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| author | Sam Ravnborg <sam@ravnborg.org> | 2007-07-16 22:39:35 +0200 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2007-07-16 22:39:35 +0200 |
| commit | 56a974fa2d595fe6ebe433c525b8232ead539b76 (patch) | |
| tree | 7bbd0ac6d95e9b169176999efbaf633d9f87c7ed /scripts/mod | |
| parent | ae4ac12323c0ff80528cac3269151d580e23f923 (diff) | |
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/mod')
| -rw-r--r-- | scripts/mod/modpost.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index b83cddb8dca..256b3d272e2 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; |