0x%x,data_len=%d)\n",
|
|
|
+- __FILE__, __LINE__, abs_bfd, symbols, number_of_symbols, n_relocs,
|
|
|
+- text, text_len, data, data_len);
|
|
|
+-#endif
|
|
|
+-
|
|
|
+- if (0)
|
|
|
+- dump_symbols(symbols, number_of_symbols);
|
|
|
+-
|
|
|
+- *n_relocs = 0;
|
|
|
+- flat_relocs = NULL;
|
|
|
+- flat_reloc_count = 0;
|
|
|
+- sym_reloc_size = 0;
|
|
|
+- rc = 0;
|
|
|
+- pflags = 0;
|
|
|
+- /* Silence gcc warnings */
|
|
|
+- (void) pflags;
|
|
|
+- (void) sym_vma;
|
|
|
+-
|
|
|
+- /* Determine how big our offset table is in bytes.
|
|
|
+- * This isn't too difficult as we've terminated the table with -1.
|
|
|
+- * Also note that both the relocatable and absolute versions have this
|
|
|
+- * terminator even though the relocatable one doesn't have the GOT!
|
|
|
+- */
|
|
|
+- if (pic_with_got && !use_resolved) {
|
|
|
+- uint32_t *lp = (uint32_t *)data;
|
|
|
+- /* Should call ntohl(*lp) here but is isn't going to matter */
|
|
|
+- while (*lp != 0xffffffff) lp++;
|
|
|
+- got_size = ((unsigned char *)lp) - data;
|
|
|
+- if (verbose)
|
|
|
+- printf("GOT table contains %zu entries (%d bytes)\n",
|
|
|
+- got_size/sizeof(uint32_t), got_size);
|
|
|
+-#ifdef TARGET_m68k
|
|
|
+- if (got_size > GOT_LIMIT)
|
|
|
+- fatal("GOT too large: %d bytes (limit = %d bytes)",
|
|
|
+- got_size, GOT_LIMIT);
|
|
|
+-#endif
|
|
|
+- }
|
|
|
+-
|
|
|
+- for (a = abs_bfd->sections; (a != (asection *) NULL); a = a->next) {
|
|
|
+- section_vma = elf2flt_bfd_section_vma(a);
|
|
|
+-
|
|
|
+- if (verbose)
|
|
|
+- printf("SECTION: %s [%p]: flags=0x%x vma=0x%"PRIx32"\n",
|
|
|
+- a->name, a, a->flags, section_vma);
|
|
|
+-
|
|
|
+-// if (bfd_is_abs_section(a))
|
|
|
+-// continue;
|
|
|
+- if (bfd_is_und_section(a))
|
|
|
+- continue;
|
|
|
+- if (bfd_is_com_section(a))
|
|
|
+- continue;
|
|
|
+-// if ((a->flags & SEC_RELOC) == 0)
|
|
|
+-// continue;
|
|
|
+-
|
|
|
+- /*
|
|
|
+- * Only relocate things in the writable data sections if we are PIC/GOT.
|
|
|
+- * Otherwise do text (and read only data) as well.
|
|
|
+- */
|
|
|
+- if ((!pic_with_got || ALWAYS_RELOC_TEXT) &&
|
|
|
+- ((a->flags & SEC_CODE) ||
|
|
|
+- ro_reloc_data_section_should_be_in_text(a)))
|
|
|
+- sectionp = text + (a->vma - text_vma);
|
|
|
+- else if (a->flags & SEC_DATA)
|
|
|
+- sectionp = data + (a->vma - data_vma);
|
|
|
+- else
|
|
|
+- continue;
|
|
|
+-
|
|
|
+- /* Now search for the equivalent section in the relocation binary
|
|
|
+- * and use that relocation information to build reloc entries
|
|
|
+- * for this one.
|
|
|
+- */
|
|
|
+- for (r=rel_bfd->sections; r != NULL; r=r->next)
|
|
|
+- if (strcmp(a->name, r->name) == 0)
|
|
|
+- break;
|
|
|
+- if (r == NULL)
|
|
|
+- continue;
|
|
|
+- if (verbose)
|
|
|
+- printf(" RELOCS: %s [%p]: flags=0x%x vma=0x%"BFD_VMA_FMT"x\n",
|
|
|
+- r->name, r, r->flags, elf2flt_bfd_section_vma(r));
|
|
|
+- if ((r->flags & SEC_RELOC) == 0)
|
|
|
+- continue;
|
|
|
+- relsize = bfd_get_reloc_upper_bound(rel_bfd, r);
|
|
|
+- if (relsize <= 0) {
|
|
|
+- if (verbose)
|
|
|
+- printf("%s(%d): no relocation entries section=%s\n",
|
|
|
+- __FILE__, __LINE__, r->name);
|
|
|
+- continue;
|
|
|
+- }
|
|
|
+-
|
|
|
+- symb = get_symbols(rel_bfd, &nsymb);
|
|
|
+- relpp = xmalloc(relsize);
|
|
|
+-
|
|
|
+- relcount = bfd_canonicalize_reloc(rel_bfd, r, relpp, symb);
|
|
|
+- if (relcount <= 0) {
|
|
|
+- if (verbose)
|
|
|
+- printf("%s(%d): no relocation entries section=%s\n",
|
|
|
+- __FILE__, __LINE__, r->name);
|
|
|
+- continue;
|
|
|
+- } else {
|
|
|
+-#ifdef TARGET_bfin
|
|
|
+- compare_relocs_bfd = abs_bfd;
|
|
|
+- qsort (relpp, relcount, sizeof *relpp, compare_relocs);
|
|
|
+-#endif
|
|
|
+- for (p = relpp; (relcount && (*p != NULL)); p++, relcount--) {
|
|
|
+- unsigned char *r_mem = NULL;
|
|
|
+- int relocation_needed = 0;
|
|
|
+- /* Do we need to update the text segment? By default yes if not pic_with_got */
|
|
|
+- int update_text = !pic_with_got;
|
|
|
+-
|
|
|
+-#ifdef TARGET_v850
|
|
|
+- /* Skip this relocation entirely if possible (we
|
|
|
+- do this early, before doing any other
|
|
|
+- processing on it). */
|
|
|
+- switch ((*p)->howto->type) {
|
|
|
+- case R_V850_9_PCREL:
|
|
|
+- case R_V850_22_PCREL:
|
|
|
+- case R_V850_SDA_16_16_OFFSET:
|
|
|
+- case R_V850_SDA_15_16_OFFSET:
|
|
|
+- case R_V850_ZDA_15_16_OFFSET:
|
|
|
+- case R_V850_TDA_6_8_OFFSET:
|
|
|
+- case R_V850_TDA_7_8_OFFSET:
|
|
|
+- case R_V850_TDA_7_7_OFFSET:
|
|
|
+- case R_V850_TDA_16_16_OFFSET:
|
|
|
+- case R_V850_TDA_4_5_OFFSET:
|
|
|
+- case R_V850_TDA_4_4_OFFSET:
|
|
|
+- case R_V850_SDA_16_16_SPLIT_OFFSET:
|
|
|
+- case R_V850_CALLT_6_7_OFFSET:
|
|
|
+- case R_V850_CALLT_16_16_OFFSET:
|
|
|
+- /* These are relative relocations, which
|
|
|
+- have already been fixed up by the
|
|
|
+- linker at this point, so just ignore
|
|
|
+- them. */
|
|
|
+- continue;
|
|
|
+- }
|
|
|
+-#endif /* USE_V850_RELOCS */
|
|
|
+-
|
|
|
+- q = *p;
|
|
|
+- if (q->sym_ptr_ptr && *q->sym_ptr_ptr) {
|
|
|
+- sym_name = (*(q->sym_ptr_ptr))->name;
|
|
|
+- sym_section = (*(q->sym_ptr_ptr))->section;
|
|
|
+- section_name=(*(q->sym_ptr_ptr))->section->name;
|
|
|
+- } else {
|
|
|
+- printf("ERROR: undefined relocation entry\n");
|
|
|
+- rc = -1;
|
|
|
+- continue;
|
|
|
+- }
|
|
|
+-#ifndef TARGET_bfin
|
|
|
+- /* Adjust the address to account for the GOT table which wasn't
|
|
|
+- * present in the relative file link.
|
|
|
+- */
|
|
|
+- if (pic_with_got && !use_resolved)
|
|
|
+- q->address += got_size;
|
|
|
+-#endif
|
|
|
+-
|
|
|
+- /* A pointer to what's being relocated, used often
|
|
|
+- below. */
|
|
|
+- r_mem = sectionp + q->address;
|
|
|
+-
|
|
|
+- /*
|
|
|
+- * Fixup offset in the actual section.
