diff options
Diffstat (limited to 'arch/s390/include/asm/module.h')
| -rw-r--r-- | arch/s390/include/asm/module.h | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/arch/s390/include/asm/module.h b/arch/s390/include/asm/module.h index e0a6d29846e2..916ab59e458a 100644 --- a/arch/s390/include/asm/module.h +++ b/arch/s390/include/asm/module.h @@ -8,16 +8,14 @@ * This file contains the s390 architecture specific module code. */ -struct mod_arch_syminfo -{ +struct mod_arch_syminfo { unsigned long got_offset; unsigned long plt_offset; int got_initialized; int plt_initialized; }; -struct mod_arch_specific -{ +struct mod_arch_specific { /* Starting offset of got in the module core memory. */ unsigned long got_offset; /* Starting offset of plt in the module core memory. */ @@ -30,6 +28,28 @@ struct mod_arch_specific int nsyms; /* Additional symbol information (got and plt offsets). */ struct mod_arch_syminfo *syminfo; +#ifdef CONFIG_FUNCTION_TRACER + /* Start of memory reserved for ftrace hotpatch trampolines. */ + struct ftrace_hotpatch_trampoline *trampolines_start; + /* End of memory reserved for ftrace hotpatch trampolines. */ + struct ftrace_hotpatch_trampoline *trampolines_end; + /* Next unused ftrace hotpatch trampoline slot. */ + struct ftrace_hotpatch_trampoline *next_trampoline; +#endif /* CONFIG_FUNCTION_TRACER */ }; +static inline const Elf_Shdr *find_section(const Elf_Ehdr *hdr, + const Elf_Shdr *sechdrs, + const char *name) +{ + const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; + const Elf_Shdr *s, *se; + + for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) { + if (strcmp(name, secstrs + s->sh_name) == 0) + return s; + } + return NULL; +} + #endif /* _ASM_S390_MODULE_H */ |