aarch64 bfd.h tidy
bfd/ * bfd-in.h: Move aarch64 declarations and defines.. * cpu-aarch64.h: ..to here, new file.. * elfxx-aarch64.h: ..and here. * cpu-aarch64.c: Include cpu-aarch64.h. * elfnn-aarch64.c: Likewise. * bfd-in2.h: Regenerate. ld/ * emultempl/aarch64elf.em: Include elfxx-aarch64.h.
This commit is contained in:
Alan Modra
parent
c348479ddd
commit
a8bfaadbb4
@ -1,3 +1,12 @@
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2019-09-23 Alan Modra <amodra@gmail.com>
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* bfd-in.h: Move aarch64 declarations and defines..
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* cpu-aarch64.h: ..to here, new file..
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* elfxx-aarch64.h: ..and here.
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* cpu-aarch64.c: Include cpu-aarch64.h.
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* elfnn-aarch64.c: Likewise.
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* bfd-in2.h: Regenerate.
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2019-09-23 Alan Modra <amodra@gmail.com>
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* bfd-in.h: Delete ticoff function declarations.
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86
bfd/bfd-in.h
86
bfd/bfd-in.h
@ -907,89 +907,3 @@ extern bfd_boolean elf32_arm_fix_exidx_coverage
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/* C6x unwind section editing support. */
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extern bfd_boolean elf32_tic6x_fix_exidx_coverage
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(struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
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extern void bfd_elf64_aarch64_init_maps
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(bfd *);
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extern void bfd_elf32_aarch64_init_maps
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(bfd *);
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/* Types of PLTs based on the level of security. This would be a
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bit-mask to denote which of the combinations of security features
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are enabled:
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- No security feature PLTs
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- PLTs with BTI instruction
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- PLTs with PAC instruction
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*/
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typedef enum
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{
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PLT_NORMAL = 0x0, /* Normal plts. */
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PLT_BTI = 0x1, /* plts with bti. */
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PLT_PAC = 0x2, /* plts with pointer authentication. */
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PLT_BTI_PAC = PLT_BTI | PLT_PAC
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} aarch64_plt_type;
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/* To indicate if BTI is enabled with/without warning. */
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typedef enum
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{
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BTI_NONE = 0, /* BTI is not enabled. */
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BTI_WARN = 1, /* BTI is enabled with -z force-bti. */
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} aarch64_enable_bti_type;
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/* A structure to encompass all information coming from BTI or PAC
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related command line options. This involves the "PLT_TYPE" to determine
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which version of PLTs to pick and "BTI_TYPE" to determine if
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BTI should be turned on with any warnings. */
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typedef struct
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{
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aarch64_plt_type plt_type;
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aarch64_enable_bti_type bti_type;
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} aarch64_bti_pac_info;
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/* An enum to define what kind of erratum fixes we should apply. This gives the
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user a bit more control over the sequences we generate. */
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typedef enum
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{
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ERRAT_NONE = (1 << 0), /* No erratum workarounds allowed. */
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ERRAT_ADR = (1 << 1), /* Erratum workarounds using ADR allowed. */
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ERRAT_ADRP = (1 << 2), /* Erratum workarounds using ADRP are allowed. */
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} erratum_84319_opts;
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extern void bfd_elf64_aarch64_set_options
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(bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
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aarch64_bti_pac_info);
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extern void bfd_elf32_aarch64_set_options
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(bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
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aarch64_bti_pac_info);
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/* ELF AArch64 mapping symbol support. */
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#define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP (1 << 0)
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#define BFD_AARCH64_SPECIAL_SYM_TYPE_TAG (1 << 1)
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#define BFD_AARCH64_SPECIAL_SYM_TYPE_OTHER (1 << 2)
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#define BFD_AARCH64_SPECIAL_SYM_TYPE_ANY (~0)
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extern bfd_boolean bfd_is_aarch64_special_symbol_name
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(const char * name, int type);
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/* AArch64 stub generation support for ELF64. Called from the linker. */
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extern int elf64_aarch64_setup_section_lists
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(bfd *, struct bfd_link_info *);
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extern void elf64_aarch64_next_input_section
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(struct bfd_link_info *, struct bfd_section *);
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extern bfd_boolean elf64_aarch64_size_stubs
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(bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
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struct bfd_section * (*) (const char *, struct bfd_section *),
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void (*) (void));
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extern bfd_boolean elf64_aarch64_build_stubs
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(struct bfd_link_info *);
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/* AArch64 stub generation support for ELF32. Called from the linker. */
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extern int elf32_aarch64_setup_section_lists
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(bfd *, struct bfd_link_info *);
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extern void elf32_aarch64_next_input_section
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(struct bfd_link_info *, struct bfd_section *);
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extern bfd_boolean elf32_aarch64_size_stubs
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(bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
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struct bfd_section * (*) (const char *, struct bfd_section *),
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void (*) (void));
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extern bfd_boolean elf32_aarch64_build_stubs
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(struct bfd_link_info *);
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@ -914,92 +914,6 @@ extern bfd_boolean elf32_arm_fix_exidx_coverage
