Add Nios II arch flags and compatibility tests
2015-07-01 Sandra Loosemore <sandra@codesourcery.com> Cesar Philippidis <cesar@codesourcery.com> bfd/ * archures.c (bfd_mach_nios2r1, bfd_mach_nios2r2): New. * bfd-in2.h: Regenerated. * cpu-nios2.c (nios2_compatible): New. (N): Use nios2_compatible instead of bfd_default_compatible. (NIOS2R1_NEXT, NIOS2R2_NEXT): Define. (arch_info_struct): New. (bfd_nios2_arch): Chain to NIOS2R1_NEXT. * elf32-nios2.c (is_nios2_elf): New. (nios2_elf32_merge_private_bfd_data): New. (nios2_elf32_object_p): New. (bfd_elf32_bfd_merge_private_bfd_data): Define. (elf_backend_object_p): Define. gas/ * config/tc-nios2.c: Adjust includes. (OPTION_MARCH): Define. (md_longopts): Add -march option. (nios2_architecture): New. (nios2_use_arch): New. (md_parse_option): Handle OPTION_MARCH. (md_show_usage): Document -march. (md_begin): Set arch in BFD. (nios2_elf_final_processing): New. * config/tc-nios2.h (elf_tc_final_processing): Define. (nios2_elf_final_processing): New. * doc/c-nios2.texi (-march): Add documentation. include/elf/ * nios2.h (EF_NIOS2_ARCH_R1, EF_NIOS2_ARCH_R2): Define. ld/testsuite/ * ld-nios2/mixed1a.d: New. * ld-nios2/mixed1a.s: New. * ld-nios2/mixed1b.d: New. * ld-nios2/mixed1b.s: New. * ld-nios2/nios2.exp: Build the new compatibility tests.
This commit is contained in:
Sandra Loosemore
parent
dfc87947b5
commit
965b1d8083
@ -1,3 +1,19 @@
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2015-07-01 Sandra Loosemore <sandra@codesourcery.com>
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Cesar Philippidis <cesar@codesourcery.com>
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* archures.c (bfd_mach_nios2r1, bfd_mach_nios2r2): New.
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* bfd-in2.h: Regenerated.
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* cpu-nios2.c (nios2_compatible): New.
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(N): Use nios2_compatible instead of bfd_default_compatible.
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(NIOS2R1_NEXT, NIOS2R2_NEXT): Define.
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(arch_info_struct): New.
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(bfd_nios2_arch): Chain to NIOS2R1_NEXT.
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* elf32-nios2.c (is_nios2_elf): New.
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(nios2_elf32_merge_private_bfd_data): New.
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(nios2_elf32_object_p): New.
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(bfd_elf32_bfd_merge_private_bfd_data): Define.
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(elf_backend_object_p): Define.
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2015-07-01 H.J. Lu <hongjiu.lu@intel.com>
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* elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Refactor.
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@ -501,8 +501,10 @@ DESCRIPTION
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. bfd_arch_aarch64, {* AArch64 *}
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.#define bfd_mach_aarch64 0
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.#define bfd_mach_aarch64_ilp32 32
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. bfd_arch_nios2,
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.#define bfd_mach_nios2 0
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. bfd_arch_nios2, {* Nios II *}
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.#define bfd_mach_nios2 0
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.#define bfd_mach_nios2r1 1
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.#define bfd_mach_nios2r2 2
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. bfd_arch_visium, {* Visium *}
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.#define bfd_mach_visium 1
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. bfd_arch_last
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@ -2294,8 +2294,10 @@ enum bfd_architecture
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bfd_arch_aarch64, /* AArch64 */
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#define bfd_mach_aarch64 0
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#define bfd_mach_aarch64_ilp32 32
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bfd_arch_nios2,
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#define bfd_mach_nios2 0
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bfd_arch_nios2, /* Nios II */
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#define bfd_mach_nios2 0
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#define bfd_mach_nios2r1 1
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#define bfd_mach_nios2r2 2
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bfd_arch_visium, /* Visium */
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#define bfd_mach_visium 1
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bfd_arch_last
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@ -24,6 +24,26 @@
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#include "bfd.h"
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#include "libbfd.h"
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static const bfd_arch_info_type *
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nios2_compatible (const bfd_arch_info_type *a,
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const bfd_arch_info_type *b)
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{
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if (a->arch != b->arch)
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return NULL;
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if (a->bits_per_word != b->bits_per_word)
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return NULL;
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if (a->mach == bfd_mach_nios2)
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return a;
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else if (b->mach == bfd_mach_nios2)
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return b;
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else if (a->mach != b->mach)
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return NULL;
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return a;
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}
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#define N(BITS_WORD, BITS_ADDR, NUMBER, PRINT, DEFAULT, NEXT) \
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{ \
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BITS_WORD, /* bits in a word */ \
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@ -35,10 +55,20 @@
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PRINT, \
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3, \
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DEFAULT, \
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bfd_default_compatible, \
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nios2_compatible, \
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bfd_default_scan, \
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bfd_arch_default_fill, \
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NEXT \
