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authorPeter Zijlstra <peterz@infradead.org>2021-03-26 18:12:08 +0300
committerIngo Molnar <mingo@kernel.org>2021-04-02 13:44:37 +0300
commitd0c5c4cc73da0b05b0d9e5f833f2d859e1b45f8e (patch)
treeb9f0b2e78272ec8b314572c802645a87138535fa /tools/objtool/elf.c
parentef47cc01cb4abcd760d8ac66b9361d6ade4d0846 (diff)
downloadlinux-d0c5c4cc73da0b05b0d9e5f833f2d859e1b45f8e.tar.xz
objtool: Create reloc sections implicitly
Have elf_add_reloc() create the relocation section implicitly. Suggested-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Borislav Petkov <bp@suse.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Miroslav Benes <mbenes@suse.cz> Link: https://lkml.kernel.org/r/20210326151259.880174448@infradead.org
Diffstat (limited to 'tools/objtool/elf.c')
-rw-r--r--tools/objtool/elf.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c
index 0ab52ac3f861..7b65ae3beea4 100644
--- a/tools/objtool/elf.c
+++ b/tools/objtool/elf.c
@@ -447,11 +447,18 @@ err:
return -1;
}
+static struct section *elf_create_reloc_section(struct elf *elf,
+ struct section *base,
+ int reltype);
+
int elf_add_reloc(struct elf *elf, struct section *sec, unsigned long offset,
unsigned int type, struct symbol *sym, int addend)
{
struct reloc *reloc;
+ if (!sec->reloc && !elf_create_reloc_section(elf, sec, SHT_RELA))
+ return -1;
+
reloc = malloc(sizeof(*reloc));
if (!reloc) {
perror("malloc");
@@ -829,7 +836,7 @@ static struct section *elf_create_rela_reloc_section(struct elf *elf, struct sec
return sec;
}
-struct section *elf_create_reloc_section(struct elf *elf,
+static struct section *elf_create_reloc_section(struct elf *elf,
struct section *base,
int reltype)
{