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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_S390_MODULE_H
#define _ASM_S390_MODULE_H
#include <asm-generic/module.h>
/*
* This file contains the s390 architecture specific module code.
*/
struct mod_arch_syminfo {
unsigned long got_offset;
unsigned long plt_offset;
int got_initialized;
int plt_initialized;
};
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. */
unsigned long plt_offset;
/* Size of the got. */
unsigned long got_size;
/* Size of the plt. */
unsigned long plt_size;
/* Number of symbols in syminfo. */
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 */
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