|
|
|
+- */
|
|
|
+- addstr[0] = 0;
|
|
|
+-#if !defined TARGET_e1 && !defined TARGET_bfin
|
|
|
+- if ((sym_addr = get_symbol_offset((char *) sym_name,
|
|
|
+- sym_section, symbols, number_of_symbols)) == -1) {
|
|
|
+- sym_addr = 0;
|
|
|
+- }
|
|
|
+-#else
|
|
|
+- sym_addr = (*(q->sym_ptr_ptr))->value;
|
|
|
+-#endif
|
|
|
+- if (use_resolved) {
|
|
|
+- /* Use the address of the symbol already in
|
|
|
+- the program text. How this is handled may
|
|
|
+- still depend on the particular relocation
|
|
|
+- though. */
|
|
|
+- switch (q->howto->type) {
|
|
|
+-#ifdef TARGET_v850
|
|
|
+- int r2_type;
|
|
|
+- case R_V850_HI16_S:
|
|
|
+- /* We specially handle adjacent
|
|
|
+- HI16_S/ZDA_15_16_OFFSET and
|
|
|
+- HI16_S/LO16 pairs that reference the
|
|
|
+- same address (these are usually
|
|
|
+- movhi/ld and movhi/movea pairs,
|
|
|
+- respectively). */
|
|
|
+- if (relcount == 0)
|
|
|
+- r2_type = R_V850_NONE;
|
|
|
+- else
|
|
|
+- r2_type = p[1]->howto->type;
|
|
|
+- if ((r2_type == R_V850_ZDA_15_16_OFFSET
|
|
|
+- || r2_type == R_V850_LO16)
|
|
|
+- && (p[0]->sym_ptr_ptr
|
|
|
+- == p[1]->sym_ptr_ptr)
|
|
|
+- && (p[0]->addend == p[1]->addend))
|
|
|
+- {
|
|
|
+- relocation_needed = 1;
|
|
|
+-
|
|
|
+- switch (r2_type) {
|
|
|
+- case R_V850_ZDA_15_16_OFFSET:
|
|
|
+- pflags = 0x10000000;
|
|
|
+- break;
|
|
|
+- case R_V850_LO16:
|
|
|
+- pflags = 0x20000000;
|
|
|
+- break;
|
|
|
+- }
|
|
|
+-
|
|
|
+- /* We don't really need the
|
|
|
+- actual value -- the bits
|
|
|
+- produced by the linker are
|
|
|
+- what we want in the final
|
|
|
+- flat file -- but get it
|
|
|
+- anyway if useful for
|
|
|
+- debugging. */
|
|
|
+- if (verbose) {
|
|
|
+- unsigned char *r2_mem =
|
|
|
+- sectionp
|
|
|
+- + p[1]->address;
|
|
|
+- /* little-endian */
|
|
|
+- int hi = r_mem[0]
|
|
|
+- + (r_mem[1] << 8);
|
|
|
+- int lo = r2_mem[0]
|
|
|
+- + (r2_mem[1] << 8);
|
|
|
+- /* Sign extend LO. */
|
|
|
+- lo = (lo ^ 0x8000)
|
|
|
+- - 0x8000;
|
|
|
+-
|
|
|
+- /* Maybe ignore the LSB
|
|
|
+- of LO, which is
|
|
|
+- actually part of the
|
|
|
+- instruction. */
|
|
|
+- if (r2_type != R_V850_LO16)
|
|
|
+- lo &= ~1;
|
|
|
+-
|
|
|
+- sym_addr =
|
|
|
+- (hi << 16)
|
|
|
+- + lo;
|
|
|
+- }
|
|
|
+- } else
|
|
|
+- goto bad_resolved_reloc;
|
|
|
+- break;
|
|
|
+-
|
|
|
+- case R_V850_LO16:
|
|
|
+- /* See if this is actually the
|
|
|
+- 2nd half of a pair. */
|
|
|
+- if (p > relpp
|
|
|
+- && (p[-1]->howto->type
|
|
|
+- == R_V850_HI16_S)
|
|
|
+- && (p[-1]->sym_ptr_ptr
|
|
|
+- == p[0]->sym_ptr_ptr)
|
|
|
+- && (p[-1]->addend == p[0]->addend))
|
|
|
+- break; /* not an error */
|
|
|
+- else
|
|
|
+- goto bad_resolved_reloc;
|
|
|
+-
|
|
|
+- case R_V850_HI16:
|
|
|
+- goto bad_resolved_reloc;
|
|
|
+- default:
|
|
|
+- goto good_32bit_resolved_reloc;
|
|
|
+-#elif defined(TARGET_microblaze)
|
|
|
+- case R_MICROBLAZE_64:
|
|
|
+- sym_addr =
|
|
|
+- (r_mem[2] << 24)
|
|
|
+- + (r_mem[3] << 16)
|
|
|
+- + (r_mem[6] << 8)
|
|
|
+- + r_mem[7];
|
|
|
+- relocation_needed = 1;
|
|
|
+- update_text = 0;
|
|
|
+- pflags = 0x80000000;
|
|
|
+- break;
|
|
|
+- case R_MICROBLAZE_GOTPC_64:
|
|
|
+- /* This is data-relative. We can't support this with bflt */
|
|
|
+- goto bad_resolved_reloc;
|
|
|
+- case R_MICROBLAZE_GOT_64:
|
|
|
+- /* This is a GOT relocation. But it is accessed via the GOT register (r20)
|
|
|
+- * so doesn't need relocation
|
|
|
+- */
|
|
|
+- relocation_needed = 0;
|
|
|
+- break;
|
|
|
+- case R_MICROBLAZE_32:
|
|
|
+- goto good_32bit_resolved_reloc;
|
|
|
+- /* These are already relocated for us as text-relative, or are dummy entries */
|
|
|
+- case R_MICROBLAZE_64_PCREL:
|
|
|
+- case R_MICROBLAZE_PLT_64:
|
|
|
+- case R_MICROBLAZE_NONE:
|
|
|
+- case R_MICROBLAZE_64_NONE:
|
|
|
+- case R_MICROBLAZE_32_PCREL_LO:
|
|
|
+- relocation_needed = 0;
|
|
|
+- continue;
|
|
|
+- default:
|
|
|
+- goto bad_resolved_reloc;
|
|
|
+-#elif defined(TARGET_arm)
|
|
|
+- case R_ARM_TARGET1:
|
|
|
+- case R_ARM_TARGET2:
|
|
|
+- case R_ARM_ABS32:
|
|
|
+- relocation_needed = 1;
|
|
|
+- break;
|
|
|
+- case R_ARM_REL32:
|
|
|
+- case R_ARM_JUMP24:
|
|
|
+- case R_ARM_CALL:
|
|
|
+- case R_ARM_THM_PC11:
|
|
|
+- case R_ARM_THM_PC22:
|
|
|
+- case R_ARM_THM_JUMP24:
|
|
|
+- case R_ARM_PC24:
|
|
|
+- case R_ARM_PLT32:
|
|
|
+- case R_ARM_GOTPC:
|
|
|
+- case R_ARM_GOT32:
|
|
|
+- case R_ARM_PREL31:
|
|
|
+- case R_ARM_V4BX:
|
|
|
+- case R_ARM_NONE:
|
|
|
+- relocation_needed = 0;
|
|
|
+- break;
|
|
|
+- default:
|
|
|
+- goto bad_resolved_reloc;
|
|
|
+-#elif defined(TARGET_m68k)
|
|
|
+- case R_68K_32:
|
|
|
+- goto good_32bit_resolved_reloc;
|
|
|
+- case R_68K_PC32:
|
|
|
+- case R_68K_PC16:
|
|
|
+- /* The linker has already resolved
|
|
|
+- PC relocs for us. In PIC links,
|
|
|
+- the symbol must be in the data
|
|
|
+- segment. */
|
|
|
+- case R_68K_NONE:
|
|
|
+- continue;
|
|
|
+- default:
|
|
|
+- goto bad_resolved_reloc;
|
|
|
+-#elif defined TARGET_bfin
|
|
|
+- case R_BFIN_RIMM16:
|
|
|
+- case R_BFIN_LUIMM16:
|
|
|
+- case R_BFIN_HUIMM16:
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+-
|
|
|
+- if (weak_und_symbol(sym_section->name, (*(q->sym_ptr_ptr))))
|
|
|
+- continue;
|
|
|
+- if (q->howto->type == R_BFIN_RIMM16 && (0xFFFF0000 & sym_addr)) {
|
|
|
+- fprintf (stderr, "Relocation overflow for rN = %s\n",sym_name);
|
|
|
+- bad_relocs++;
|
|
|
+- }
|
|
|
+- if ((0xFFFF0000 & sym_addr) != persistent_data) {
|
|
|
+- flat_relocs = (uint32_t *)
|
|
|
+- (realloc (flat_relocs, (flat_reloc_count + 1) * sizeof (uint32_t)));
|
|
|
+- if (verbose)
|
|
|
+- printf("New persistent data for %08"PRIx32"\n", sym_addr);
|
|
|
+- persistent_data = 0xFFFF0000 & sym_addr;
|
|
|
+- flat_relocs[flat_reloc_count++]
|
|
|
+- = (sym_addr >> 16) | (3 << 26);
|
|
|
+- }
|
|
|
+-
|
|
|
+- flat_relocs = (uint32_t *)
|
|
|
+- (realloc (flat_relocs, (flat_reloc_count + 1) * sizeof (uint32_t)));
|
|
|
+- if (bfin_set_reloc (flat_relocs + flat_reloc_count,
|
|
|
+- sym_section->name, sym_name,
|
|
|
+- (*(q->sym_ptr_ptr)),
|
|
|
+- q->howto->type == R_BFIN_HUIMM16 ? 1 : 0,
|
|
|
+- section_vma + q->address))
|
|
|
+- bad_relocs++;
|
|
|
+- if (a->flags & SEC_CODE)
|
|
|
+- text_has_relocs = 1;
|
|
|
+- flat_reloc_count++;
|
|
|
+- break;
|
|
|
+-
|
|
|
+- case R_BFIN_BYTE4_DATA:
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+-
|
|
|
+- if (weak_und_symbol (sym_section->name, (*(q->sym_ptr_ptr))))
|
|
|
+- continue;
|
|
|
+-
|
|
|
+- flat_relocs = (uint32_t *)
|
|
|
+- (realloc (flat_relocs, (flat_reloc_count + 1) * sizeof (uint32_t)));
|
|
|
+- if (bfin_set_reloc (flat_relocs + flat_reloc_count,
|
|
|
+- sym_section->name, sym_name,
|
|
|
+- (*(q->sym_ptr_ptr)),
|
|
|
+- 2, section_vma + q->address))
|
|
|
+- bad_relocs++;
|
|
|
+- if (a->flags & SEC_CODE)
|
|
|
+- text_has_relocs = 1;
|
|
|
+-
|
|
|
+- flat_reloc_count++;
|
|
|
+- break;
|
|
|
+-#elif defined (TARGET_h8300)
|
|
|
+- case R_H8_DIR32:
|
|
|
+- case R_H8_DIR32A16:
|
|
|
+- case R_H8_DISP32A16:
|
|
|
+- r_mem[0] = 0;
|
|
|
+- case R_H8_DIR24A8:
|
|
|
+- case R_H8_DIR24R8:
|
|
|
+- goto good_32bit_resolved_reloc;
|
|
|
+- case R_H8_PCREL8:
|
|
|
+- case R_H8_PCREL16:
|
|
|
+- continue;
|
|
|
+-#elif defined(TARGET_xtensa)
|
|
|
+- case R_XTENSA_NONE:
|
|
|
+- case R_XTENSA_OP0:
|
|
|
+- case R_XTENSA_OP1:
|
|
|
+- case R_XTENSA_OP2:
|
|
|
+- case R_XTENSA_SLOT0_OP:
|
|
|
+- case R_XTENSA_SLOT1_OP:
|
|
|
+- case R_XTENSA_SLOT2_OP:
|
|
|
+- case R_XTENSA_SLOT3_OP:
|
|
|
+- case R_XTENSA_SLOT4_OP:
|
|
|
+- case R_XTENSA_SLOT5_OP:
|
|
|
+- case R_XTENSA_SLOT6_OP:
|
|
|
+- case R_XTENSA_SLOT7_OP:
|
|
|
+- case R_XTENSA_SLOT8_OP:
|
|
|
+- case R_XTENSA_SLOT9_OP:
|
|
|
+- case R_XTENSA_SLOT10_OP:
|
|
|
+- case R_XTENSA_SLOT11_OP:
|
|
|
+- case R_XTENSA_SLOT12_OP:
|
|
|
+- case R_XTENSA_SLOT13_OP:
|
|
|
+- case R_XTENSA_SLOT14_OP:
|
|
|
+- case R_XTENSA_SLOT0_ALT:
|
|
|
+- case R_XTENSA_SLOT1_ALT:
|
|
|
+- case R_XTENSA_SLOT2_ALT:
|
|
|
+- case R_XTENSA_SLOT3_ALT:
|
|
|
+- case R_XTENSA_SLOT4_ALT:
|
|
|
+- case R_XTENSA_SLOT5_ALT:
|
|
|
+- case R_XTENSA_SLOT6_ALT:
|
|
|
+- case R_XTENSA_SLOT7_ALT:
|
|
|
+- case R_XTENSA_SLOT8_ALT:
|
|
|
+- case R_XTENSA_SLOT9_ALT:
|
|
|
