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112 lines
3.0 KiB
112 lines
3.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _LINUX_ELF_H |
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#define _LINUX_ELF_H |
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#include <linux/types.h> |
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#include <asm/elf.h> |
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#include <uapi/linux/elf.h> |
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#ifndef elf_read_implies_exec |
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/* Executables for which elf_read_implies_exec() returns TRUE will |
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have the READ_IMPLIES_EXEC personality flag set automatically. |
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Override in asm/elf.h as needed. */ |
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# define elf_read_implies_exec(ex, have_pt_gnu_stack) 0 |
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#endif |
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#ifndef SET_PERSONALITY |
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#define SET_PERSONALITY(ex) \ |
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set_personality(PER_LINUX | (current->personality & (~PER_MASK))) |
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#endif |
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#ifndef SET_PERSONALITY2 |
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#define SET_PERSONALITY2(ex, state) \ |
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SET_PERSONALITY(ex) |
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#endif |
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#ifndef START_THREAD |
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#define START_THREAD(elf_ex, regs, elf_entry, start_stack) \ |
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start_thread(regs, elf_entry, start_stack) |
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#endif |
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#if defined(ARCH_HAS_SETUP_ADDITIONAL_PAGES) && !defined(ARCH_SETUP_ADDITIONAL_PAGES) |
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#define ARCH_SETUP_ADDITIONAL_PAGES(bprm, ex, interpreter) \ |
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arch_setup_additional_pages(bprm, interpreter) |
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#endif |
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#define ELF32_GNU_PROPERTY_ALIGN 4 |
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#define ELF64_GNU_PROPERTY_ALIGN 8 |
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#if ELF_CLASS == ELFCLASS32 |
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extern Elf32_Dyn _DYNAMIC []; |
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#define elfhdr elf32_hdr |
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#define elf_phdr elf32_phdr |
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#define elf_shdr elf32_shdr |
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#define elf_note elf32_note |
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#define elf_addr_t Elf32_Off |
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#define Elf_Half Elf32_Half |
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#define Elf_Word Elf32_Word |
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#define ELF_GNU_PROPERTY_ALIGN ELF32_GNU_PROPERTY_ALIGN |
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#else |
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extern Elf64_Dyn _DYNAMIC []; |
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#define elfhdr elf64_hdr |
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#define elf_phdr elf64_phdr |
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#define elf_shdr elf64_shdr |
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#define elf_note elf64_note |
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#define elf_addr_t Elf64_Off |
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#define Elf_Half Elf64_Half |
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#define Elf_Word Elf64_Word |
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#define ELF_GNU_PROPERTY_ALIGN ELF64_GNU_PROPERTY_ALIGN |
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#endif |
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/* Optional callbacks to write extra ELF notes. */ |
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struct file; |
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struct coredump_params; |
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#ifndef ARCH_HAVE_EXTRA_ELF_NOTES |
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static inline int elf_coredump_extra_notes_size(void) { return 0; } |
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static inline int elf_coredump_extra_notes_write(struct coredump_params *cprm) { return 0; } |
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#else |
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extern int elf_coredump_extra_notes_size(void); |
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extern int elf_coredump_extra_notes_write(struct coredump_params *cprm); |
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#endif |
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/* |
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* NT_GNU_PROPERTY_TYPE_0 header: |
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* Keep this internal until/unless there is an agreed UAPI definition. |
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* pr_type values (GNU_PROPERTY_*) are public and defined in the UAPI header. |
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*/ |
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struct gnu_property { |
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u32 pr_type; |
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u32 pr_datasz; |
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}; |
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struct arch_elf_state; |
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#ifndef CONFIG_ARCH_USE_GNU_PROPERTY |
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static inline int arch_parse_elf_property(u32 type, const void *data, |
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size_t datasz, bool compat, |
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struct arch_elf_state *arch) |
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{ |
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return 0; |
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} |
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#else |
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extern int arch_parse_elf_property(u32 type, const void *data, size_t datasz, |
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bool compat, struct arch_elf_state *arch); |
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#endif |
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#ifdef CONFIG_ARCH_HAVE_ELF_PROT |
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int arch_elf_adjust_prot(int prot, const struct arch_elf_state *state, |
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bool has_interp, bool is_interp); |
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#else |
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static inline int arch_elf_adjust_prot(int prot, |
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const struct arch_elf_state *state, |
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bool has_interp, bool is_interp) |
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{ |
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return prot; |
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} |
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#endif |
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#endif /* _LINUX_ELF_H */
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