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@@ -0,0 +1,391 @@
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+From fa0e77afba7d8d4107af5f8ddc8d38d23c3dd19d Mon Sep 17 00:00:00 2001
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+From: Romain Naour <romain.naour@smile.fr>
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+Date: Wed, 5 Feb 2020 10:31:32 +0100
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+Subject: [PATCH] elf2flt: handle binutils >= 2.34
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+
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+The latest Binutils release (2.34) is not compatible with elf2flt due
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+to a change in bfd_section_* macros. The issue has been reported to
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+the Binutils mailing list but Alan Modra recommend to bundle libbfd
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+library sources into each projects using it [1]. That's because the
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+API is not stable over the time without any backward compatibility
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+guaranties.
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+
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+On the other hand, the elf2flt tools needs to support modified
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+version of binutils for specific arch/target [2].
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+
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+Add two tests in the configure script to detect this API change
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+in order to support binutils < 2.34 and binutils >= 2.34.
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+
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+[1] https://sourceware.org/ml/binutils/2020-02/msg00044.html
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+[2] https://github.com/uclinux-dev/elf2flt/issues/14
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+
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+Signed-off-by: Romain Naour <romain.naour@smile.fr>
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+Signed-off-by: Waldemar Brodkorb <wbrodkorb@conet.de>
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+---
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+ configure.ac | 25 +++++++++++++++++++
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+ elf2flt.c | 81 ++++++++++++++++++++++++++++++++++--------------------------
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+ 2 files changed, 71 insertions(+), 35 deletions(-)
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+
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+diff --git a/configure.ac b/configure.ac
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+index d6b4119..caae869 100644
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+--- a/configure.ac
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++++ b/configure.ac
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+@@ -212,6 +212,31 @@ AC_CHECK_FUNCS([ \
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+ strsignal \
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+ ])
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+
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++dnl Various bfd section macros and functions like bfd_section_size() has been
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++dnl modified starting binutils >= 2.34.
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++dnl Check if the prototype is "bfd_section_size (sec)" or "bfd_section_size(bfd, ptr)"
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++if test "$binutils_build_dir" != "NONE"; then
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++ CFLAGS="-I$binutils_include_dir -I$bfd_include_dir $CFLAGS"
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++fi
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++
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++AC_TRY_COMPILE([#include <bfd.h>],
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++ [const asection *sec; bfd_section_size(sec);],
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++ bfd_section_size_macro_has_one_arg=yes,
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++ bfd_section_size_macro_has_one_arg=no)
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++if test "$bfd_section_size_macro_has_one_arg" = "yes" ; then
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++ AC_DEFINE(HAVE_BFD_SECTION_SIZE_MACRO_HAS_ONE_ARG, 1,
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++ [define to 1 for binutils >= 2.34])
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++fi
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++
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++AC_TRY_COMPILE([#include <bfd.h>],
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++ [const asection *sec; bfd_section_vma(sec);],
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++ bfd_section_vma_macro_has_one_arg=yes,
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++ bfd_section_vma_macro_has_one_arg=no)
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++if test "$bfd_section_vma_macro_has_one_arg" = "yes" ; then
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++ AC_DEFINE(HAVE_BFD_SECTION_VMA_MACRO_HAS_ONE_ARG, 1,
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++ [define to 1 for binutils >= 2.34])
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++fi
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++
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+ if test "$GCC" = yes ; then
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+ CFLAGS="-Wall $CFLAGS"
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+ if test "$werror" = 1 ; then
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+diff --git a/elf2flt.c b/elf2flt.c
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+index b7c4a49..8dbd9b2 100644
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+--- a/elf2flt.c
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++++ b/elf2flt.c
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+@@ -149,6 +149,17 @@ const char *elf2flt_progname;