+- case R_XTENSA_SLOT10_ALT:
|
|
|
+- case R_XTENSA_SLOT11_ALT:
|
|
|
+- case R_XTENSA_SLOT12_ALT:
|
|
|
+- case R_XTENSA_SLOT13_ALT:
|
|
|
+- case R_XTENSA_SLOT14_ALT:
|
|
|
+- case R_XTENSA_ASM_EXPAND:
|
|
|
+- case R_XTENSA_ASM_SIMPLIFY:
|
|
|
+- case R_XTENSA_DIFF8:
|
|
|
+- case R_XTENSA_DIFF16:
|
|
|
+- case R_XTENSA_DIFF32:
|
|
|
+-#if HAVE_BFD_XTENSA_PDIFF_RELOCS
|
|
|
+- case R_XTENSA_PDIFF8:
|
|
|
+- case R_XTENSA_PDIFF16:
|
|
|
+- case R_XTENSA_PDIFF32:
|
|
|
+- case R_XTENSA_NDIFF8:
|
|
|
+- case R_XTENSA_NDIFF16:
|
|
|
+- case R_XTENSA_NDIFF32:
|
|
|
+-#endif
|
|
|
+- case R_XTENSA_32_PCREL:
|
|
|
+- continue;
|
|
|
+- case R_XTENSA_32:
|
|
|
+- case R_XTENSA_PLT:
|
|
|
+- if (bfd_big_endian (abs_bfd))
|
|
|
+- sym_addr =
|
|
|
+- (r_mem[0] << 24)
|
|
|
+- + (r_mem[1] << 16)
|
|
|
+- + (r_mem[2] << 8)
|
|
|
+- + r_mem[3];
|
|
|
+- else
|
|
|
+- sym_addr =
|
|
|
+- r_mem[0]
|
|
|
+- + (r_mem[1] << 8)
|
|
|
+- + (r_mem[2] << 16)
|
|
|
+- + (r_mem[3] << 24);
|
|
|
+- relocation_needed = 1;
|
|
|
+- break;
|
|
|
+- default:
|
|
|
+- goto bad_resolved_reloc;
|
|
|
+-#elif defined(TARGET_riscv64)
|
|
|
+- case R_RISCV_32_PCREL:
|
|
|
+- case R_RISCV_ADD32:
|
|
|
+- case R_RISCV_ADD64:
|
|
|
+- case R_RISCV_SUB32:
|
|
|
+- case R_RISCV_SUB64:
|
|
|
+- continue;
|
|
|
+- case R_RISCV_32:
|
|
|
+- case R_RISCV_64:
|
|
|
+- goto good_32bit_resolved_reloc;
|
|
|
+- default:
|
|
|
+- goto bad_resolved_reloc;
|
|
|
+-#else
|
|
|
+- default:
|
|
|
+- /* The default is to assume that the
|
|
|
+- relocation is relative and has
|
|
|
+- already been fixed up by the
|
|
|
+- linker (perhaps we ought to make
|
|
|
+- give an error by default, and
|
|
|
+- require `safe' relocations to be
|
|
|
+- enumberated explicitly?). */
|
|
|
+- goto good_32bit_resolved_reloc;
|
|
|
+-#endif
|
|
|
+- good_32bit_resolved_reloc:
|
|
|
+- if (bfd_big_endian (abs_bfd))
|
|
|
+- sym_addr =
|
|
|
+- (r_mem[0] << 24)
|
|
|
+- + (r_mem[1] << 16)
|
|
|
+- + (r_mem[2] << 8)
|
|
|
+- + r_mem[3];
|
|
|
+- else
|
|
|
+- sym_addr =
|
|
|
+- r_mem[0]
|
|
|
+- + (r_mem[1] << 8)
|
|
|
+- + (r_mem[2] << 16)
|
|
|
+- + (r_mem[3] << 24);
|
|
|
+- relocation_needed = 1;
|
|
|
+- update_text = 0;
|
|
|
+- break;
|
|
|
+-
|
|
|
+- bad_resolved_reloc:
|
|
|
+- printf("ERROR: reloc type %s unsupported in this context\n",
|
|
|
+- q->howto->name);
|
|
|
+- bad_relocs++;
|
|
|
+- break;
|
|
|
+- }
|
|
|
+- } else {
|
|
|
+- /* Calculate the sym address ourselves. */
|
|
|
+-#if defined(TARGET_xtensa)
|
|
|
+- /* For xtensa, calculation of addresses won't
|
|
|
+- work this way. binutils "ld -r" generate
|
|
|
+- different relocation types, among others
|
|
|
+- type 20, R_XTENSA_SLOT0_OP. The latter is
|
|
|
+- produced for various opcodes that differ
|
|
|
+- in size and format, some will have the
|
|
|
+- addend filled in when linking, others won't.
|
|
|
+- For elf2flt to handle these relocations
|
|
|
+- would involve analysing the opcodes in
|
|
|
+- detail. Therefore, elf2flt for xtensa is
|
|
|
+- patched to work with "-a" option solely,
|
|
|
+- which will take output of "ld -q".
|
|
|
+- */
|
|
|
+- fatal("ERROR: cannot run without '-a'");
|
|
|
+-#endif
|
|
|
+- sym_reloc_size = bfd_get_reloc_size(q->howto);
|
|
|
+-
|
|
|
+- if (sym_reloc_size == 0) {
|
|
|
+- /* These are dummy relocs that can be ignored */
|
|
|
+- continue;
|
|
|
+- }
|
|
|
+-
|
|
|
+-#if !defined(TARGET_h8300) && !defined(TARGET_e1) && !defined(TARGET_bfin) && !defined(TARGET_m68k)
|
|
|
+- if (sym_reloc_size != 4) {
|
|
|
+- printf("ERROR: bad reloc type %d size=%d for symbol=%s\n",
|
|
|
+- (*p)->howto->type, sym_reloc_size, sym_name);
|
|
|
+- bad_relocs++;
|
|
|
+- rc = -1;
|
|
|
+- continue;
|
|
|
+- }
|
|
|
+-#endif
|
|
|
+-
|
|
|
+- switch ((*p)->howto->type) {
|
|
|
+-
|
|
|
+-#if defined(TARGET_m68k)
|
|
|
+- case R_68K_32:
|
|
|
+- relocation_needed = 1;
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- break;
|
|
|
+- case R_68K_PC16:
|
|
|
+- case R_68K_PC32:
|
|
|
+- sym_vma = 0;
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- sym_addr -= q->address;
|
|
|
+- break;
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-#if defined(TARGET_arm)
|
|
|
+- case R_ARM_ABS32:
|
|
|
+- relocation_needed = 1;
|
|
|
+- if (verbose)
|
|
|
+- fprintf(stderr,
|
|
|
+- "%s vma=0x%x, "
|
|
|
+- "value=0x%"BFD_VMA_FMT"x, "
|
|
|
+- "address=0x%"BFD_VMA_FMT"x "
|
|
|
+- "sym_addr=0x%x rs=0x%x, opcode=0x%x\n",
|
|
|
+- "ABS32",
|
|
|
+- sym_vma, (*(q->sym_ptr_ptr))->value,
|
|
|
+- q->address, sym_addr,
|
|
|
+- (*p)->howto->rightshift,
|
|
|
+- *(uint32_t *)r_mem);
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- break;
|
|
|
+- case R_ARM_GOT32:
|
|
|
+- case R_ARM_GOTPC:
|
|
|
+- /* Should be fine as is */
|
|
|
+- break;
|
|
|
+- case R_ARM_PLT32:
|
|
|
+- if (verbose)
|
|
|
+- fprintf(stderr,
|
|
|
+- "%s vma=0x%x, "
|
|
|
+- "value=0x%"BFD_VMA_FMT"x, "
|
|
|
+- "address=0x%"BFD_VMA_FMT"x "
|
|
|
+- "sym_addr=0x%x rs=0x%x, opcode=0x%x\n",
|
|
|
+- "PLT32",
|
|
|
+- sym_vma, (*(q->sym_ptr_ptr))->value,
|
|
|
+- q->address, sym_addr,
|
|
|
+- (*p)->howto->rightshift,
|
|
|
+- *(uint32_t *)r_mem);
|
|
|
+- case R_ARM_PC24:
|
|
|
+- sym_vma = 0;
|
|
|
+- sym_addr = (sym_addr-q->address)>>(*p)->howto->rightshift;
|
|
|
+- break;
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-#ifdef TARGET_v850
|
|
|
+- case R_V850_ABS32:
|
|
|
+- relocation_needed = 1;
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- break;
|
|
|
+- case R_V850_ZDA_16_16_OFFSET:
|
|
|
+- case R_V850_ZDA_16_16_SPLIT_OFFSET:
|
|
|
+- /* Can't support zero-relocations. */
|
|
|
+- printf ("ERROR: %s+0x%"BFD_VMA_FMT"x: zero relocations not supported\n",
|
|
|
+- sym_name, q->addend);
|
|
|
+- continue;
|
|
|
+-#endif /* TARGET_v850 */
|
|
|
+-
|
|
|
+-#ifdef TARGET_h8300
|
|
|
+- case R_H8_DIR24R8:
|
|
|
+- if (sym_reloc_size != 4) {
|
|
|
+- printf("R_H8_DIR24R8 size %d\n", sym_reloc_size);
|
|
|
+- bad_relocs++;
|
|
|
+- continue;
|
|
|
+- }
|
|
|
+- relocation_needed = 1;
|
|
|
+- sym_addr = (*(q->sym_ptr_ptr))->value;
|
|
|
+- q->address -= 1;
|
|
|
+- r_mem -= 1; /* tracks q->address */
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- sym_addr |= (*(unsigned char *)r_mem<<24);
|
|
|
+- break;
|
|
|
+- case R_H8_DIR24A8:
|
|
|
+- if (sym_reloc_size != 4) {
|
|
|
+- printf("R_H8_DIR24A8 size %d\n", sym_reloc_size);
|
|
|
+- bad_relocs++;
|
|
|
+- continue;
|
|
|
+- }
|
|
|
+- /* Absolute symbol done not relocation */
|
|
|
+- relocation_needed = !bfd_is_abs_section(sym_section);
|
|
|
+- sym_addr = (*(q->sym_ptr_ptr))->value;
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- break;
|
|
|
+- case R_H8_DIR32:
|
|
|
+- case R_H8_DIR32A16: /* currently 32, could be made 16 */
|
|
|
+- case R_H8_DISP32A16:
|
|
|
+- if (sym_reloc_size != 4) {
|
|
|
+- printf("R_H8_DIR32 size %d\n", sym_reloc_size);
|
|
|
+- bad_relocs++;
|
|
|
+- continue;
|
|
|
+- }
|
|
|
+- relocation_needed = 1;
|
|
|
+- sym_addr = (*(q->sym_ptr_ptr))->value;
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- break;
|
|
|
+- case R_H8_PCREL16:
|
|
|
+- relocation_needed = 0;
|
|
|
+- sym_vma = 0;
|
|
|
+- sym_addr = (*(q->sym_ptr_ptr))->value;
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- sym_addr -= (q->address + 2);
|
|
|
+- if (bfd_big_endian(abs_bfd))
|
|
|
+- *(unsigned short *)r_mem =
|
|
|
+- bfd_big_endian(abs_bfd) ? htons(sym_addr) : sym_addr;
|
|
|
+- continue;
|
|
|
+- case R_H8_PCREL8:
|
|
|
+- relocation_needed = 0;
|
|
|
+- sym_vma = 0;
|
|
|
+- sym_addr = (*(q->sym_ptr_ptr))->value;
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- sym_addr -= (q->address + 1);
|
|
|
+- *(unsigned char *)r_mem = sym_addr;
|
|
|
+- continue;
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-#ifdef TARGET_microblaze
|
|
|
+- case R_MICROBLAZE_64:
|
|
|
+- /* work out the relocation */
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- /* Write relocated pointer back */
|
|
|
+- r_mem[2] = (sym_addr >> 24) & 0xff;
|
|
|
+- r_mem[3] = (sym_addr >> 16) & 0xff;
|
|
|
+- r_mem[6] = (sym_addr >> 8) & 0xff;
|
|
|
+- r_mem[7] = sym_addr & 0xff;
|
|
|
+- relocation_needed = 1;
|
|
|
+- /* The symbol is split over two consecutive instructions.