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/* C6x unwind section editing support. */
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extern bfd_boolean elf32_tic6x_fix_exidx_coverage
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(struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
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extern void bfd_elf64_aarch64_init_maps
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(bfd *);
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extern void bfd_elf32_aarch64_init_maps
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(bfd *);
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/* Types of PLTs based on the level of security. This would be a
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bit-mask to denote which of the combinations of security features
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are enabled:
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- No security feature PLTs
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- PLTs with BTI instruction
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- PLTs with PAC instruction
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*/
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typedef enum
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{
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PLT_NORMAL = 0x0, /* Normal plts. */
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PLT_BTI = 0x1, /* plts with bti. */
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PLT_PAC = 0x2, /* plts with pointer authentication. */
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PLT_BTI_PAC = PLT_BTI | PLT_PAC
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} aarch64_plt_type;
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/* To indicate if BTI is enabled with/without warning. */
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typedef enum
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{
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BTI_NONE = 0, /* BTI is not enabled. */
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BTI_WARN = 1, /* BTI is enabled with -z force-bti. */
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} aarch64_enable_bti_type;
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/* A structure to encompass all information coming from BTI or PAC
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related command line options. This involves the "PLT_TYPE" to determine
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which version of PLTs to pick and "BTI_TYPE" to determine if
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BTI should be turned on with any warnings. */
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typedef struct
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{
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aarch64_plt_type plt_type;
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aarch64_enable_bti_type bti_type;
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} aarch64_bti_pac_info;
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/* An enum to define what kind of erratum fixes we should apply. This gives the
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user a bit more control over the sequences we generate. */
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typedef enum
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{
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ERRAT_NONE = (1 << 0), /* No erratum workarounds allowed. */
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ERRAT_ADR = (1 << 1), /* Erratum workarounds using ADR allowed. */
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ERRAT_ADRP = (1 << 2), /* Erratum workarounds using ADRP are allowed. */
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} erratum_84319_opts;
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extern void bfd_elf64_aarch64_set_options
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(bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
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aarch64_bti_pac_info);
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extern void bfd_elf32_aarch64_set_options
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(bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
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aarch64_bti_pac_info);
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/* ELF AArch64 mapping symbol support. */
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#define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP (1 << 0)
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#define BFD_AARCH64_SPECIAL_SYM_TYPE_TAG (1 << 1)
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#define BFD_AARCH64_SPECIAL_SYM_TYPE_OTHER (1 << 2)
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#define BFD_AARCH64_SPECIAL_SYM_TYPE_ANY (~0)
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extern bfd_boolean bfd_is_aarch64_special_symbol_name
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(const char * name, int type);
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/* AArch64 stub generation support for ELF64. Called from the linker. */
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extern int elf64_aarch64_setup_section_lists
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(bfd *, struct bfd_link_info *);
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extern void elf64_aarch64_next_input_section
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(struct bfd_link_info *, struct bfd_section *);
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extern bfd_boolean elf64_aarch64_size_stubs
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(bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
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struct bfd_section * (*) (const char *, struct bfd_section *),
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void (*) (void));
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extern bfd_boolean elf64_aarch64_build_stubs
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(struct bfd_link_info *);
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/* AArch64 stub generation support for ELF32. Called from the linker. */
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extern int elf32_aarch64_setup_section_lists
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(bfd *, struct bfd_link_info *);
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extern void elf32_aarch64_next_input_section
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(struct bfd_link_info *, struct bfd_section *);
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extern bfd_boolean elf32_aarch64_size_stubs
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(bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
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struct bfd_section * (*) (const char *, struct bfd_section *),
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void (*) (void));
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extern bfd_boolean elf32_aarch64_build_stubs
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(struct bfd_link_info *);
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/* Extracted from init.c. */
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unsigned int bfd_init (void);
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@ -22,6 +22,7 @@
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#include "bfd.h"
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#include "libbfd.h"
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#include "libiberty.h"
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#include "cpu-aarch64.h"
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/* This routine is provided two arch_infos and works out which Aarch64
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machine which would be compatible with both and returns a pointer
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25
bfd/cpu-aarch64.h
Normal file
25
bfd/cpu-aarch64.h
Normal file
@ -0,0 +1,25 @@
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/* ELF AArch64 mapping symbol support
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Copyright (C) 2019 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING3. If not,
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see <http://www.gnu.org/licenses/>. */
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#define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP (1 << 0)
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#define BFD_AARCH64_SPECIAL_SYM_TYPE_TAG (1 << 1)