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}
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const bfd_arch_info_type bfd_nios2_arch = N (32, 32, 0, "nios2", TRUE, NULL);
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#define NIOS2R1_NEXT &arch_info_struct[0]
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#define NIOS2R2_NEXT &arch_info_struct[1]
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static const bfd_arch_info_type arch_info_struct[] =
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{
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N (32, 32, bfd_mach_nios2r1, "nios2:r1", FALSE, NIOS2R2_NEXT),
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N (32, 32, bfd_mach_nios2r2, "nios2:r2", FALSE, NULL),
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};
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const bfd_arch_info_type bfd_nios2_arch =
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N (32, 32, 0, "nios2", TRUE, NIOS2R1_NEXT);
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@ -2038,6 +2038,72 @@ nios2_elf32_build_stubs (struct bfd_link_info *info)
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}
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#define is_nios2_elf(bfd) \
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(bfd_get_flavour (bfd) == bfd_target_elf_flavour \
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&& elf_object_id (bfd) == NIOS2_ELF_DATA)
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/* Merge backend specific data from an object file to the output
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object file when linking. */
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static bfd_boolean
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nios2_elf32_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
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{
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flagword old_flags;
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flagword new_flags;
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if (!is_nios2_elf (ibfd) || !is_nios2_elf (obfd))
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return TRUE;
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/* Check if we have the same endianness. */
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if (! _bfd_generic_verify_endian_match (ibfd, obfd))
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return FALSE;
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new_flags = elf_elfheader (ibfd)->e_flags;
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old_flags = elf_elfheader (obfd)->e_flags;
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if (!elf_flags_init (obfd))
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{
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/* First call, no flags set. */
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elf_flags_init (obfd) = TRUE;
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elf_elfheader (obfd)->e_flags = new_flags;
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switch (new_flags)
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{
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default:
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case EF_NIOS2_ARCH_R1:
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bfd_default_set_arch_mach (obfd, bfd_arch_nios2, bfd_mach_nios2r1);
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break;
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case EF_NIOS2_ARCH_R2:
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if (bfd_big_endian (ibfd))
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{
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(*_bfd_error_handler)
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(_("error: %B: Big-endian R2 is not supported."), ibfd);
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bfd_set_error (bfd_error_bad_value);
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return FALSE;
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}
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bfd_default_set_arch_mach (obfd, bfd_arch_nios2, bfd_mach_nios2r2);
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break;
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}
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}
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/* Incompatible flags. */
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else if (new_flags != old_flags)
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{
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/* So far, the only incompatible flags denote incompatible
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architectures. */
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(*_bfd_error_handler)
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(_("error: %B: Conflicting CPU architectures %d/%d"),
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ibfd, new_flags, old_flags);
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bfd_set_error (bfd_error_bad_value);
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return FALSE;
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}
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/* Merge Tag_compatibility attributes and any common GNU ones. */
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_bfd_elf_merge_object_attributes (ibfd, obfd);
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return TRUE;
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}
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/* Implement bfd_elf32_bfd_reloc_type_lookup:
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Given a BFD reloc type, return a howto structure. */
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static reloc_howto_type *
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@ -3707,6 +3773,29 @@ nios2_elf32_copy_indirect_symbol (struct bfd_link_info *info,
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_bfd_elf_link_hash_copy_indirect (info, dir, ind);
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}
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/* Set the right machine number for a NIOS2 ELF file. */
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static bfd_boolean
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nios2_elf32_object_p (bfd *abfd)
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{
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unsigned long mach;
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mach = elf_elfheader (abfd)->e_flags;
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switch (mach)
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{
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default:
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case EF_NIOS2_ARCH_R1:
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bfd_default_set_arch_mach (abfd, bfd_arch_nios2, bfd_mach_nios2r1);
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break;
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case EF_NIOS2_ARCH_R2:
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bfd_default_set_arch_mach (abfd, bfd_arch_nios2, bfd_mach_nios2r2);