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+ #define O_BINARY 0
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+ #endif
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+
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++#if defined(HAVE_BFD_SECTION_SIZE_MACRO_HAS_ONE_ARG)
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++#define elf2flt_bfd_section_size(abs_bfd, s) bfd_section_size(s)
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++#else
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++#define elf2flt_bfd_section_size(abs_bfd, s) bfd_section_size(abs_bfd, s)
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++#endif
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++
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++#if defined(HAVE_BFD_SECTION_VMA_MACRO_HAS_ONE_ARG)
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++#define elf2flt_bfd_section_vma(abs_bfd, s) bfd_section_vma(s)
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++#else
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++#define elf2flt_bfd_section_vma(abs_bfd, s) bfd_section_vma(abs_bfd, s)
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++#endif
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+
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+ /* Extra output when running. */
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+ static int verbose = 0;
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+@@ -323,9 +334,9 @@ compare_relocs (const void *pa, const void *pb)
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+ else if (!rb->sym_ptr_ptr || !*rb->sym_ptr_ptr)
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+ return 1;
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+
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+- a_vma = bfd_section_vma(compare_relocs_bfd,
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++ a_vma = elf2flt_bfd_section_vma(compare_relocs_bfd,
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+ (*(ra->sym_ptr_ptr))->section);
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+- b_vma = bfd_section_vma(compare_relocs_bfd,
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++ b_vma = elf2flt_bfd_section_vma(compare_relocs_bfd,
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+ (*(rb->sym_ptr_ptr))->section);
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+ va = (*(ra->sym_ptr_ptr))->value + a_vma + ra->addend;
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+ vb = (*(rb->sym_ptr_ptr))->value + b_vma + rb->addend;
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+@@ -403,7 +414,7 @@ output_relocs (
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+ }
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+
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+ for (a = abs_bfd->sections; (a != (asection *) NULL); a = a->next) {
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+- section_vma = bfd_section_vma(abs_bfd, a);
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++ section_vma = elf2flt_bfd_section_vma(abs_bfd, a);
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+
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+ if (verbose)
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+ printf("SECTION: %s [%p]: flags=0x%x vma=0x%"PRIx32"\n",
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+@@ -442,7 +453,7 @@ output_relocs (
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+ continue;
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+ if (verbose)
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+ printf(" RELOCS: %s [%p]: flags=0x%x vma=0x%"BFD_VMA_FMT"x\n",
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+- r->name, r, r->flags, bfd_section_vma(abs_bfd, r));
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++ r->name, r, r->flags, elf2flt_bfd_section_vma(abs_bfd, r));
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+ if ((r->flags & SEC_RELOC) == 0)
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+ continue;
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+ relsize = bfd_get_reloc_upper_bound(rel_bfd, r);
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+@@ -674,7 +685,7 @@ output_relocs (
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+ case R_BFIN_RIMM16:
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+ case R_BFIN_LUIMM16:
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+ case R_BFIN_HUIMM16:
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+
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+ if (weak_und_symbol(sym_section->name, (*(q->sym_ptr_ptr))))
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+@@ -707,7 +718,7 @@ output_relocs (
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+ break;
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+
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+ case R_BFIN_BYTE4_DATA:
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+
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+ if (weak_und_symbol (sym_section->name, (*(q->sym_ptr_ptr))))
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+@@ -851,7 +862,7 @@ output_relocs (
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+ #if defined(TARGET_m68k)
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+ case R_68K_32:
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+ relocation_needed = 1;
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ break;
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+ case R_68K_PC16:
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+@@ -876,7 +887,7 @@ output_relocs (
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+ q->address, sym_addr,
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+ (*p)->howto->rightshift,
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+ *(uint32_t *)r_mem);
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ break;
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+ case R_ARM_GOT32:
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+@@ -904,7 +915,7 @@ output_relocs (
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+ #ifdef TARGET_v850
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+ case R_V850_ABS32:
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+ relocation_needed = 1;