|
|
|
+- Flag this to the flat loader by setting the high bit of
|
|
|
+- the relocation symbol. */
|
|
|
+- pflags = 0x80000000;
|
|
|
+- break;
|
|
|
+- case R_MICROBLAZE_32:
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- relocation_needed = 1;
|
|
|
+- break;
|
|
|
+- case R_MICROBLAZE_64_PCREL:
|
|
|
+- sym_vma = 0;
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- sym_addr -= (q->address + 4);
|
|
|
+- sym_addr = htonl(sym_addr);
|
|
|
+- /* insert 16 MSB */
|
|
|
+- * ((unsigned short *) (r_mem+2)) = (sym_addr) & 0xFFFF;
|
|
|
+- /* then 16 LSB */
|
|
|
+- * ((unsigned short *) (r_mem+6)) = (sym_addr >> 16) & 0xFFFF;
|
|
|
+- /* We've done all the work, so continue
|
|
|
+- to next reloc instead of break */
|
|
|
+- continue;
|
|
|
+- /* These are already relocated for us as text-relative, or are dummy entries */
|
|
|
+- case R_MICROBLAZE_PLT_64:
|
|
|
+- case R_MICROBLAZE_NONE:
|
|
|
+- case R_MICROBLAZE_64_NONE:
|
|
|
+- case R_MICROBLAZE_32_PCREL_LO:
|
|
|
+- relocation_needed = 0;
|
|
|
+- continue;
|
|
|
+-
|
|
|
+-#endif /* TARGET_microblaze */
|
|
|
+-
|
|
|
+-#ifdef TARGET_nios2
|
|
|
+-#define htoniosl(x) (x)
|
|
|
+-#define niostohl(x) (x)
|
|
|
+- case R_NIOS2_BFD_RELOC_32:
|
|
|
+- relocation_needed = 1;
|
|
|
+- pflags = (FLAT_NIOS2_R_32 << 28);
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- /* modify target, in target order */
|
|
|
+- *(unsigned long *)r_mem = htoniosl(sym_addr);
|
|
|
+- break;
|
|
|
+- case R_NIOS2_CALL26:
|
|
|
+- {
|
|
|
+- unsigned long exist_val;
|
|
|
+- relocation_needed = 1;
|
|
|
+- pflags = (FLAT_NIOS2_R_CALL26 << 28);
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+-
|
|
|
+- /* modify target, in target order */
|
|
|
+- // exist_val = niostohl(*(unsigned long *)r_mem);
|
|
|
+- exist_val = ((sym_addr >> 2) << 6);
|
|
|
+- *(unsigned long *)r_mem = htoniosl(exist_val);
|
|
|
+- break;
|
|
|
+- }
|
|
|
+- case R_NIOS2_HIADJ16:
|
|
|
+- case R_NIOS2_HI16:
|
|
|
+- {
|
|
|
+- unsigned long exist_val;
|
|
|
+- int r2_type;
|
|
|
+- /* handle the adjacent HI/LO pairs */
|
|
|
+- if (relcount == 0)
|
|
|
+- r2_type = R_NIOS2_NONE;
|
|
|
+- else
|
|
|
+- r2_type = p[1]->howto->type;
|
|
|
+- if ((r2_type == R_NIOS2_LO16)
|
|
|
+- && (p[0]->sym_ptr_ptr == p[1]->sym_ptr_ptr)
|
|
|
+- && (p[0]->addend == p[1]->addend))
|
|
|
+- {
|
|
|
+- unsigned char * r2_mem = sectionp + p[1]->address;
|
|
|
+- if (p[1]->address - q->address!=4)
|
|
|
+- printf("Err: HI/LO not adjacent %ld\n", p[1]->address - q->address);
|
|
|
+- relocation_needed = 1;
|
|
|
+- pflags = (q->howto->type == R_NIOS2_HIADJ16)
|
|
|
+- ? FLAT_NIOS2_R_HIADJ_LO : FLAT_NIOS2_R_HI_LO;
|
|
|
+- pflags <<= 28;
|
|
|
+-
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+-
|
|
|
+- /* modify high 16 bits, in target order */
|
|
|
+- exist_val = niostohl(*(unsigned long *)r_mem);
|
|
|
+- exist_val = ((exist_val >> 22) << 22) | (exist_val & 0x3f);
|
|
|
+- if (q->howto->type == R_NIOS2_HIADJ16)
|
|
|
+- exist_val |= ((((sym_addr >> 16) + ((sym_addr >> 15) & 1)) & 0xFFFF) << 6);
|
|
|
+- else
|
|
|
+- exist_val |= (((sym_addr >> 16) & 0xFFFF) << 6);
|
|
|
+- *(unsigned long *)r_mem = htoniosl(exist_val);
|
|
|
+-
|
|
|
+- /* modify low 16 bits, in target order */
|
|
|
+- exist_val = niostohl(*(unsigned long *)r2_mem);
|
|
|
+- exist_val = ((exist_val >> 22) << 22) | (exist_val & 0x3f);
|
|
|
+- exist_val |= ((sym_addr & 0xFFFF) << 6);
|
|
|
+- *(unsigned long *)r2_mem = htoniosl(exist_val);
|
|
|
+-
|
|
|
+- } else
|
|
|
+- goto NIOS2_RELOC_ERR;
|
|
|
+- }
|
|
|
+- break;
|
|
|
+-
|
|
|
+- case R_NIOS2_GPREL:
|
|
|
+- {
|
|
|
+- unsigned long exist_val, temp;
|
|
|
+- //long gp = get_symbol_offset("_gp", sym_section, symbols, number_of_symbols);
|
|
|
+- long gp = get_gp_value(symbols, number_of_symbols);
|
|
|
+- if (gp == -1) {
|
|
|
+- printf("Err: unresolved symbol _gp when relocating %s\n", sym_name);
|
|
|
+- goto NIOS2_RELOC_ERR;
|
|
|
+- }
|
|
|
+- /* _gp holds a absolute value, otherwise the ld cannot generate correct code */
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- //printf("sym=%x, %d, _gp=%x, %d\n", sym_addr+sym_vma, sym_addr+sym_vma, gp, gp);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- sym_addr -= gp;
|
|
|
+- //printf("sym - _gp=%x, %d\n", sym_addr, sym_addr);
|
|
|
+- /* modify the target, in target order (little_endian) */
|
|
|
+- exist_val = niostohl(*(unsigned long *)r_mem);
|
|
|
+- temp = ((exist_val >> 6) & 0x3ff0000) | (sym_addr & 0xffff);
|
|
|
+- temp <<= 6;
|
|
|
+- temp |= (exist_val & 0x3f);
|
|
|
+- *(unsigned long *)r_mem = htoniosl(temp);
|
|
|
+- if (verbose)
|
|
|
+- printf("omit: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
|
|
|
+- "section=%s size=%d "
|
|
|
+- "fixup=0x%x (reloc=0x%"BFD_VMA_FMT"x) GPREL\n",
|
|
|
+- q->address, sym_name, addstr,
|
|
|
+- section_name, sym_reloc_size,
|
|
|
+- sym_addr, section_vma + q->address);
|
|
|
+- continue;
|
|
|
+- }
|
|
|
+- case R_NIOS2_PCREL16:
|
|
|
+- {
|
|
|
+- unsigned long exist_val;
|
|
|
+- sym_vma = 0;
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- sym_addr -= (q->address + 4);
|
|
|
+- /* modify the target, in target order (little_endian) */
|
|
|
+- exist_val = niostohl(*(unsigned long *)r_mem);
|
|
|
+- exist_val = ((exist_val >> 22) << 22) | (exist_val & 0x3f);
|
|
|
+- exist_val |= ((sym_addr & 0xFFFF) << 6);
|
|
|
+- *(unsigned long *)r_mem = htoniosl(exist_val);
|
|
|
+- if (verbose)
|
|
|
+- printf("omit: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
|
|
|
+- "section=%s size=%d "
|
|
|
+- "fixup=0x%x (reloc=0x%"BFD_VMA_FMT"x) PCREL\n",
|
|
|
+- q->address, sym_name, addstr,
|
|
|
+- section_name, sym_reloc_size,
|
|
|
+- sym_addr, section_vma + q->address);
|
|
|
+- continue;
|
|
|
+- }
|
|
|
+-
|
|
|
+- case R_NIOS2_LO16:
|
|
|
+- /* check if this is actually the 2nd half of a pair */
|
|
|
+- if ((p > relpp)
|
|
|
+- && ((p[-1]->howto->type == R_NIOS2_HIADJ16)
|
|
|
+- || (p[-1]->howto->type == R_NIOS2_HI16))
|
|
|
+- && (p[-1]->sym_ptr_ptr == p[0]->sym_ptr_ptr)
|
|
|
+- && (p[-1]->addend == p[0]->addend)) {
|
|
|
+- if (verbose)
|
|
|
+- printf("omit: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
|
|
|
+- "section=%s size=%d LO16\n",
|
|
|
+- q->address, sym_name, addstr,
|
|
|
+- section_name, sym_reloc_size);
|
|
|
+- continue;
|
|
|
+- }
|
|
|
+-
|
|
|
+- /* error, fall through */
|
|
|
+-
|
|
|
+- case R_NIOS2_S16:
|
|
|
+- case R_NIOS2_U16:
|
|
|
+- case R_NIOS2_CACHE_OPX:
|
|
|
+- case R_NIOS2_IMM5:
|
|
|
+- case R_NIOS2_IMM6:
|
|
|
+- case R_NIOS2_IMM8:
|
|
|
+- case R_NIOS2_BFD_RELOC_16:
|
|
|
+- case R_NIOS2_BFD_RELOC_8:
|
|
|
+- case R_NIOS2_GNU_VTINHERIT:
|
|
|
+- case R_NIOS2_GNU_VTENTRY:
|
|
|
+- case R_NIOS2_UJMP:
|
|
|
+- case R_NIOS2_CJMP:
|
|
|
+- case R_NIOS2_CALLR:
|
|
|
+-NIOS2_RELOC_ERR:
|
|
|
+- printf("Err: unexpected reloc type %s(%d)\n", q->howto->name, q->howto->type);
|
|
|
+- bad_relocs++;
|
|
|
+- continue;
|
|
|
+-#endif /* TARGET_nios2 */
