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authorSam Ravnborg <sam@ravnborg.org>2007-07-16 22:39:35 +0200
committerSam Ravnborg <sam@ravnborg.org>2007-07-16 22:39:35 +0200
commit56a974fa2d595fe6ebe433c525b8232ead539b76 (patch)
tree7bbd0ac6d95e9b169176999efbaf633d9f87c7ed /scripts
parentkbuild: make better section mismatch reports on i386 and mips (diff)
downloadlinux-dev-56a974fa2d595fe6ebe433c525b8232ead539b76.tar.xz
linux-dev-56a974fa2d595fe6ebe433c525b8232ead539b76.zip
kbuild: make better section mismatch reports on arm
With this change we can find more symbols hereby improving the readability of the warnings. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/mod/modpost.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index b83cddb8dca9..256b3d272e2e 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -929,6 +929,26 @@ static int addend_386_rel(struct elf_info *elf, int rsection, Elf_Rela *r)
return 0;
}
+static int addend_arm_rel(struct elf_info *elf, int rsection, Elf_Rela *r)
+{
+ unsigned int r_typ = ELF_R_TYPE(r->r_info);
+
+ switch (r_typ) {
+ case R_ARM_ABS32:
+ /* From ARM ABI: (S + A) | T */
+ r->r_addend = (int)(long)(elf->symtab_start + ELF_R_SYM(r->r_info));
+ break;
+ case R_ARM_PC24:
+ /* From ARM ABI: ((S + A) | T) - P */
+ r->r_addend = (int)(long)(elf->hdr + elf->sechdrs[rsection].sh_offset +
+ (r->r_offset - elf->sechdrs[rsection].sh_addr));
+ break;
+ default:
+ return 1;
+ }
+ return 0;
+}
+
static int addend_mips_rel(struct elf_info *elf, int rsection, Elf_Rela *r)
{
unsigned int r_typ = ELF_R_TYPE(r->r_info);
@@ -1051,6 +1071,10 @@ static void check_sec_ref(struct module *mod, const char *modname,
if (addend_386_rel(elf, i, &r))
continue;
break;
+ case EM_ARM:
+ if(addend_arm_rel(elf, i, &r))
+ continue;
+ break;
case EM_MIPS:
if (addend_mips_rel(elf, i, &r))
continue;