1 /* 32-bit ELF support for ARM 2 Copyright (C) 2019-2024 Free Software Foundation, Inc. 3 4 This file is part of BFD, the Binary File Descriptor library. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21 22 /* ARM VFP11 erratum workaround support. */ 23 typedef enum 24 { 25 BFD_ARM_VFP11_FIX_DEFAULT, 26 BFD_ARM_VFP11_FIX_NONE, 27 BFD_ARM_VFP11_FIX_SCALAR, 28 BFD_ARM_VFP11_FIX_VECTOR 29 } bfd_arm_vfp11_fix; 30 31 extern void bfd_elf32_arm_init_maps 32 (bfd *); 33 34 extern void bfd_elf32_arm_set_vfp11_fix 35 (bfd *, struct bfd_link_info *); 36 37 extern void bfd_elf32_arm_set_cortex_a8_fix 38 (bfd *, struct bfd_link_info *); 39 40 extern bool bfd_elf32_arm_vfp11_erratum_scan 41 (bfd *, struct bfd_link_info *); 42 43 extern void bfd_elf32_arm_vfp11_fix_veneer_locations 44 (bfd *, struct bfd_link_info *); 45 46 /* ARM STM STM32L4XX erratum workaround support. */ 47 typedef enum 48 { 49 BFD_ARM_STM32L4XX_FIX_NONE, 50 BFD_ARM_STM32L4XX_FIX_DEFAULT, 51 BFD_ARM_STM32L4XX_FIX_ALL 52 } bfd_arm_stm32l4xx_fix; 53 54 extern void bfd_elf32_arm_set_stm32l4xx_fix 55 (bfd *, struct bfd_link_info *); 56 57 extern bool bfd_elf32_arm_stm32l4xx_erratum_scan 58 (bfd *, struct bfd_link_info *); 59 60 extern void bfd_elf32_arm_stm32l4xx_fix_veneer_locations 61 (bfd *, struct bfd_link_info *); 62 63 /* ELF ARM Interworking support. Called from linker. */ 64 extern bool bfd_elf32_arm_allocate_interworking_sections 65 (struct bfd_link_info *); 66 67 extern bool bfd_elf32_arm_process_before_allocation 68 (bfd *, struct bfd_link_info *); 69 70 struct elf32_arm_params { 71 char *thumb_entry_symbol; 72 int byteswap_code; 73 int target1_is_rel; 74 char * target2_type; 75 int fix_v4bx; 76 int use_blx; 77 bfd_arm_vfp11_fix vfp11_denorm_fix; 78 bfd_arm_stm32l4xx_fix stm32l4xx_fix; 79 int no_enum_size_warning; 80 int no_wchar_size_warning; 81 int pic_veneer; 82 int fix_cortex_a8; 83 int fix_arm1176; 84 int merge_exidx_entries; 85 int cmse_implib; 86 bfd *in_implib_bfd; 87 }; 88 89 void bfd_elf32_arm_set_target_params 90 (bfd *, struct bfd_link_info *, struct elf32_arm_params *); 91 92 extern bool bfd_elf32_arm_get_bfd_for_interworking 93 (bfd *, struct bfd_link_info *); 94 95 extern bool bfd_elf32_arm_add_glue_sections_to_bfd 96 (bfd *, struct bfd_link_info *); 97 98 extern void bfd_elf32_arm_keep_private_stub_output_sections 99 (struct bfd_link_info *); 100 101 extern void bfd_elf32_arm_set_byteswap_code 102 (struct bfd_link_info *, int); 103 104 extern void bfd_elf32_arm_use_long_plt (void); 105 106 /* ARM stub generation support. Called from the linker. */ 107 extern int elf32_arm_setup_section_lists 108 (bfd *, struct bfd_link_info *); 109 extern void elf32_arm_next_input_section 110 (struct bfd_link_info *, struct bfd_section *); 111 extern bool elf32_arm_size_stubs 112 (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma, 113 struct bfd_section * (*) (const char *, struct bfd_section *, 114 struct bfd_section *, unsigned int), 115 void (*) (void)); 116 extern bool elf32_arm_build_stubs 117 (struct bfd_link_info *); 118 119 /* ARM unwind section editing support. */ 120 extern bool elf32_arm_fix_exidx_coverage 121 (struct bfd_section **, unsigned int, struct bfd_link_info *, bool); 122
Indexes created Mon Mar 02 05:31:46 UTC 2026