diff options
Diffstat (limited to 'scripts/mod/modpost.c')
| -rw-r--r-- | scripts/mod/modpost.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 46660a4f9e22..902ee55f327f 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -776,10 +776,13 @@ static int secref_whitelist(const char *modname, const char *tosec, * In other cases the symbol needs to be looked up in the symbol table * based on section and address. * **/ -static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf_Addr addr, +static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr, Elf_Sym *relsym) { Elf_Sym *sym; + Elf_Sym *near = NULL; + Elf64_Sword distance = 20; + Elf64_Sword d; if (relsym->st_name != 0) return relsym; @@ -790,8 +793,20 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf_Addr addr, continue; if (sym->st_value == addr) return sym; + /* Find a symbol nearby - addr are maybe negative */ + d = sym->st_value - addr; + if (d < 0) + d = addr - sym->st_value; + if (d < distance) { + distance = d; + near = sym; + } } - return NULL; + /* We need a close match */ + if (distance < 20) + return near; + else + return NULL; } static inline int is_arm_mapping_symbol(const char *str) |