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authorMasahiro Yamada <masahiroy@kernel.org>2023-07-23 19:04:44 +0900
committerMasahiro Yamada <masahiroy@kernel.org>2023-07-31 23:42:14 +0900
commit71d965cf3577d68788a3d3ef044eb8e6d85013fa (patch)
tree689b333f13ca0ead4c3844a99995ab2320f72e1c /scripts
parenta68914a53476d4fa0808219c6323eddca50e0e26 (diff)
modpost: pass r_type to addend_*_rel()
All of addend_*_rel() need the Elf_Rela pointer just for calculating ELF_R_TYPE(r->r_info). You can do it on the caller to de-duplicate the code. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/mod/modpost.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index a8e85b7cc0da..570a6cb6dd00 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1257,11 +1257,9 @@ static void check_section_mismatch(struct module *mod, struct elf_info *elf,
tosec, taddr);
}
-static Elf_Addr addend_386_rel(uint32_t *location, Elf_Rela *r)
+static Elf_Addr addend_386_rel(uint32_t *location, unsigned int r_type)
{
- unsigned int r_typ = ELF_R_TYPE(r->r_info);
-
- switch (r_typ) {
+ switch (r_type) {
case R_386_32:
return TO_NATIVE(*location);
case R_386_PC32:
@@ -1312,13 +1310,12 @@ static int32_t sign_extend32(int32_t value, int index)
return (int32_t)(value << shift) >> shift;
}
-static Elf_Addr addend_arm_rel(void *loc, Elf_Sym *sym, Elf_Rela *r)
+static Elf_Addr addend_arm_rel(void *loc, Elf_Sym *sym, unsigned int r_type)
{
- unsigned int r_typ = ELF_R_TYPE(r->r_info);
uint32_t inst, upper, lower, sign, j1, j2;
int32_t offset;
- switch (r_typ) {
+ switch (r_type) {
case R_ARM_ABS32:
case R_ARM_REL32:
inst = TO_NATIVE(*(uint32_t *)loc);
@@ -1397,13 +1394,12 @@ static Elf_Addr addend_arm_rel(void *loc, Elf_Sym *sym, Elf_Rela *r)
return (Elf_Addr)(-1);
}
-static Elf_Addr addend_mips_rel(uint32_t *location, Elf_Rela *r)
+static Elf_Addr addend_mips_rel(uint32_t *location, unsigned int r_type)
{
- unsigned int r_typ = ELF_R_TYPE(r->r_info);
uint32_t inst;
inst = TO_NATIVE(*location);
- switch (r_typ) {
+ switch (r_type) {
case R_MIPS_LO16:
return inst & 0xffff;
case R_MIPS_26:
@@ -1500,6 +1496,7 @@ static void section_rel(struct module *mod, struct elf_info *elf,
Elf_Sym *tsym;
Elf_Addr taddr = 0;
void *loc;
+ unsigned int r_type;
r.r_offset = TO_NATIVE(rel->r_offset);
#if KERNEL_ELFCLASS == ELFCLASS64
@@ -1520,16 +1517,17 @@ static void section_rel(struct module *mod, struct elf_info *elf,
loc = sym_get_data_by_offset(elf, fsecndx, r.r_offset);
tsym = elf->symtab_start + r_sym;
+ r_type = ELF_R_TYPE(r.r_info);
switch (elf->hdr->e_machine) {
case EM_386:
- taddr = addend_386_rel(loc, &r);
+ taddr = addend_386_rel(loc, r_type);
break;
case EM_ARM:
- taddr = addend_arm_rel(loc, tsym, &r);
+ taddr = addend_arm_rel(loc, tsym, r_type);
break;
case EM_MIPS:
- taddr = addend_mips_rel(loc, &r);
+ taddr = addend_mips_rel(loc, r_type);
break;
default:
fatal("Please add code to calculate addend for this architecture\n");