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#define BFD_AARCH64_SPECIAL_SYM_TYPE_OTHER (1 << 2)
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#define BFD_AARCH64_SPECIAL_SYM_TYPE_ANY (~0)
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extern bfd_boolean bfd_is_aarch64_special_symbol_name
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(const char * name, int type);
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@ -144,6 +144,7 @@
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#include "objalloc.h"
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#include "elf/aarch64.h"
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#include "elfxx-aarch64.h"
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#include "cpu-aarch64.h"
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#define ARCH_SIZE NN
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@ -18,6 +18,84 @@
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along with this program; see the file COPYING3. If not,
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see <http://www.gnu.org/licenses/>. */
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extern void bfd_elf64_aarch64_init_maps
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(bfd *);
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extern void bfd_elf32_aarch64_init_maps
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(bfd *);
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/* Types of PLTs based on the level of security. This would be a
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bit-mask to denote which of the combinations of security features
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are enabled:
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- No security feature PLTs
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- PLTs with BTI instruction
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- PLTs with PAC instruction
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*/
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typedef enum
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{
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PLT_NORMAL = 0x0, /* Normal plts. */
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PLT_BTI = 0x1, /* plts with bti. */
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PLT_PAC = 0x2, /* plts with pointer authentication. */
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PLT_BTI_PAC = PLT_BTI | PLT_PAC
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} aarch64_plt_type;
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/* To indicate if BTI is enabled with/without warning. */
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typedef enum
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{
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BTI_NONE = 0, /* BTI is not enabled. */
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BTI_WARN = 1, /* BTI is enabled with -z force-bti. */
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} aarch64_enable_bti_type;
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/* A structure to encompass all information coming from BTI or PAC
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related command line options. This involves the "PLT_TYPE" to determine
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which version of PLTs to pick and "BTI_TYPE" to determine if
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BTI should be turned on with any warnings. */
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typedef struct
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{
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aarch64_plt_type plt_type;
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aarch64_enable_bti_type bti_type;
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} aarch64_bti_pac_info;
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/* An enum to define what kind of erratum fixes we should apply. This gives the
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user a bit more control over the sequences we generate. */
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typedef enum
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{
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ERRAT_NONE = (1 << 0), /* No erratum workarounds allowed. */
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ERRAT_ADR = (1 << 1), /* Erratum workarounds using ADR allowed. */
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ERRAT_ADRP = (1 << 2), /* Erratum workarounds using ADRP are allowed. */
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} erratum_84319_opts;
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extern void bfd_elf64_aarch64_set_options
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(bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
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aarch64_bti_pac_info);
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extern void bfd_elf32_aarch64_set_options
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(bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
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aarch64_bti_pac_info);
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/* AArch64 stub generation support for ELF64. Called from the linker. */
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extern int elf64_aarch64_setup_section_lists
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(bfd *, struct bfd_link_info *);
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extern void elf64_aarch64_next_input_section
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(struct bfd_link_info *, struct bfd_section *);
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extern bfd_boolean elf64_aarch64_size_stubs
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(bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
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struct bfd_section * (*) (const char *, struct bfd_section *),
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void (*) (void));
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extern bfd_boolean elf64_aarch64_build_stubs
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(struct bfd_link_info *);
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/* AArch64 stub generation support for ELF32. Called from the linker. */
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extern int elf32_aarch64_setup_section_lists
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(bfd *, struct bfd_link_info *);
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extern void elf32_aarch64_next_input_section
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(struct bfd_link_info *, struct bfd_section *);
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extern bfd_boolean elf32_aarch64_size_stubs
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(bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
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struct bfd_section * (*) (const char *, struct bfd_section *),
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void (*) (void));
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extern bfd_boolean elf32_aarch64_build_stubs
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(struct bfd_link_info *);
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/* Take the PAGE component of an address or offset. */
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#define PG(x) ((x) & ~ (bfd_vma) 0xfff)
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#define PG_OFFSET(x) ((x) & (bfd_vma) 0xfff)
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@ -1,3 +1,7 @@
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2019-09-23 Alan Modra <amodra@gmail.com>
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* emultempl/aarch64elf.em: Include elfxx-aarch64.h.
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2019-09-23 Alan Modra <amodra@gmail.com>
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* emultempl/ia64elf.em: Include elfxx-ia64.h.
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@ -26,6 +26,7 @@ fragment <<EOF
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#include "ldctor.h"
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#include "elf/aarch64.h"
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#include "elfxx-aarch64.h"
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static int no_enum_size_warning = 0;
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static int no_wchar_size_warning = 0;
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Block a user