From c3f5682215fb2790d2405c1b5190869a164eb759 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Tue, 26 Jul 2022 08:39:20 -0300 Subject: arm: Remove RELA support Now that prelink is not support, there is no need to keep supporting rela for non bootstrap. --- sysdeps/arm/dl-machine-rel.h | 7 +-- sysdeps/arm/dl-machine.h | 100 ------------------------------------------- 2 files changed, 1 insertion(+), 106 deletions(-) (limited to 'sysdeps') diff --git a/sysdeps/arm/dl-machine-rel.h b/sysdeps/arm/dl-machine-rel.h index 999967931b..9dfaf718f2 100644 --- a/sysdeps/arm/dl-machine-rel.h +++ b/sysdeps/arm/dl-machine-rel.h @@ -19,13 +19,8 @@ #ifndef _DL_MACHINE_REL_H #define _DL_MACHINE_REL_H -/* ARM never uses Elf32_Rela relocations for the dynamic linker. - Prelinked libraries may use Elf32_Rela though. */ -#define ELF_MACHINE_NO_RELA defined RTLD_BOOTSTRAP +#define ELF_MACHINE_NO_RELA 1 #define ELF_MACHINE_NO_REL 0 - -/* ARM never uses Elf32_Rela relocations for the dynamic linker. - Prelinked libraries may use Elf32_Rela though. */ #define ELF_MACHINE_PLT_REL 1 #define PLTREL ElfW(Rel) diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h index 6a422713bd..4e78d8fb0e 100644 --- a/sysdeps/arm/dl-machine.h +++ b/sysdeps/arm/dl-machine.h @@ -447,96 +447,6 @@ elf_machine_rel (struct link_map *map, struct r_scope_elem *scope[], } } -# ifndef RTLD_BOOTSTRAP -static inline void -__attribute__ ((always_inline)) -elf_machine_rela (struct link_map *map, struct r_scope_elem *scope[], - const Elf32_Rela *reloc, const Elf32_Sym *sym, - const struct r_found_version *version, - void *const reloc_addr_arg, int skip_ifunc) -{ - Elf32_Addr *const reloc_addr = reloc_addr_arg; - const unsigned int r_type = ELF32_R_TYPE (reloc->r_info); - - if (__builtin_expect (r_type == R_ARM_RELATIVE, 0)) - *reloc_addr = map->l_addr + reloc->r_addend; - else if (__builtin_expect (r_type == R_ARM_NONE, 0)) - return; - else - { - const Elf32_Sym *const refsym = sym; - struct link_map *sym_map = RESOLVE_MAP (map, scope, &sym, version, r_type); - Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true); - - if (sym != NULL - && __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0) - && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1) - && __builtin_expect (!skip_ifunc, 1)) - value = elf_ifunc_invoke (value); - - switch (r_type) - { - /* Not needed for dl-conflict.c. */ - case R_ARM_COPY: - if (sym == NULL) - /* This can happen in trace mode if an object could not be - found. */ - break; - if (sym->st_size > refsym->st_size - || (GLRO(dl_verbose) && sym->st_size < refsym->st_size)) - { - const char *strtab; - - strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]); - _dl_error_printf ("\ -%s: Symbol `%s' has different size in shared object, consider re-linking\n", - RTLD_PROGNAME, strtab + refsym->st_name); - } - memcpy (reloc_addr_arg, (void *) value, - MIN (sym->st_size, refsym->st_size)); - break; - case R_ARM_GLOB_DAT: - case R_ARM_JUMP_SLOT: - case R_ARM_ABS32: - *reloc_addr = value + reloc->r_addend; - break; - case R_ARM_PC24: - relocate_pc24 (map, value, reloc_addr, reloc->r_addend); - break; -#if !defined RTLD_BOOTSTRAP - case R_ARM_TLS_DTPMOD32: - /* Get the information from the link map returned by the - resolv function. */ - if (sym_map != NULL) - *reloc_addr = sym_map->l_tls_modid; - break; - - case R_ARM_TLS_DTPOFF32: - *reloc_addr = (sym == NULL ? 0 : sym->st_value) + reloc->r_addend; - break; - - case R_ARM_TLS_TPOFF32: - if (sym != NULL) - { - CHECK_STATIC_TLS (map, sym_map); - *reloc_addr = (sym->st_value + sym_map->l_tls_offset - + reloc->r_addend); - } - break; - case R_ARM_IRELATIVE: - value = map->l_addr + reloc->r_addend; - if (__glibc_likely (!skip_ifunc)) - value = ((Elf32_Addr (*) (int)) value) (GLRO(dl_hwcap)); - *reloc_addr = value; - break; -#endif - default: - _dl_reloc_bad_type (map, r_type, 0); - break; - } - } -} -# endif static inline void __attribute__ ((always_inline)) @@ -547,16 +457,6 @@ elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc, *reloc_addr += l_addr; } -# ifndef RTLD_BOOTSTRAP -static inline void -__attribute__ ((always_inline)) -elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc, - void *const reloc_addr_arg) -{ - Elf32_Addr *const reloc_addr = reloc_addr_arg; - *reloc_addr = l_addr + reloc->r_addend; -} -# endif static inline void __attribute__ ((always_inline)) -- cgit 1.4.1