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ break;
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+ case R_V850_ZDA_16_16_OFFSET:
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+@@ -926,7 +937,7 @@ output_relocs (
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+ sym_addr = (*(q->sym_ptr_ptr))->value;
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+ q->address -= 1;
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+ r_mem -= 1; /* tracks q->address */
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ sym_addr |= (*(unsigned char *)r_mem<<24);
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+ break;
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+@@ -939,7 +950,7 @@ output_relocs (
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+ /* Absolute symbol done not relocation */
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+ relocation_needed = !bfd_is_abs_section(sym_section);
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+ sym_addr = (*(q->sym_ptr_ptr))->value;
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ break;
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+ case R_H8_DIR32:
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+@@ -952,7 +963,7 @@ output_relocs (
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+ }
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+ relocation_needed = 1;
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+ sym_addr = (*(q->sym_ptr_ptr))->value;
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ break;
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+ case R_H8_PCREL16:
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+@@ -985,7 +996,7 @@ output_relocs (
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+ pflags=0x80000000;
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+
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+ /* work out the relocation */
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ /* Write relocated pointer back */
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+ p[2] = (sym_addr >> 24) & 0xff;
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+@@ -1001,7 +1012,7 @@ output_relocs (
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+ relocation_needed = 0;
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+ pflags = 0;
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+ sprintf(&addstr[0], "+0x%ld", sym_addr - (*(q->sym_ptr_ptr))->value -
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+- bfd_section_vma(abs_bfd, sym_section));
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++ elf2flt_bfd_section_vma(abs_bfd, sym_section));
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+ if (verbose)
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+ printf(" RELOC[%d]: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
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+ "section=%s size=%d "
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+@@ -1017,7 +1028,7 @@ output_relocs (
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+ continue;
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+ }
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+ case R_MICROBLAZE_32:
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ relocation_needed = 1;
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+ break;
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+@@ -1042,7 +1053,7 @@ output_relocs (
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+ case R_NIOS2_BFD_RELOC_32:
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+ relocation_needed = 1;
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+ pflags = (FLAT_NIOS2_R_32 << 28);
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ /* modify target, in target order */
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+ *(unsigned long *)r_mem = htoniosl(sym_addr);
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+@@ -1052,7 +1063,7 @@ output_relocs (
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+ unsigned long exist_val;
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+ relocation_needed = 1;
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+ pflags = (FLAT_NIOS2_R_CALL26 << 28);
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+
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+ /* modify target, in target order */
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+@@ -1083,7 +1094,7 @@ output_relocs (
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+ ? FLAT_NIOS2_R_HIADJ_LO : FLAT_NIOS2_R_HI_LO;
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+ pflags <<= 28;
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+
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+
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+ /* modify high 16 bits, in target order */
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+@@ -1116,7 +1127,7 @@ output_relocs (
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+ goto NIOS2_RELOC_ERR;
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+ }
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+ /* _gp holds a absolute value, otherwise the ld cannot generate correct code */
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ //printf("sym=%x, %d, _gp=%x, %d\n", sym_addr+sym_vma, sym_addr+sym_vma, gp, gp);
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+ sym_addr += sym_vma + q->addend;
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+ sym_addr -= gp;
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+@@ -1197,7 +1208,7 @@ NIOS2_RELOC_ERR:
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+ case R_SPARC_32:
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+ case R_SPARC_UA32:
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+ relocation_needed = 1;
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ break;
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+ case R_SPARC_PC22:
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+@@ -1216,7 +1227,7 @@ NIOS2_RELOC_ERR:
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+ case R_SPARC_HI22:
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+ relocation_needed = 1;
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+ pflags = 0x80000000;
