diff options
Diffstat (limited to 'arch/arm/include/asm/elf.h')
| -rw-r--r-- | arch/arm/include/asm/elf.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h index f13ae153fb24..b078d992414b 100644 --- a/arch/arm/include/asm/elf.h +++ b/arch/arm/include/asm/elf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASMARM_ELF_H #define __ASMARM_ELF_H @@ -100,10 +101,15 @@ struct elf32_hdr; extern int elf_check_arch(const struct elf32_hdr *); #define elf_check_arch elf_check_arch +#define ELFOSABI_ARM_FDPIC 65 /* ARM FDPIC platform */ +#define elf_check_fdpic(x) ((x)->e_ident[EI_OSABI] == ELFOSABI_ARM_FDPIC) +#define elf_check_const_displacement(x) ((x)->e_flags & EF_ARM_PIC) +#define ELF_FDPIC_CORE_EFLAGS 0 + #define vmcore_elf64_check_arch(x) (0) -extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int); -#define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk) +extern int arm_elf_read_implies_exec(int); +#define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(stk) struct task_struct; int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs); @@ -120,6 +126,13 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs); have no such handler. */ #define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0 +#define ELF_FDPIC_PLAT_INIT(_r, _exec_map_addr, _interp_map_addr, dynamic_addr) \ + do { \ + (_r)->ARM_r7 = _exec_map_addr; \ + (_r)->ARM_r8 = _interp_map_addr; \ + (_r)->ARM_r9 = dynamic_addr; \ + } while(0) + extern void elf_set_personality(const struct elf32_hdr *); #define SET_PERSONALITY(ex) elf_set_personality(&(ex)) |