From d66a510d9bc25d82d0a419f9e1389e78c0d773f3 Mon Sep 17 00:00:00 2001 From: Yufeng Zhang Date: Wed, 26 Jun 2013 10:41:41 +0000 Subject: [AArch64, ILP32] 2/6 Parametrize elfnn-aarch64.c and add basic support in ld and gas. bfd/ * Makefile.am (BFD64_BACKENDS): Add elf32-aarch64.lo. (BUILD_CFILES): Add elf32-aarch64.c. (elf32-aarch64.c): New rule for generating from elfnn-aarch64.c. * Makefile.in: Re-generated. * archures.c (bfd_mach_aarch64_ilp32): New define. * bfd-in.h (bfd_elf32_aarch64_init_maps): New declaration. (bfd_elf32_aarch64_set_options): Ditto. (elf32_aarch64_setup_section_lists): Ditto. (elf32_aarch64_next_input_section): Ditto. (elf32_aarch64_size_stubs): Ditto. (elf32_aarch64_build_stubs): Ditto. * bfd-in2.h: Re-generated. * config.bfd (aarch64-*-elf): Add bfd_elf32_littleaarch64_vec and bfd_elf32_bigaarch64_vec. (aarch64-*-linux*): Likewise. (aarch64_be-*-elf): Likewise. (aarch64_be-*-linux*): Likewise. * configure.in (bfd_elf32_bigaarch64_vec) (bfd_elf32_littleaarch64_vec): New. * configure: Re-generated. * cpu-aarch64.c (compatible): Don't allow mixing ilp32 objects with lp64 ones. (bfd_aarch64_arch_ilp32): New. (bfd_aarch64_arch): Link to bfd_aarch64_arch_ilp32. * elfnn-aarch64.c (ARCH_SIZE): New define. (AARCH64_R, AARCH64_R_STR, LOG_FILE_ALIGN): New defines. (GOT_ENTRY_SIZE): Re-define as (ARCH_SIZE / 8). (elf64_aarch64_*): Rename to elfNN_aarch64_*. (ELF64_R_*): Rename to ELFNN_R_*. Plus other paramaterization. * targets.c (bfd_elf32_bigaarch64_vec, bfd_elf32_littleaarch64_vec): New declarations. (_bfd_target_vector): Add bfd_elf32_bigaarch64_vec and bfd_elf32_littleaarch64_vec. gas/ * config/tc-aarch64.c (ilp32_p): New static variable. (elf64_aarch64_target_format): Return the target according to the value of 'ilp32_p'. (md_begin): Determine 'mach' according to the value of 'ilp32_p'. (aarch64_opts): Add support for options '-milp32' and '-mlp64'. (aarch64_dwarf2_addr_size): New function. * config/tc-aarch64.h (aarch64_dwarf2_addr_size): New declaration. (DWARF2_ADDR_SIZE): New define. ld/ * Makefile.am (ALL_64_EMULATION_SOURCES): Add eaarch64elf32.c. (eaarch64elf32.c): New dependency and rule. * Makefile.in: Re-generated. * configure.tgt (aarch64-*-elf): Add aarch64elf32. (aarch64_be-*-elf, aarch64_be-*-linux*, aarch64-*-linux*): Likewise. * emulparams/aarch64elf32.sh: New file. --- bfd/bfd-in2.h | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) (limited to 'bfd/bfd-in2.h') diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index a20abc0af7..e4a5dccf8e 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -940,9 +940,15 @@ extern unsigned int _bfd_elf_ppc_at_tprel_transform extern void bfd_elf64_aarch64_init_maps (bfd *); +extern void bfd_elf32_aarch64_init_maps + (bfd *); + extern void bfd_elf64_aarch64_set_options (bfd *, struct bfd_link_info *, int, int, int); +extern void bfd_elf32_aarch64_set_options + (bfd *, struct bfd_link_info *, int, int, int); + /* ELF AArch64 mapping symbol support. */ #define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP (1 << 0) #define BFD_AARCH64_SPECIAL_SYM_TYPE_TAG (1 << 1) @@ -951,7 +957,7 @@ extern void bfd_elf64_aarch64_set_options extern bfd_boolean bfd_is_aarch64_special_symbol_name (const char * name, int type); -/* AArch64 stub generation support. Called from the linker. */ +/* AArch64 stub generation support for ELF64. Called from the linker. */ extern int elf64_aarch64_setup_section_lists (bfd *, struct bfd_link_info *); extern void elf64_aarch64_next_input_section @@ -962,6 +968,18 @@ extern bfd_boolean elf64_aarch64_size_stubs void (*) (void)); extern bfd_boolean elf64_aarch64_build_stubs (struct bfd_link_info *); +/* AArch64 stub generation support for ELF32. Called from the linker. */ +extern int elf32_aarch64_setup_section_lists + (bfd *, struct bfd_link_info *); +extern void elf32_aarch64_next_input_section + (struct bfd_link_info *, struct bfd_section *); +extern bfd_boolean elf32_aarch64_size_stubs + (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma, + struct bfd_section * (*) (const char *, struct bfd_section *), + void (*) (void)); +extern bfd_boolean elf32_aarch64_build_stubs + (struct bfd_link_info *); + /* TI COFF load page support. */ extern void bfd_ticoff_set_section_load_page @@ -2214,6 +2232,7 @@ enum bfd_architecture #define bfd_mach_tilegx32 2 bfd_arch_aarch64, /* AArch64 */ #define bfd_mach_aarch64 0 +#define bfd_mach_aarch64_ilp32 32 bfd_arch_nios2, #define bfd_mach_nios2 0 bfd_arch_last -- cgit v1.2.1