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break;
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}
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return TRUE;
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}
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/* Implement elf_backend_check_relocs:
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Look through the relocs for a section during the first phase. */
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static bfd_boolean
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@ -5256,6 +5345,9 @@ const struct bfd_elf_special_section elf32_nios2_special_sections[] =
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#define bfd_elf32_bfd_link_hash_table_create \
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nios2_elf32_link_hash_table_create
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#define bfd_elf32_bfd_merge_private_bfd_data \
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nios2_elf32_merge_private_bfd_data
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/* Relocation table lookup macros. */
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#define bfd_elf32_bfd_reloc_type_lookup nios2_elf32_bfd_reloc_type_lookup
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@ -5292,6 +5384,7 @@ const struct bfd_elf_special_section elf32_nios2_special_sections[] =
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#define elf_backend_size_dynamic_sections nios2_elf32_size_dynamic_sections
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#define elf_backend_add_symbol_hook nios2_elf_add_symbol_hook
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#define elf_backend_copy_indirect_symbol nios2_elf32_copy_indirect_symbol
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#define elf_backend_object_p nios2_elf32_object_p
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#define elf_backend_grok_prstatus nios2_grok_prstatus
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#define elf_backend_grok_psinfo nios2_grok_psinfo
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@ -1,3 +1,19 @@
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2015-07-01 Sandra Loosemore <sandra@codesourcery.com>
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Cesar Philippidis <cesar@codesourcery.com>
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* config/tc-nios2.c: Adjust includes.
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(OPTION_MARCH): Define.
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(md_longopts): Add -march option.
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(nios2_architecture): New.
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(nios2_use_arch): New.
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(md_parse_option): Handle OPTION_MARCH.
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(md_show_usage): Document -march.
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(md_begin): Set arch in BFD.
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(nios2_elf_final_processing): New.
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* config/tc-nios2.h (elf_tc_final_processing): Define.
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(nios2_elf_final_processing): New.
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* doc/c-nios2.texi (-march): Add documentation.
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2015-06-30 Amit Pawar <Amit.Pawar@amd.com>
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* config/tc-i386.c (cpu_arch): Add .mwaitx.
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@ -25,6 +25,7 @@
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#include "elf/nios2.h"
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#include "tc-nios2.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "dwarf2dbg.h"
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#include "subsegs.h"
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#include "safe-ctype.h"
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@ -80,7 +81,9 @@ struct option md_longopts[] = {
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#define OPTION_EB (OPTION_MD_BASE + 3)
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{"EB", no_argument, NULL, OPTION_EB},
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#define OPTION_EL (OPTION_MD_BASE + 4)
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{"EL", no_argument, NULL, OPTION_EL}
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{"EL", no_argument, NULL, OPTION_EL},
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#define OPTION_MARCH (OPTION_MD_BASE + 5)
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{"march", required_argument, NULL, OPTION_MARCH}
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};
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size_t md_longopts_size = sizeof (md_longopts);
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@ -212,6 +215,9 @@ static symbolS *nios2_last_label;
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symbolS *GOT_symbol;
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#endif
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/* The processor architecture value, EF_NIOS2_ARCH_R1 by default. */
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static int nios2_architecture = EF_NIOS2_ARCH_R1;
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/** Utility routines. */
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/* Function md_chars_to_number takes the sequence of
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@ -2209,6 +2215,34 @@ output_movia (nios2_insn_infoS *insn)
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/** External interfaces. */
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/* Update the selected architecture based on ARCH, giving an error if
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ARCH is an invalid value. */
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static void
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nios2_use_arch (const char *arch)
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{
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if (strcmp (arch, "nios2") == 0 || strcmp (arch, "r1") == 0)
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{
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nios2_architecture |= EF_NIOS2_ARCH_R1;
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nios2_opcodes = (struct nios2_opcode *) nios2_r1_opcodes;
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nios2_num_opcodes = nios2_num_r1_opcodes;
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nop32 = nop_r1;
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nop16 = NULL;
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return;
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}
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else if (strcmp (arch, "r2") == 0)
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{
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nios2_architecture |= EF_NIOS2_ARCH_R2;
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nios2_opcodes = (struct nios2_opcode *) nios2_r2_opcodes;
