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Diffstat (limited to 'arch/loongarch/include/asm/module.h')
-rw-r--r--arch/loongarch/include/asm/module.h50
1 files changed, 39 insertions, 11 deletions
diff --git a/arch/loongarch/include/asm/module.h b/arch/loongarch/include/asm/module.h
index 9f6718df1854..2ecd82bb64e1 100644
--- a/arch/loongarch/include/asm/module.h
+++ b/arch/loongarch/include/asm/module.h
@@ -11,14 +11,22 @@
#define RELA_STACK_DEPTH 16
struct mod_section {
- Elf_Shdr *shdr;
+ int shndx;
int num_entries;
int max_entries;
};
struct mod_arch_specific {
+ struct mod_section got;
struct mod_section plt;
struct mod_section plt_idx;
+
+ /* For CONFIG_DYNAMIC_FTRACE */
+ struct plt_entry *ftrace_trampolines;
+};
+
+struct got_entry {
+ Elf_Addr symbol_addr;
};
struct plt_entry {
@@ -29,19 +37,25 @@ struct plt_entry {
};
struct plt_idx_entry {
- unsigned long symbol_addr;
+ Elf_Addr symbol_addr;
};
-Elf_Addr module_emit_plt_entry(struct module *mod, unsigned long val);
+Elf_Addr module_emit_got_entry(struct module *mod, Elf_Shdr *sechdrs, Elf_Addr val);
+Elf_Addr module_emit_plt_entry(struct module *mod, Elf_Shdr *sechdrs, Elf_Addr val);
+
+static inline struct got_entry emit_got_entry(Elf_Addr val)
+{
+ return (struct got_entry) { val };
+}
static inline struct plt_entry emit_plt_entry(unsigned long val)
{
u32 lu12iw, lu32id, lu52id, jirl;
- lu12iw = (lu12iw_op << 25 | (((val >> 12) & 0xfffff) << 5) | LOONGARCH_GPR_T1);
+ lu12iw = larch_insn_gen_lu12iw(LOONGARCH_GPR_T1, ADDR_IMM(val, LU12IW));
lu32id = larch_insn_gen_lu32id(LOONGARCH_GPR_T1, ADDR_IMM(val, LU32ID));
lu52id = larch_insn_gen_lu52id(LOONGARCH_GPR_T1, LOONGARCH_GPR_T1, ADDR_IMM(val, LU52ID));
- jirl = larch_insn_gen_jirl(0, LOONGARCH_GPR_T1, 0, (val & 0xfff));
+ jirl = larch_insn_gen_jirl(0, LOONGARCH_GPR_T1, ADDR_IMM(val, ORI));
return (struct plt_entry) { lu12iw, lu32id, lu52id, jirl };
}
@@ -51,10 +65,10 @@ static inline struct plt_idx_entry emit_plt_idx_entry(unsigned long val)
return (struct plt_idx_entry) { val };
}
-static inline int get_plt_idx(unsigned long val, const struct mod_section *sec)
+static inline int get_plt_idx(unsigned long val, Elf_Shdr *sechdrs, const struct mod_section *sec)
{
int i;
- struct plt_idx_entry *plt_idx = (struct plt_idx_entry *)sec->shdr->sh_addr;
+ struct plt_idx_entry *plt_idx = (struct plt_idx_entry *)sechdrs[sec->shndx].sh_addr;
for (i = 0; i < sec->num_entries; i++) {
if (plt_idx[i].symbol_addr == val)
@@ -65,11 +79,12 @@ static inline int get_plt_idx(unsigned long val, const struct mod_section *sec)
}
static inline struct plt_entry *get_plt_entry(unsigned long val,
- const struct mod_section *sec_plt,
- const struct mod_section *sec_plt_idx)
+ Elf_Shdr *sechdrs,
+ const struct mod_section *sec_plt,
+ const struct mod_section *sec_plt_idx)
{
- int plt_idx = get_plt_idx(val, sec_plt_idx);
- struct plt_entry *plt = (struct plt_entry *)sec_plt->shdr->sh_addr;
+ int plt_idx = get_plt_idx(val, sechdrs, sec_plt_idx);
+ struct plt_entry *plt = (struct plt_entry *)sechdrs[sec_plt->shndx].sh_addr;
if (plt_idx < 0)
return NULL;
@@ -77,4 +92,17 @@ static inline struct plt_entry *get_plt_entry(unsigned long val,
return plt + plt_idx;
}
+static inline struct got_entry *get_got_entry(Elf_Addr val,
+ Elf_Shdr *sechdrs,
+ const struct mod_section *sec)
+{
+ int i;
+ struct got_entry *got = (struct got_entry *)sechdrs[sec->shndx].sh_addr;
+
+ for (i = 0; i < sec->num_entries; i++)
+ if (got[i].symbol_addr == val)
+ return &got[i];
+ return NULL;
+}
+
#endif /* _ASM_MODULE_H */