|
|
|
+-
|
|
|
+-#ifdef TARGET_sparc
|
|
|
+- case R_SPARC_32:
|
|
|
+- case R_SPARC_UA32:
|
|
|
+- relocation_needed = 1;
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- break;
|
|
|
+- case R_SPARC_PC22:
|
|
|
+- sym_vma = 0;
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- sym_addr -= q->address;
|
|
|
+- break;
|
|
|
+- case R_SPARC_WDISP30:
|
|
|
+- sym_addr = (((*(q->sym_ptr_ptr))->value-
|
|
|
+- q->address) >> 2) & 0x3fffffff;
|
|
|
+- sym_addr |= (
|
|
|
+- ntohl(*(uint32_t *)r_mem)
|
|
|
+- & 0xc0000000
|
|
|
+- );
|
|
|
+- break;
|
|
|
+- case R_SPARC_HI22:
|
|
|
+- relocation_needed = 1;
|
|
|
+- pflags = 0x80000000;
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- sym_addr |= (
|
|
|
+- htonl(*(uint32_t *)r_mem)
|
|
|
+- & 0xffc00000
|
|
|
+- );
|
|
|
+- break;
|
|
|
+- case R_SPARC_LO10:
|
|
|
+- relocation_needed = 1;
|
|
|
+- pflags = 0x40000000;
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- sym_addr &= 0x000003ff;
|
|
|
+- sym_addr |= (
|
|
|
+- htonl(*(uint32_t *)r_mem)
|
|
|
+- & 0xfffffc00
|
|
|
+- );
|
|
|
+- break;
|
|
|
+-#endif /* TARGET_sparc */
|
|
|
+-
|
|
|
+-
|
|
|
+-#ifdef TARGET_sh
|
|
|
+- case R_SH_DIR32:
|
|
|
+- relocation_needed = 1;
|
|
|
+- sym_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- break;
|
|
|
+- case R_SH_REL32:
|
|
|
+- sym_vma = 0;
|
|
|
+- sym_addr += sym_vma + q->addend;
|
|
|
+- sym_addr -= q->address;
|
|
|
+- break;
|
|
|
+-#endif /* TARGET_sh */
|
|
|
+-
|
|
|
+-#ifdef TARGET_e1
|
|
|
+-#define htoe1l(x) htonl(x)
|
|
|
+-
|
|
|
+-#if 0
|
|
|
+-#define DEBUG_E1
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-#ifdef DEBUG_E1
|
|
|
+-#define DBG_E1 printf
|
|
|
+-#else
|
|
|
+-#define DBG_E1(x, ... )
|
|
|
+-#endif
|
|
|
+-
|
|
|
+-#define _32BITS_RELOC 0x00000000
|
|
|
+-#define _30BITS_RELOC 0x80000000
|
|
|
+-#define _28BITS_RELOC 0x40000000
|
|
|
+- {
|
|
|
+- char *p;
|
|
|
+- unsigned long sec_vma, exist_val, S;
|
|
|
+- case R_E1_CONST31:
|
|
|
+- relocation_needed = 1;
|
|
|
+- DBG_E1("Handling Reloc <CONST31>\n");
|
|
|
+- sec_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x], q->address : [0x%x]\n",
|
|
|
+- sec_vma, sym_addr, q->address);
|
|
|
+- sym_addr = sec_vma + sym_addr;
|
|
|
+- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address + 2);
|
|
|
+- DBG_E1("Orig:exist_val : [0x%08x]\n", exist_val);
|
|
|
+- exist_val = htoe1l(exist_val);
|
|
|
+- DBG_E1("HtoBE:exist_val : [0x%08x]\n", exist_val);
|
|
|
+- sym_addr += exist_val;
|
|
|
+- pflags = _30BITS_RELOC;
|
|
|
+- break;
|
|
|
+- case R_E1_CONST31_PCREL:
|
|
|
+- relocation_needed = 0;
|
|
|
+- DBG_E1("Handling Reloc <CONST31_PCREL>\n");
|
|
|
+- DBG_E1("DONT RELOCATE AT LOADING\n");
|
|
|
+- sec_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x], q->address : [0x%x]\n",
|
|
|
+- sec_vma, sym_addr, q->address);
|
|
|
+- sym_addr = sec_vma + sym_addr;
|
|
|
+- DBG_E1("sym_addr = sec_vma + sym_addr : [0x%x]\n", sym_addr );
|
|
|
+-
|
|
|
+- DBG_E1("q->address : 0x%x, section_vma : 0x%x\n", q->address,
|
|
|
+- section_vma );
|
|
|
+- q->address = q->address + section_vma;
|
|
|
+- DBG_E1("q->address += section_vma : 0x%x\n", q->address );
|
|
|
+-
|
|
|
+- if( (sym_addr = (sym_addr - q->address - 6)) < 0 )
|
|
|
+- DBG_E1("NEGATIVE OFFSET in PC Relative instruction\n");
|
|
|
+- DBG_E1( "sym_addr := sym_addr - q->address - "
|
|
|
+- "sizeof(CONST31_PCREL): [0x%x]\n",
|
|
|
+- sym_addr );
|
|
|
+- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address + 2);
|
|
|
+- DBG_E1("Orig:exist_val : [0x%08x]\n", exist_val);
|
|
|
+- exist_val = htoe1l(exist_val);
|
|
|
+- DBG_E1("HtoBE:exist_val : [0x%08x]\n", exist_val);
|
|
|
+- sym_addr |= exist_val;
|
|
|
+- DBG_E1("sym_addr |= exist_val) : [0x%x]\n", sym_addr );
|
|
|
+- break;
|
|
|
+- case R_E1_DIS29W_PCREL:
|
|
|
+- relocation_needed = 0;
|
|
|
+- DBG_E1("Handling Reloc <DIS29W_PCREL>\n");
|
|
|
+- DBG_E1("DONT RELOCATE AT LOADING\n");
|
|
|
+- sec_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x], q->address : [0x%x]\n",
|
|
|
+- sec_vma, sym_addr, q->address);
|
|
|
+- sym_addr = sec_vma + sym_addr;
|
|
|
+- DBG_E1("sym_addr = sec_vma + sym_addr : [0x%x]\n", sym_addr );
|
|
|
+-
|
|
|
+- DBG_E1("q->address : 0x%x, section_vma : 0x%x\n", q->address,
|
|
|
+- section_vma );
|
|
|
+- q->address = q->address + section_vma;
|
|
|
+- DBG_E1("q->address += section_vma : 0x%x\n", q->address );
|
|
|
+-
|
|
|
+- if( (sym_addr = (sym_addr - q->address - 6)) < 0 )
|
|
|
+- DBG_E1("NEGATIVE OFFSET in PC Relative instruction\n");
|
|
|
+- DBG_E1( "sym_addr := sym_addr - q->address - "
|
|
|
+- "sizeof(CONST31_PCREL): [0x%x]\n",
|
|
|
+- sym_addr );
|
|
|
+- DBG_E1("sectionp:[0x%x], q->address:[0x%x]\n", sectionp, q->address );
|
|
|
+- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address + 2);
|
|
|
+- DBG_E1("Original:exist_val : [0x%08x]\n",exist_val);
|
|
|
+- exist_val = htoe1l(exist_val);
|
|
|
+- DBG_E1("HtoBE:exist_val : [0x%08x]\n",exist_val);
|
|
|
+- sym_addr += exist_val;
|
|
|
+- break;
|
|
|
+- case R_E1_DIS29W:
|
|
|
+- DBG_E1("Handling Reloc <DIS29W>\n");
|
|
|
+- goto DIS29_RELOCATION;
|
|
|
+- case R_E1_DIS29H:
|
|
|
+- DBG_E1("Handling Reloc <DIS29H>\n");
|
|
|
+- goto DIS29_RELOCATION;
|
|
|
+- case R_E1_DIS29B:
|
|
|
+- DBG_E1("Handling Reloc <DIS29B>\n");
|
|
|
+-DIS29_RELOCATION:
|
|
|
+- relocation_needed = 1;
|
|
|
+- sec_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%08x]\n",
|
|
|
+- sec_vma, sym_addr);
|
|
|
+- sym_addr = sec_vma + sym_addr;
|
|
|
+- DBG_E1("sym_addr = sec_vma + sym_addr : [0x%08x]\n", sym_addr);
|
|
|
+- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address + 2);
|
|
|
+- DBG_E1("Orig:exist_val : [0x%08x]\n", exist_val);
|
|
|
+- exist_val = htoe1l(exist_val);
|
|
|
+- DBG_E1("HtoBE:exist_val : [0x%08x]\n", exist_val);
|
|
|
+- sym_addr += exist_val;
|
|
|
+- DBG_E1("sym_addr += exist_val : [0x%08x]\n", sym_addr);
|
|
|
+- pflags = _28BITS_RELOC;
|
|
|
+- break;
|
|
|
+- case R_E1_IMM32_PCREL:
|
|
|
+- relocation_needed = 0;
|
|
|
+- DBG_E1("Handling Reloc <IMM32_PCREL>\n");
|
|
|
+- DBG_E1("DONT RELOCATE AT LOADING\n");
|
|
|
+- sec_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x]\n",
|
|
|
+- sec_vma, sym_addr);
|
|
|
+- sym_addr = sec_vma + sym_addr;
|
|
|
+-
|
|
|
+- DBG_E1("sym_addr = sec_vma + sym_addr : [0x%x]\n", sym_addr );
|
|
|
+- DBG_E1("q->address : 0x%x, section_vma : 0x%x\n", q->address,
|
|
|
+- section_vma );
|
|
|
+- q->address = q->address + section_vma;
|
|
|
+- DBG_E1("q->address += section_vma : 0x%x\n", q->address );
|
|
|
+-
|
|
|
+- if( (sym_addr = (sym_addr - q->address - 6 )) < 0 )
|
|
|
+- DBG_E1("NEGATIVE OFFSET in PC Relative instruction\n");
|
|
|
+- DBG_E1( "sym_addr := sym_addr - q->address - "
|
|
|
+- "sizeof(CONST31_PCREL): [0x%x]\n",
|
|
|
+- sym_addr );
|
|
|
+- DBG_E1("sectionp:[0x%x], q->address:[0x%x]\n", sectionp, q->address );
|
|
|
+- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address + 2);
|
|
