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authorH. Peter Anvin <hpa@linux.intel.com>2012-05-18 09:52:01 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2012-05-18 09:52:01 -0700
commit8a3b947c40cb36100f316ac0d433f4ae554ee4cc (patch)
treee05a1aad6ae5235efb4195851080d85874175a9c
parentc54a354c1835e7412a53458891b9ea05361b4e8a (diff)
downloadop-kernel-dev-8a3b947c40cb36100f316ac0d433f4ae554ee4cc.zip
op-kernel-dev-8a3b947c40cb36100f316ac0d433f4ae554ee4cc.tar.gz
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>
-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 b49c211..dce982d 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);
}
}
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