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authorH. Peter Anvin <hpa@linux.intel.com>2012-05-18 18:52:01 +0200
committerH. Peter Anvin <hpa@linux.intel.com>2012-05-18 18:52:01 +0200
commit8a3b947c40cb36100f316ac0d433f4ae554ee4cc (patch)
treee05a1aad6ae5235efb4195851080d85874175a9c /arch/x86/tools
parentx86, relocs: More relocations which may end up as absolute (diff)
downloadlinux-8a3b947c40cb36100f316ac0d433f4ae554ee4cc.tar.xz
linux-8a3b947c40cb36100f316ac0d433f4ae554ee4cc.zip
x86, relocs: When printing an error, say relative or absolute
When the relocs tool throws an error, let the error message say if it is an absolute or relative symbol. This should make it a lot more clear what action the programmer needs to take. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/tools')
-rw-r--r--arch/x86/tools/relocs.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
index b49c2119295e..dce982d4bc31 100644
--- a/arch/x86/tools/relocs.c
+++ b/arch/x86/tools/relocs.c
@@ -570,10 +570,14 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym),
Elf32_Sym *sym;
unsigned r_type;
const char *symname;
+ int shn_abs;
+
rel = &sec->reltab[j];
sym = &sh_symtab[ELF32_R_SYM(rel->r_info)];
r_type = ELF32_R_TYPE(rel->r_info);
+ shn_abs = sym->st_shndx == SHN_ABS;
+
switch (r_type) {
case R_386_NONE:
case R_386_PC32:
@@ -589,7 +593,7 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym),
symname = sym_name(sym_strtab, sym);
if (!use_real_mode)
goto bad;
- if (sym->st_shndx == SHN_ABS) {
+ if (shn_abs) {
if (is_reloc(S_ABS, symname))
break;
else if (!is_reloc(S_SEG, symname))
@@ -605,7 +609,7 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym),
case R_386_32:
symname = sym_name(sym_strtab, sym);
- if (sym->st_shndx == SHN_ABS) {
+ if (shn_abs) {
if (is_reloc(S_ABS, symname))
break;
else if (!is_reloc(S_REL, symname))
@@ -623,7 +627,8 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym),
break;
bad:
symname = sym_name(sym_strtab, sym);
- die("Invalid %s relocation: %s\n",
+ die("Invalid %s %s relocation: %s\n",
+ shn_abs ? "absolute" : "relative",
rel_type(r_type), symname);
}
}