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ sym_addr |= (
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+ htonl(*(uint32_t *)r_mem)
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+@@ -1226,7 +1237,7 @@ NIOS2_RELOC_ERR:
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+ case R_SPARC_LO10:
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+ relocation_needed = 1;
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+ pflags = 0x40000000;
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ sym_addr &= 0x000003ff;
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+ sym_addr |= (
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+@@ -1240,7 +1251,7 @@ NIOS2_RELOC_ERR:
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+ #ifdef TARGET_sh
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+ case R_SH_DIR32:
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+ relocation_needed = 1;
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+- sym_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ sym_addr += sym_vma + q->addend;
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+ break;
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+ case R_SH_REL32:
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+@@ -1272,7 +1283,7 @@ NIOS2_RELOC_ERR:
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+ case R_E1_CONST31:
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+ relocation_needed = 1;
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+ DBG_E1("Handling Reloc <CONST31>\n");
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+- sec_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sec_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x], q->address : [0x%x]\n",
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+ sec_vma, sym_addr, q->address);
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+ sym_addr = sec_vma + sym_addr;
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+@@ -1287,7 +1298,7 @@ NIOS2_RELOC_ERR:
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+ relocation_needed = 0;
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+ DBG_E1("Handling Reloc <CONST31_PCREL>\n");
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+ DBG_E1("DONT RELOCATE AT LOADING\n");
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+- sec_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sec_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x], q->address : [0x%x]\n",
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+ sec_vma, sym_addr, q->address);
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+ sym_addr = sec_vma + sym_addr;
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+@@ -1314,7 +1325,7 @@ NIOS2_RELOC_ERR:
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+ relocation_needed = 0;
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+ DBG_E1("Handling Reloc <DIS29W_PCREL>\n");
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+ DBG_E1("DONT RELOCATE AT LOADING\n");
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+- sec_vma = bfd_section_vma(abs_bfd, sym_section);
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++ sec_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
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+ 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;
|
|
|
+@@ -1347,7 +1358,7 @@ NIOS2_RELOC_ERR:
|
|
|
+ DBG_E1("Handling Reloc <DIS29B>\n");
|
|
|
+ DIS29_RELOCATION:
|
|
|
+ relocation_needed = 1;
|
|
|
+- sec_vma = bfd_section_vma(abs_bfd, sym_section);
|
|
|
++ sec_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
|
|
|
+ DBG_E1("sec_vma : [0x%x], sym_addr : [0x%08x]\n",
|
|
|
+ sec_vma, sym_addr);
|
|
|
+ sym_addr = sec_vma + sym_addr;
|
|
|
+@@ -1364,7 +1375,7 @@ DIS29_RELOCATION:
|
|
|
+ relocation_needed = 0;
|
|
|
+ DBG_E1("Handling Reloc <IMM32_PCREL>\n");
|
|
|
+ DBG_E1("DONT RELOCATE AT LOADING\n");
|
|
|
+- sec_vma = bfd_section_vma(abs_bfd, sym_section);
|
|
|
++ sec_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
|
|
|
+ DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x]\n",
|
|
|
+ sec_vma, sym_addr);
|
|
|
+ sym_addr = sec_vma + sym_addr;
|
|
|
+@@ -1390,7 +1401,7 @@ DIS29_RELOCATION:
|
|
|
+ case R_E1_IMM32:
|
|
|
+ relocation_needed = 1;
|
|
|
+ DBG_E1("Handling Reloc <IMM32>\n");
|
|
|
+- sec_vma = bfd_section_vma(abs_bfd, sym_section);
|
|
|
++ sec_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
|
|
|
+ DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x]\n",
|
|
|
+ sec_vma, sym_addr);
|
|
|
+ sym_addr = sec_vma + sym_addr;
|
|
|
+@@ -1406,7 +1417,7 @@ DIS29_RELOCATION:
|
|
|
+ case R_E1_WORD:
|
|
|
+ relocation_needed = 1;
|
|
|
+ DBG_E1("Handling Reloc <WORD>\n");
|
|
|
+- sec_vma = bfd_section_vma(abs_bfd, sym_section);
|
|
|
++ sec_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
|
|
|
+ DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x]\n",
|
|
|
+ sec_vma, sym_addr);
|
|
|
+ sym_addr = sec_vma + sym_addr;
|
|
|
+@@ -1433,7 +1444,7 @@ DIS29_RELOCATION:
|
|
|
+ }
|
|
|
+
|
|
|
+ sprintf(&addstr[0], "+0x%lx", sym_addr - (*(q->sym_ptr_ptr))->value -
|
|
|
+- bfd_section_vma(abs_bfd, sym_section));
|
|
|
++ elf2flt_bfd_section_vma(abs_bfd, sym_section));
|
|
|
+
|
|
|
+
|
|
|
+ /*
|
|
|
+@@ -1873,8 +1884,8 @@ int main(int argc, char *argv[])
|
|
|
+ } else
|
|
|
+ continue;
|
|
|
+
|
|
|
+- sec_size = bfd_section_size(abs_bfd, s);
|
|
|
+- sec_vma = bfd_section_vma(abs_bfd, s);
|
|
|
++ sec_size = elf2flt_bfd_section_size(abs_bfd, s);
|
|
|
++ sec_vma = elf2flt_bfd_section_vma(abs_bfd, s);
|
|
|
+
|
|
|
+ if (sec_vma < *vma) {
|
|
|
+ if (*len > 0)
|
|
|
+@@ -1899,7 +1910,7 @@ int main(int argc, char *argv[])
|
|
|
+ if (s->flags & SEC_CODE)
|
|
|
+ if (!bfd_get_section_contents(abs_bfd, s,
|
|
|
+ text + (s->vma - text_vma), 0,
|
|
|
+- bfd_section_size(abs_bfd, s)))
|
|
|
++ elf2flt_bfd_section_size(abs_bfd, s)))
|
|
|
+ {
|
|
|
+ fatal("read error section %s", s->name);
|
|
|
+ }
|
|
|
+@@ -1925,7 +1936,7 @@ int main(int argc, char *argv[])
|
|
|
+ if (s->flags & SEC_DATA)
|
|
|
+ if (!bfd_get_section_contents(abs_bfd, s,
|
|
|
+ data + (s->vma - data_vma), 0,
|
|
|
+- bfd_section_size(abs_bfd, s)))
|
|
|
++ elf2flt_bfd_section_size(abs_bfd, s)))
|
|
|
+ {
|
|
|
+ fatal("read error section %s", s->name);
|
|
|
+ }
|
|
|
+--
|
|
|
+2.11.0
|
|
|
+
|