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nios2_num_opcodes = nios2_num_r2_opcodes;
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nop32 = nop_r2;
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nop16 = nop_r2_cdx;
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return;
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}
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as_bad (_("unknown architecture '%s'"), arch);
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}
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/* The following functions are called by machine-independent parts of
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the assembler. */
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int
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@ -2235,6 +2269,9 @@ md_parse_option (int c, char *arg ATTRIBUTE_UNUSED)
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case OPTION_EL:
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target_big_endian = 0;
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break;
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case OPTION_MARCH:
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nios2_use_arch (arg);
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break;
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default:
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return 0;
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break;
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@ -2262,9 +2299,11 @@ md_show_usage (FILE *stream)
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"branches with jmp sequences (default)\n"
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" -no-relax do not replace any branches or calls\n"
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" -EB force big-endian byte ordering\n"
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" -EL force little-endian byte ordering\n");
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" -EL force little-endian byte ordering\n"
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" -march=ARCH enable instructions from architecture ARCH\n");
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}
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/* This function is called once, at assembler startup time.
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It should set up all the tables, etc. that the MD part of the
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assembler will need. */
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@ -2274,6 +2313,19 @@ md_begin (void)
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int i;
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const char *inserted;
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switch (nios2_architecture)
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{
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default:
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case EF_NIOS2_ARCH_R1:
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bfd_default_set_arch_mach (stdoutput, bfd_arch_nios2, bfd_mach_nios2r1);
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break;
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case EF_NIOS2_ARCH_R2:
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if (target_big_endian)
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as_fatal (_("Big-endian R2 is not supported."));
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bfd_default_set_arch_mach (stdoutput, bfd_arch_nios2, bfd_mach_nios2r2);
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break;
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}
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/* Create and fill a hashtable for the Nios II opcodes, registers and
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arguments. */
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nios2_opcode_hash = hash_new ();
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@ -2747,3 +2799,13 @@ nios2_frame_initial_instructions (void)
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{
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cfi_add_CFA_def_cfa (27, 0);
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}
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#ifdef OBJ_ELF
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/* Some special processing for a Nios II ELF file. */
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void
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nios2_elf_final_processing (void)
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{
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elf_elfheader (stdoutput)->e_flags = nios2_architecture;
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}
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#endif
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@ -118,4 +118,7 @@ extern int nios2_regname_to_dw2regnum (char *regname);
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#define tc_cfi_frame_initial_instructions nios2_frame_initial_instructions
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extern void nios2_frame_initial_instructions (void);
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#define elf_tc_final_processing nios2_elf_final_processing
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extern void nios2_elf_final_processing (void);
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#endif /* TC_NIOS2 */
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@ -58,6 +58,16 @@ Generate big-endian output.
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@item -EL
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Generate little-endian output. This is the default.
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@cindex @code{march} command line option, Nios II
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@item -march=@var{architecture}
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This option specifies the target architecture. The assembler issues
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an error message if an attempt is made to assemble an instruction which
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will not execute on the target architecture. The following architecture
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names are recognized:
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@code{r1},
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@code{r2}.
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The default is @code{r1}.
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@end table
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@c man end
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@ -1,3 +1,8 @@
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2015-07-01 Sandra Loosemore <sandra@codesourcery.com>
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Cesar Philippidis <cesar@codesourcery.com>
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* nios2.h (EF_NIOS2_ARCH_R1, EF_NIOS2_ARCH_R2): Define.
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2015-05-29 Roland McGrath <mcgrathr@google.com>
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* common.h (GNU_ABI_TAG_SYLLABLE): New macro.