|
+- DBG_E1("Original:exist_val : [0x%08x]\n",exist_val);
|
|
|
+- exist_val = htoe1l(exist_val);
|
|
|
+- DBG_E1("HtoBE:exist_val : [0x%08x]\n",exist_val);
|
|
|
+- sym_addr += exist_val;
|
|
|
+- break;
|
|
|
+- case R_E1_IMM32:
|
|
|
+- relocation_needed = 1;
|
|
|
+- DBG_E1("Handling Reloc <IMM32>\n");
|
|
|
+- sec_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x]\n",
|
|
|
+- sec_vma, sym_addr);
|
|
|
+- sym_addr = sec_vma + sym_addr;
|
|
|
+- DBG_E1("sym_addr = sec_vma + sym_addr : [0x%x]\n", sym_addr );
|
|
|
+- DBG_E1("sectionp:[0x%x], q->address:[0x%x]\n", sectionp, q->address );
|
|
|
+- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address + 2);
|
|
|
+- DBG_E1("Original:exist_val : [0x%08x]\n",exist_val);
|
|
|
+- exist_val = htoe1l(exist_val);
|
|
|
+- DBG_E1("HtoBE:exist_val : [0x%08x]\n",exist_val);
|
|
|
+- sym_addr += exist_val;
|
|
|
+- pflags = _32BITS_RELOC;
|
|
|
+- break;
|
|
|
+- case R_E1_WORD:
|
|
|
+- relocation_needed = 1;
|
|
|
+- DBG_E1("Handling Reloc <WORD>\n");
|
|
|
+- sec_vma = elf2flt_bfd_section_vma(sym_section);
|
|
|
+- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x]\n",
|
|
|
+- sec_vma, sym_addr);
|
|
|
+- sym_addr = sec_vma + sym_addr;
|
|
|
+- DBG_E1("sym_addr = sec_vma + sym_addr : [0x%x]\n", sym_addr );
|
|
|
+- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address );
|
|
|
+- DBG_E1("Orig:exist_val : [0x%08x]\n", exist_val);
|
|
|
+- exist_val = htoe1l(exist_val);
|
|
|
+- DBG_E1("HtoBE:exist_val : [0x%08x]\n", exist_val);
|
|
|
+- sym_addr += exist_val;
|
|
|
+- DBG_E1("sym_addr += exist_val : [0x%08x]\n", sym_addr);
|
|
|
+- pflags = _32BITS_RELOC;
|
|
|
+- break;
|
|
|
+- }
|
|
|
+-#undef _32BITS_RELOC
|
|
|
+-#undef _30BITS_RELOC
|
|
|
+-#undef _28BITS_RELOC
|
|
|
+-#endif
|
|
|
+- default:
|
|
|
+- /* missing support for other types of relocs */
|
|
|
+- printf("ERROR: bad reloc type (%s)%d\n", q->howto->name, (*p)->howto->type);
|
|
|
+- bad_relocs++;
|
|
|
+- continue;
|
|
|
+- }
|
|
|
+- }
|
|
|
+-
|
|
|
+- sprintf(&addstr[0], "+0x%lx", sym_addr - (*(q->sym_ptr_ptr))->value -
|
|
|
+- elf2flt_bfd_section_vma(sym_section));
|
|
|
+-
|
|
|
+-
|
|
|
+- /*
|
|
|
+- * for full elf relocation we have to write back the
|
|
|
+- * start_code relative value to use. Not needed with pic_with_got
|
|
|
+- * or if the fixup has already been done above (in which case update_text was set to 0)
|
|
|
+- */
|
|
|
+- if (update_text) {
|
|
|
+-#if defined(TARGET_arm)
|
|
|
+- union {
|
|
|
+- unsigned char c[4];
|
|
|
+- uint32_t l;
|
|
|
+- } tmp;
|
|
|
+- int32_t hl;
|
|
|
+- int i0, i1, i2, i3;
|
|
|
+-
|
|
|
+- /*
|
|
|
+- * horrible nasty hack to support different endianess
|
|
|
+- */
|
|
|
+- if (!bfd_big_endian(abs_bfd)) {
|
|
|
+- i0 = 0;
|
|
|
+- i1 = 1;
|
|
|
+- i2 = 2;
|
|
|
+- i3 = 3;
|
|
|
+- } else {
|
|
|
+- i0 = 3;
|
|
|
+- i1 = 2;
|
|
|
+- i2 = 1;
|
|
|
+- i3 = 0;
|
|
|
+- }
|
|
|
+-
|
|
|
+- tmp.l = *(uint32_t *)r_mem;
|
|
|
+- hl = tmp.c[i0] | (tmp.c[i1] << 8) | (tmp.c[i2] << 16);
|
|
|
+- if (use_resolved ||
|
|
|
+- (((*p)->howto->type != R_ARM_PC24) &&
|
|
|
+- ((*p)->howto->type != R_ARM_PLT32)))
|
|
|
+- hl |= (tmp.c[i3] << 24);
|
|
|
+- else if (tmp.c[i2] & 0x80)
|
|
|
+- hl |= 0xff000000; /* sign extend */
|
|
|
+- if (!use_resolved)
|
|
|
+- hl += sym_addr;
|
|
|
+- tmp.c[i0] = hl & 0xff;
|
|
|
+- tmp.c[i1] = (hl >> 8) & 0xff;
|
|
|
+- tmp.c[i2] = (hl >> 16) & 0xff;
|
|
|
+- if (use_resolved ||
|
|
|
+- (((*p)->howto->type != R_ARM_PC24) &&
|
|
|
+- ((*p)->howto->type != R_ARM_PLT32)))
|
|
|
+- tmp.c[i3] = (hl >> 24) & 0xff;
|
|
|
+- if (((*p)->howto->type == R_ARM_ABS32) ||
|
|
|
+- ((*p)->howto->type == R_ARM_TARGET1) ||
|
|
|
+- ((*p)->howto->type == R_ARM_TARGET2))
|
|
|
+- *(uint32_t *)r_mem = htonl(hl);
|
|
|
+- else
|
|
|
+- *(uint32_t *)r_mem = tmp.l;
|
|
|
+-#elif defined(TARGET_e1)
|
|
|
+-#define OPCODE_SIZE 2 /* Add 2 bytes, counting the opcode size*/
|
|
|
+- switch ((*p)->howto->type) {
|
|
|
+- case R_E1_CONST31:
|
|
|
+- case R_E1_CONST31_PCREL:
|
|
|
+- case R_E1_DIS29W_PCREL:
|
|
|
+- case R_E1_DIS29W:
|
|
|
+- case R_E1_DIS29H:
|
|
|
+- case R_E1_DIS29B:
|
|
|
+- case R_E1_IMM32_PCREL:
|
|
|
+- case R_E1_IMM32:
|
|
|
+- DBG_E1("In addr + 2:[0x%x] <- write [0x%x]\n",
|
|
|
+- (sectionp + q->address + 2), sym_addr );
|
|
|
+- *((unsigned long *) (sectionp + q->address + OPCODE_SIZE)) =
|
|
|
+- htonl(sym_addr);
|
|
|
+- break;
|
|
|
+- case R_E1_WORD:
|
|
|
+- DBG_E1("In addr : [0x%x] <- write [0x%x]\n",
|
|
|
+- (sectionp + q->address), sym_addr );
|
|
|
+- *((unsigned long *) (sectionp + q->address )) = htonl(sym_addr);
|
|
|
+- break;
|
|
|
+- default:
|
|
|
+- fatal("ERROR: Unhandled Relocation: 0x%x", (*p)->howto->type);
|
|
|
+- }
|
|
|
+-#elif defined TARGET_bfin
|
|
|
+- if ((*p)->howto->type == R_BFIN_RIMM16
|
|
|
+- || (*p)->howto->type == R_BFIN_HUIMM16
|
|
|
+- || (*p)->howto->type == R_BFIN_LUIMM16)
|
|
|
+- {
|
|
|
+- /* for l and h we set the lower 16 bits which is only when it will be used */
|
|
|
+- bfd_putl16 (sym_addr, sectionp + q->address);
|
|
|
+- } else if ((*p)->howto->type == R_BFIN_BYTE4_DATA) {
|
|
|
+- bfd_putl32 (sym_addr, sectionp + q->address);
|
|
|
+- }
|
|
|
+-#else /* ! TARGET_arm && ! TARGET_e1 && ! TARGET_bfin */
|
|
|
+-
|
|
|
+- switch (q->howto->type) {
|
|
|
+-#ifdef TARGET_v850
|
|
|
+- case R_V850_HI16_S:
|
|
|
+- case R_V850_HI16:
|
|
|
+- case R_V850_LO16:
|
|
|
+- /* Do nothing -- for cases we handle,
|
|
|
+- the bits produced by the linker are
|
|
|
+- what we want in the final flat file
|
|
|
+- (and other cases are errors). Note
|
|
|
+- that unlike most relocated values,
|
|
|
+- it is stored in little-endian order,
|
|
|
+- but this is necessary to avoid
|
|
|
+- trashing the low-bit, and the float
|
|
|
+- loaders knows about it. */
|
|
|
+- break;
|
|
|
+-#endif /* TARGET_V850 */
|
|
|
+-
|
|
|
+-#ifdef TARGET_nios2
|
|
|
+- case R_NIOS2_BFD_RELOC_32:
|
|
|
+- case R_NIOS2_CALL26:
|
|
|
+- case R_NIOS2_HIADJ16:
|
|
|
+- case R_NIOS2_HI16:
|
|
|
+- /* do nothing */
|
|
|
+- break;
|
|
|
+-#endif /* TARGET_nios2 */
|
|
|
+-
|
|
|
+-#if defined(TARGET_m68k)
|
|
|
+- case R_68K_PC16:
|
|
|
+- if (sym_addr < -0x8000 || sym_addr > 0x7fff) {
|
|
|
+- fprintf (stderr, "Relocation overflow for R_68K_PC16 relocation against %s\n", sym_name);
|
|
|
+- bad_relocs++;
|
|
|
+- } else {
|
|
|
+- r_mem[0] = (sym_addr >> 8) & 0xff;
|
|
|
+- r_mem[1] = sym_addr & 0xff;
|
|
|
+- }
|
|
|
+- break;
|
|
|
+-#endif
|
|
|
+-
|
|
|
+- default:
|
|
|
+- /* The alignment of the build host
|
|
|
+- might be stricter than that of the
|
|
|
+- target, so be careful. We store in
|
|
|
+- network byte order. */
|
|
|
+- r_mem[0] = (sym_addr >> 24) & 0xff;
|
|
|
+- r_mem[1] = (sym_addr >> 16) & 0xff;
|
|
|
+- r_mem[2] = (sym_addr >> 8) & 0xff;
|
|
|
+- r_mem[3] = sym_addr & 0xff;
|
|
|
+- }
|
|
|
+-#endif /* !TARGET_arm */
|
|
|
+- }
|
|
|
+-
|
|
|
+- /*
|
|
|
+- * Create relocation entry (PC relative doesn't need this).
