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use ElfW(Addr) instead of ElfW(Word) since elf word types are always 32bits in size, even on 64bit hosts, while Addr is the proper native size ... also get creative with our signed/unsigned usage to get rid of warnings

Mike Frysinger 20 năm trước cách đây
mục cha
commit
0e89137680
1 tập tin đã thay đổi với 9 bổ sung9 xóa
  1. 9 9
      utils/readsoname2.c

+ 9 - 9
utils/readsoname2.c

@@ -2,14 +2,14 @@ char *readsonameXX(char *name, FILE *infile, int expected_type, int *type)
 {
   ElfW(Ehdr) *epnt;
   ElfW(Phdr) *ppnt;
-  int i, j;
+  unsigned int i, j;
   char *header;
-  ElfW(Word) dynamic_addr = 0;
-  ElfW(Word) dynamic_size = 0;
+  ElfW(Addr) dynamic_addr = 0;
+  ElfW(Addr) dynamic_size = 0;
   unsigned long page_size = getpagesize();
-  ElfW(Word) strtab_val = 0;
-  ElfW(Word) needed_val;
-  ElfW(Sword) loadaddr = -1;
+  ElfW(Addr) strtab_val = 0;
+  ElfW(Addr) needed_val;
+  ElfW(Addr) loadaddr = -1;
   ElfW(Dyn) *dpnt;
   struct stat st;
   char *needed;
@@ -62,7 +62,7 @@ char *readsonameXX(char *name, FILE *infile, int expected_type, int *type)
       ppnt->p_filesz=bswap_32(ppnt->p_filesz);
     }
 
-    if (loadaddr == -1 && ppnt->p_type == PT_LOAD) 
+    if (loadaddr == (ElfW(Addr))-1 && ppnt->p_type == PT_LOAD) 
       loadaddr = (ppnt->p_vaddr & ~(page_size-1)) -
 	(ppnt->p_offset & ~(page_size-1));
     if(ppnt->p_type == 2)
@@ -104,8 +104,8 @@ char *readsonameXX(char *name, FILE *infile, int expected_type, int *type)
     if (dpnt->d_tag == DT_SONAME || dpnt->d_tag == DT_NEEDED)
     {
       needed_val = dpnt->d_un.d_val;
-      if (needed_val + strtab_val - loadaddr >= 0 ||
-	  needed_val + strtab_val - loadaddr < st.st_size)
+      if (needed_val + strtab_val >= loadaddr ||
+	  needed_val + strtab_val < st.st_size - loadaddr)
       {
 	needed = (char *) (header - loadaddr + strtab_val + needed_val);