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@ -93,4 +93,9 @@ END_RELOC_NUMBERS (R_NIOS2_maxext)
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/* Address of _gp. */
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#define DT_NIOS2_GP 0x70000002
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||||
|
||||
/* Processor specific flags for the Elf header e_flags field. */
|
||||
|
||||
#define EF_NIOS2_ARCH_R1 0x00000000
|
||||
#define EF_NIOS2_ARCH_R2 0x00000001
|
||||
|
||||
#endif /* _ELF_NIOS2_H */
|
||||
|
||||
@ -1,3 +1,12 @@
|
||||
2015-07-01 Sandra Loosemore <sandra@codesourcery.com>
|
||||
Cesar Philippidis <cesar@codesourcery.com>
|
||||
|
||||
* ld-nios2/mixed1a.d: New.
|
||||
* ld-nios2/mixed1a.s: New.
|
||||
* ld-nios2/mixed1b.d: New.
|
||||
* ld-nios2/mixed1b.s: New.
|
||||
* ld-nios2/nios2.exp: Build the new compatibility tests.
|
||||
|
||||
2015-06-27 H.J. Lu <hongjiu.lu@intel.com>
|
||||
|
||||
* ld-xtensa/tlsbin.rd: Updated.
|
||||
|
||||
9
ld/testsuite/ld-nios2/mixed1a.d
Normal file
9
ld/testsuite/ld-nios2/mixed1a.d
Normal file
@ -0,0 +1,9 @@
|
||||
#name: NIOS2 mixed1a
|
||||
#source: mixed1a.s
|
||||
#as: -march=r2
|
||||
#readelf: -h
|
||||
|
||||
ELF Header:
|
||||
#...
|
||||
Flags: 0x1
|
||||
#...
|
||||
9
ld/testsuite/ld-nios2/mixed1a.s
Normal file
9
ld/testsuite/ld-nios2/mixed1a.s
Normal file
@ -0,0 +1,9 @@
|
||||
# Test linking incompatible object file types.
|
||||
|
||||
.text
|
||||
.global _start
|
||||
_start:
|
||||
movhi r2, %hiadj(foo)
|
||||
addi r2, r2, %lo(foo)
|
||||
ldw r2, 0(r2)
|
||||
cmpeq r2, r2, zero
|
||||
9
ld/testsuite/ld-nios2/mixed1b.d
Normal file
9
ld/testsuite/ld-nios2/mixed1b.d
Normal file
@ -0,0 +1,9 @@
|
||||
#name: NIOS2 mixed1b
|
||||
#source: mixed1b.s
|
||||
#as: -march=r1
|
||||
#readelf: -h
|
||||
|
||||
ELF Header:
|
||||
#...
|
||||
Flags: 0x0
|
||||
#...
|
||||
3
ld/testsuite/ld-nios2/mixed1b.s
Normal file
3
ld/testsuite/ld-nios2/mixed1b.s
Normal file
@ -0,0 +1,3 @@
|
||||
# Test linking incompatible object file types.
|
||||
|
||||
.comm foo,4,4
|
||||
@ -1,7 +1,31 @@
|
||||
if { ! [istarget nios2-*-*] } {
|
||||
return
|
||||
return
|
||||
}
|
||||
|
||||
foreach test [lsort [glob -nocomplain $srcdir/$subdir/*.d]] {
|
||||
run_dump_test [file rootname $test]
|
||||
}
|
||||
|
||||
global link_output
|
||||
global ld
|
||||
|
||||
set test_name "NIOS2 Mixed R1 and R2 objects"
|
||||
set test mixed1
|
||||
|
||||
if ![ld_assemble $as "-march=r1 $srcdir/$subdir/${test}a.s" tmpdir/${test}a.o] {
|
||||
unresolved "Build mixed1a.o"
|
||||
return
|
||||
}
|
||||
|
||||
if ![ld_assemble $as "-march=r2 $srcdir/$subdir/${test}b.s" tmpdir/${test}b.o] {
|
||||
unresolved "Build mixed1b.o"
|
||||
return
|
||||
}
|
||||
|
||||
if { ![ld_simple_link $ld tmpdir/$test "tmpdir/${test}a.o tmpdir/${test}b.o"] } {
|
||||
if [string match "*architecture * is incompatible*" $link_output] {
|
||||
pass "$test_name"
|
||||
} {
|
||||
fail "$test_name"
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user