|
|
|
+- */
|
|
|
+- if (relocation_needed) {
|
|
|
+- if (verbose)
|
|
|
+- printf(" RELOC[%d]: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
|
|
|
+- "section=%s size=%d "
|
|
|
+- "fixup=0x%x (reloc=0x%"BFD_VMA_FMT"x)\n",
|
|
|
+- flat_reloc_count,
|
|
|
+- q->address, sym_name, addstr,
|
|
|
+- section_name, sym_reloc_size,
|
|
|
+- sym_addr, section_vma + q->address);
|
|
|
+-
|
|
|
+-#ifndef TARGET_bfin
|
|
|
+- flat_relocs = realloc(flat_relocs,
|
|
|
+- (flat_reloc_count + 1) * sizeof(uint32_t));
|
|
|
+-#ifndef TARGET_e1
|
|
|
+- flat_relocs[flat_reloc_count] = pflags |
|
|
|
+- (section_vma + q->address);
|
|
|
+-
|
|
|
+-#else
|
|
|
+- switch ((*p)->howto->type) {
|
|
|
+- case R_E1_CONST31:
|
|
|
+- case R_E1_CONST31_PCREL:
|
|
|
+- case R_E1_DIS29W_PCREL:
|
|
|
+- case R_E1_DIS29W:
|
|
|
+- case R_E1_DIS29H:
|
|
|
+- case R_E1_DIS29B:
|
|
|
+- case R_E1_IMM32_PCREL:
|
|
|
+- case R_E1_IMM32:
|
|
|
+- flat_relocs[flat_reloc_count] = pflags |
|
|
|
+- (section_vma + q->address + OPCODE_SIZE);
|
|
|
+- if (verbose)
|
|
|
+- printf("RELOCATION TABLE : reloc[%d] = [0x%x]\n", flat_reloc_count,
|
|
|
+- flat_relocs[flat_reloc_count] );
|
|
|
+- break;
|
|
|
+- case R_E1_WORD:
|
|
|
+- flat_relocs[flat_reloc_count] = pflags |
|
|
|
+- (section_vma + q->address);
|
|
|
+- if (verbose)
|
|
|
+- printf("RELOCATION TABLE : reloc[%d] = [0x%x]\n", flat_reloc_count,
|
|
|
+- flat_relocs[flat_reloc_count] );
|
|
|
+- break;
|
|
|
+- }
|
|
|
+-#endif
|
|
|
+- flat_reloc_count++;
|
|
|
+-#endif //TARGET_bfin
|
|
|
+- relocation_needed = 0;
|
|
|
+- pflags = 0;
|
|
|
+- }
|
|
|
+-
|
|
|
+-#if 0
|
|
|
+-printf("%s(%d): symbol name=%s address=0x%x section=%s -> RELOC=0x%x\n",
|
|
|
+- __FILE__, __LINE__, sym_name, q->address, section_name,
|
|
|
+- flat_relocs[flat_reloc_count]);
|
|
|
+-#endif
|
|
|
+- }
|
|
|
+- }
|
|
|
+- }
|
|
|
+-
|
|
|
+- if (bad_relocs)
|
|
|
+- fatal("%d bad relocs", bad_relocs);
|
|
|
+-
|
|
|
+- if (rc < 0)
|
|
|
+- return(0);
|
|
|
+-
|
|
|
+- *n_relocs = flat_reloc_count;
|
|
|
+- return flat_relocs;
|
|
|
+-}
|
|
|
+-
|
|
|
+-
|
|
|
+-
|
|
|
+-static void usage(int status)
|
|
|
+-{
|
|
|
+- fprintf(status ? stderr : stdout,
|
|
|
+- "Usage: %s [vrzd] [-p <abs-pic-file>] [-s stack-size] "
|
|
|
+- "[-o <output-file>] <elf-file>\n\n"
|
|
|
+- " -v : verbose operation\n"
|
|
|
+- " -r : force load to RAM\n"
|
|
|
+- " -k : enable kernel trace on load (for debug)\n"
|
|
|
+- " -z : compress code/data/relocs\n"
|
|
|
+- " -d : compress data/relocs\n"
|
|
|
+- " -a : use existing symbol references\n"
|
|
|
+- " instead of recalculating from\n"
|
|
|
+- " relocation info\n"
|
|
|
+- " -R reloc-file : read relocations from a separate file\n"
|
|
|
+- " -p abs-pic-file : GOT/PIC processing with files\n"
|
|
|
+- " -s stacksize : set application stack size\n"
|
|
|
+- " -o output-file : output file name\n\n"
|
|
|
+- "Compiled for " ARCH " architecture\n\n",
|
|
|
+- elf2flt_progname);
|
|
|
+- exit(status);
|
|
|
+-}
|
|
|
+-
|
|
|
+-
|
|
|
+-/* Write NUM zeroes to STREAM. */
|
|
|
+-static void write_zeroes (unsigned long num, stream *stream)
|
|
|
+-{
|
|
|
+- char zeroes[1024];
|
|
|
+- if (num > 0) {
|
|
|
+- /* It'd be nice if we could just use fseek, but that doesn't seem to
|
|
|
+- work for stdio output files. */
|
|
|
+- memset(zeroes, 0x00, 1024);
|
|
|
+- while (num > sizeof(zeroes)) {
|
|
|
+- fwrite_stream(zeroes, sizeof(zeroes), 1, stream);
|
|
|
+- num -= sizeof(zeroes);
|
|
|
+- }
|
|
|
+- if (num > 0)
|
|
|
+- fwrite_stream(zeroes, num, 1, stream);
|
|
|
+- }
|
|
|
+-}
|
|
|
+-
|
|
|
+-
|
|
|
+-static time_t get_build_date(void)
|
|
|
+-{
|
|
|
+- const char *sde;
|
|
|
+- unsigned long long epoch;
|
|
|
+- char *endptr;
|
|
|
+-
|
|
|
+- sde = getenv("SOURCE_DATE_EPOCH");
|
|
|
+- if (!sde)
|
|
|
+- return time(NULL);
|
|
|
+-
|
|
|
+- /* Largely inspired from
|
|
|
+- https://reproducible-builds.org/docs/source-date-epoch/ */
|
|
|
+- errno = 0;
|
|
|
+- epoch = strtoull(sde, &endptr, 10);
|
|
|
+- if ((errno == ERANGE && (epoch == ULLONG_MAX || epoch == 0))
|
|
|
+- || (errno != 0 && epoch == 0)
|
|
|
+- || (endptr == sde)
|
|
|
+- || (*endptr != '\0')
|
|
|
+- || (epoch > ULONG_MAX))
|
|
|
+- fatal("Invalid SOURCE_DATE_EPOCH value");
|
|
|
+-
|
|
|
+- return (time_t)epoch;
|
|
|
+-}
|
|
|
+-
|
|
|
+-
|
|
|
+-int main(int argc, char *argv[])
|
|
|
+-{
|
|
|
+- int fd;
|
|
|
+- bfd *rel_bfd, *abs_bfd;
|
|
|
+- asection *s;
|
|
|
+- char *ofile=NULL, *pfile=NULL, *abs_file = NULL, *rel_file = NULL;
|
|
|
+- char *fname = NULL;
|
|
|
+- int opt;
|
|
|
+- int i;
|
|
|
+- int stack;
|
|
|
+- stream gf;
|
|
|
+-
|
|
|
+- asymbol **symbol_table;
|
|
|
+- long number_of_symbols;
|
|
|
+-
|
|
|
+- uint32_t data_len = 0;
|
|
|
+- uint32_t bss_len = 0;
|
|
|
+- uint32_t text_len = 0;
|
|
|
+- uint32_t reloc_len;
|
|
|
+-
|
|
|
+- uint32_t data_vma = ~0;
|
|
|
+- uint32_t bss_vma = ~0;
|
|
|
+- uint32_t text_vma = ~0;
|
|
|
+-
|
|
|
+- uint32_t text_offs;
|
|
|
+-
|
|
|
+- void *text;
|
|
|
+- void *data;
|
|
|
+- uint32_t *reloc;
|
|
|
+-
|
|
|
+- struct flat_hdr hdr;
|
|
|
+-
|
|
|
+- elf2flt_progname = argv[0];
|
|
|
+- xmalloc_set_program_name(elf2flt_progname);
|
|
|
+-
|
|
|
+- if (argc < 2)
|
|
|
+- usage(1);
|
|
|
+-
|
|
|
+- if (sizeof(hdr) != 64)
|
|
|
+- fatal(
|
|
|
+- "Potential flat header incompatibility detected\n"
|
|
|
+- "header size should be 64 but is %d",
|
|
|
+- sizeof(hdr));
|
|
|
+-
|
|
|
+-#ifndef TARGET_e1
|
|
|
+- stack = 4096;
|
|
|
+-#else /* We need plenty of stack for both of them (Aggregate and Register) */
|
|
|
+- stack = 0x2020;
|
|
|
+-#endif
|
|
|
+-
|
|
|
+- while ((opt = getopt(argc, argv, "havzdrkp:s:o:R:")) != -1) {
|
|
|
+- switch (opt) {
|
|
|
+- case 'v':
|
|
|
+- verbose++;
|
|
|
+- break;
|
|
|
+- case 'r':
|
|
|
+- load_to_ram++;
|
|
|
+- break;
|
|
|
+- case 'k':
|
|
|
+- ktrace++;
|
|
|
+- break;
|
|
|
+- case 'z':
|
|
|
+- docompress = 1;
|
|
|
+- break;
|
|
|
+- case 'd':
|
|
|
+- docompress = 2;
|
|
|
+- break;
|
|
|
+- case 'p':
|
|
|
+- pfile = optarg;
|
|
|
+- break;
|
|
|
+- case 'o':
|
|
|
+- ofile = optarg;
|
|
|
+- break;
|
|
|
+- case 'a':
|
|
|
+- use_resolved = 1;
|
|
|
+- break;
|
|
|
+- case 's':
|
|
|
+- if (sscanf(optarg, "%i", &stack) != 1) {
|
|
|
+- fprintf(stderr, "%s invalid stack size %s\n", argv[0], optarg);
|
|
|
+- usage(1);
|
|
|
+- }
|
|
|
+- break;
|
|
|
+- case 'R':
|
|
|
+- rel_file = optarg;
|
|
|
+- break;
|
|
|
+- case 'h':
|
|
|
+- usage(0);
|
|
|
+- break;
|
|
|
+- default:
|
|
|
+- fprintf(stderr, "%s Unknown option\n", argv[0]);
|
|
|
+- usage(1);
|
|
|
+- break;
|
|
|
+- }
|
|
|
+- }
|
|
|
+-
|
|
|
+- /*
|
|
|
+- * if neither the -r or -p options was given, default to
|
|
|
+- * a RAM load as that is the only option that makes sense.
|
|
|
+- */
|
|
|
+- if (!load_to_ram && !pfile)
|
|
|
+- load_to_ram = 1;
|
|
|
+-
|
|
|
+- fname = argv[argc-1];
|
|
|
+-
|
|
|
+- if (pfile) {
|
|
|
+- pic_with_got = 1;
|
|
|
+- abs_file = pfile;
|
|
|
+- } else
|
|
|
+- abs_file = fname;
|
|
|
+-
|
|
|
+- if (! rel_file)
|
|
|
+- rel_file = fname;
|
|
|
+-
|
|
|
+- if (!(rel_bfd = bfd_openr(rel_file, 0)))
|
|
|
+- fatal_perror("Can't open '%s'", rel_file);
|
|
|
+-
|
|
|
+- if (bfd_check_format (rel_bfd, bfd_object) == 0)
|
|
|
+- fatal("File is not an object file");
|
|
|
+-
|
|
|
+- if (abs_file == rel_file)
|
|
|
+- abs_bfd = rel_bfd; /* one file does all */
|
|
|
+- else {
|
|
|
+- if (!(abs_bfd = bfd_openr(abs_file, 0)))
|
|
|
+- fatal_perror("Can't open '%s'", abs_file);
|
|
|
+-
|
|
|
+- if (bfd_check_format (abs_bfd, bfd_object) == 0)
|
|
|
+- fatal("File is not an object file");
|
|
|
+- }
|
|
|
+-
|
|
|
+- if (! (bfd_get_file_flags(rel_bfd) & HAS_RELOC))
|
|
|
+- fatal("%s: Input file contains no relocation info", rel_file);
|
|
|
+-
|
|
|
+- if (use_resolved && !(bfd_get_file_flags(abs_bfd) & EXEC_P))
|
|
|
+- /* `Absolute' file is not absolute, so neither are address
|
|
|
+- contained therein. */
|
|
|
+- fatal("%s: `-a' option specified with non-fully-resolved input file",
|
|
|
+- bfd_get_filename (abs_bfd));
|
|
|
+-
|
|
|
+- symbol_table = get_symbols(abs_bfd, &number_of_symbols);
|
|
|
+-
|
|
|
+- /* Group output sections into text, data, and bss, and calc their sizes. */
|
|
|
+- for (s = abs_bfd->sections; s != NULL; s = s->next) {
|
|
|
+- uint32_t *vma, *len;
|
|
|
+- bfd_size_type sec_size;
|
|
|
+- bfd_vma sec_vma;
|
|
|
+-
|
|
|
+- if ((s->flags & SEC_CODE) ||
|
|
|
+- ro_reloc_data_section_should_be_in_text(s)) {
|
|
|
+- vma = &text_vma;
|
|
|
+- len = &text_len;
|
|
|
+- } else if (s->flags & SEC_DATA) {
|
|
|
+- vma = &data_vma;
|
|
|
+- len = &data_len;
|
|
|
+- } else if (s->flags & SEC_ALLOC) {
|
|
|
+- vma = &bss_vma;
|
|
|
+- len = &bss_len;
|
|
|
+- } else
|
|
|
+- continue;
|
|
|
+-
|
|
|
+- sec_size = elf2flt_bfd_section_size(s);
|
|
|
+- sec_vma = elf2flt_bfd_section_vma(s);
|
|
|
+-
|
|
|
+- if (sec_vma < *vma) {
|
|
|
+- if (*len > 0)
|
|
|
+- *len += sec_vma - *vma;
|
|
|
+- else
|
|
|
+- *len = sec_size;
|
|
|
+- *vma = sec_vma;
|
|
|
+- } else if (sec_vma + sec_size > *vma + *len)
|
|
|
+- *len = sec_vma + sec_size - *vma;
|
|
|
+- }
|
|
|
+-
|
|
|
+- if (text_len == 0)
|
|
|
+- fatal("%s: no .text section", abs_file);
|
|
|
+-
|
|
|
+- text = xmalloc(text_len);
|
|
|
+-
|
|
|
+- if (verbose)
|
|
|
+- printf("TEXT -> vma=0x%x len=0x%x\n", text_vma, text_len);
|
|
|
+-
|
|
|
+- /* Read input sections destined for the text output segment.
|
|
|
+- * Includes code sections, but also includes read-only relocation
|
|
|
+- * data sections.*/
|
|
|
+- for (s = abs_bfd->sections; s != NULL; s = s->next)
|
|
|
+- if ((s->flags & SEC_CODE) ||
|
|
|
+- ro_reloc_data_section_should_be_in_text(s))
|
|
|
+- if (!bfd_get_section_contents(abs_bfd, s,
|
|
|
+- text + (s->vma - text_vma), 0,
|
|
|
+- elf2flt_bfd_section_size(s)))
|
|
|
+- {
|
|
|
+- fatal("read error section %s", s->name);
|
|
|
+- }
|
|
|
+-
|
|
|
+- if (data_len == 0)
|
|
|
+- fatal("%s: no .data section", abs_file);
|
|
|
+- data = xmalloc(data_len);
|
|
|
+-
|
|
|
+- if (verbose)
|
|
|
+- printf("DATA -> vma=0x%x len=0x%x\n", data_vma, data_len);
|
|
|
+-
|
|
|
+- if ((text_vma + text_len) != data_vma) {
|
|
|
+- if ((text_vma + text_len) > data_vma)
|
|
|
+- fatal("ERROR: text=0x%x overlaps data=0x%x ?", text_len, data_vma);
|
|
|
+- if (verbose)
|
|
|
+- printf("WARNING: data=0x%x does not directly follow text=0x%x\n",
|
|
|
+- data_vma, text_len);
|
|
|
+- text_len = data_vma - text_vma;
|
|
|
+- }
|
|
|
+-
|
|
|
+- /* Read input sections destined for the data output segment.
|
|
|
+- * Includes data sections, but not those read-only relocation
|
|
|
+- * data sections already included in the text output section.*/
|
|
|
+- for (s = abs_bfd->sections; s != NULL; s = s->next)
|
|
|
+- if ((s->flags & SEC_DATA) &&
|
|
|
+- !ro_reloc_data_section_should_be_in_text(s))
|
|
|
+- if (!bfd_get_section_contents(abs_bfd, s,
|
|
|
+- data + (s->vma - data_vma), 0,
|
|
|
+- elf2flt_bfd_section_size(s)))
|
|
|
+- {
|
|
|
+- fatal("read error section %s", s->name);
|
|
|
+- }
|
|
|
+-
|
|
|
+- if (bss_vma == ~0)
|
|
|
+- bss_vma = data_vma + data_len;
|
|
|
+-
|
|
|
+- /* Put common symbols in bss. */
|
|
|
+- bss_len += add_com_to_bss(symbol_table, number_of_symbols, bss_len);
|
|
|
+-
|
|
|
+- if (verbose)
|
|
|
+- printf("BSS -> vma=0x%x len=0x%x\n", bss_vma, bss_len);
|
|
|
+-
|
|
|
+- if ((data_vma + data_len) != bss_vma) {
|
|
|
+- if ((data_vma + data_len) > bss_vma)
|
|
|
+- fatal("ERROR: text=0x%x + data=0x%x overlaps bss=0x%x ?", text_len,
|
|
|
+- data_len, bss_vma);
|
|
|
+- if (verbose)
|
|
|
+- printf("WARNING: bss=0x%x does not directly follow text=0x%x + data=0x%x(0x%x)\n",
|
|
|
+- bss_vma, text_len, data_len, text_len + data_len);
|
|
|
+- data_len = bss_vma - data_vma;
|
|
|
+- }
|
|
|
+-
|
|
|
+- reloc = (uint32_t *)
|
|
|
+- output_relocs(abs_bfd, symbol_table, number_of_symbols, &reloc_len,
|
|
|
+- text, text_len, text_vma, data, data_len, data_vma, rel_bfd);
|
|
|
+-
|
|
|
+- if (reloc == NULL && verbose)
|
|
|
+- printf("No relocations in code!\n");
|
|
|
+-
|
|
|
+- text_offs = real_address_bits(text_vma);
|
|
|
+-
|
|
|
+- /* Fill in the binflt_flat header */
|
|
|
+- memcpy(hdr.magic,"bFLT",4);
|
|
|
+- hdr.rev = htonl(FLAT_VERSION);
|
|
|
+- hdr.entry = htonl(sizeof(hdr) + bfd_get_start_address(abs_bfd));
|
|
|
+- hdr.data_start = htonl(sizeof(hdr) + text_offs + text_len);
|
|
|
+- hdr.data_end = htonl(sizeof(hdr) + text_offs + text_len +data_len);
|
|
|
+- hdr.bss_end = htonl(sizeof(hdr) + text_offs + text_len +data_len+bss_len);
|
|
|
+- hdr.stack_size = htonl(stack); /* FIXME */
|
|
|
+- hdr.reloc_start = htonl(sizeof(hdr) + text_offs + text_len +data_len);
|
|
|
+- hdr.reloc_count = htonl(reloc_len);
|
|
|
+- hdr.flags = htonl(0
|
|
|
+- | (load_to_ram || text_has_relocs ? FLAT_FLAG_RAM : 0)
|
|
|
+- | (ktrace ? FLAT_FLAG_KTRACE : 0)
|
|
|
+- | (pic_with_got ? FLAT_FLAG_GOTPIC : 0)
|
|
|
+- | (docompress ? (docompress == 2 ? FLAT_FLAG_GZDATA : FLAT_FLAG_GZIP) : 0)
|
|
|
+- );
|
|
|
+- hdr.build_date = htonl((uint32_t)get_build_date());
|
|
|
+- memset(hdr.filler, 0x00, sizeof(hdr.filler));
|
|
|
+-
|
|
|
+- for (i=0; i<reloc_len; i++) reloc[i] = htonl(reloc[i]);
|
|
|
+-
|
|
|
+- if (verbose) {
|
|
|
+- printf("SIZE: .text=0x%04x, .data=0x%04x, .bss=0x%04x",
|
|
|
+- text_len, data_len, bss_len);
|
|
|
+- if (reloc)
|
|
|
+- printf(", relocs=0x%04x", reloc_len);
|
|
|
+- printf("\n");
|
|
|
+- }
|
|
|
+-
|
|
|
+- if (!ofile) {
|
|
|
+- ofile = xmalloc(strlen(fname) + 5 + 1); /* 5 to add suffix */
|
|
|
+- strcpy(ofile, fname);
|
|
|
+- strcat(ofile, ".bflt");
|
|
|
+- }
|
|
|
+-
|
|
|
+- if ((fd = open (ofile, O_WRONLY|O_BINARY|O_CREAT|O_TRUNC, 0744)) < 0)
|
|
|
+- fatal_perror("Can't open output file %s", ofile);
|
|
|
+-
|
|
|
+- if (write(fd, &hdr, sizeof(hdr)) != sizeof(hdr))
|
|
|
+- fatal_perror("Couldn't write file %s", ofile);
|
|
|
+- close(fd);
|
|
|
+-
|
|
|
+- if (fopen_stream_u(&gf, ofile, "a" BINARY_FILE_OPTS))
|
|
|
+- fatal_perror("Can't open file %s for writing", ofile);
|
|
|
+-
|
|
|
+- if (docompress == 1)
|
|
|
+- reopen_stream_compressed(&gf);
|
|
|
+-
|
|
|
+- /* Fill in any hole at the beginning of the text segment. */
|
|
|
+- if (verbose)
|
|
|
+- printf("ZERO before text len=0x%x\n", text_offs);
|
|
|
+- write_zeroes(text_offs, &gf);
|
|
|
+-
|
|
|
+- /* Write the text segment. */
|
|
|
+- fwrite_stream(text, text_len, 1, &gf);
|
|
|
+-
|
|
|
+- if (docompress == 2)
|
|
|
+- reopen_stream_compressed(&gf);
|
|
|
+-
|
|
|
+- /* Write the data segment. */
|
|
|
+- fwrite_stream(data, data_len, 1, &gf);
|
|
|
+-
|
|
|
+- if (reloc)
|
|
|
+- fwrite_stream(reloc, reloc_len * 4, 1, &gf);
|
|
|
+-
|
|
|
+- fclose_stream(&gf);
|
|
|
+-
|
|
|
+- exit(0);
|
|
|
+-}
|
|
|
+-
|
|
|
+-
|
|
|
+-/*
|
|
|
+- * this __MUST__ be at the VERY end of the file - do NOT move!!
|
|
|
+- *
|
|
|
+- * Local Variables:
|
|
|
+- * c-basic-offset: 4
|
|
|
+- * tab-width: 8
|
|
|
+- * end:
|
|
|
+- * vi: tabstop=8 shiftwidth=4 textwidth=79 noexpandtab
|
|
|
+- */
|
Waldemar Brodkorb