include/elf/
* common.h (STT_IFUNC): Define.
elfcpp/
* elfcpp.h (enum STT): Add STT_IFUNC.
bfd/
* syms.c (struct bfd_symbol): Add new flag BSF_INDIRECT_FUNCTION.
Remove redundant flag BFD_FORT_COMM_DEFAULT_VALUE. Renumber flags
to remove gaps.
(bfd_print_symbol_vandf): Return 'i' for BSF_INDIRECT_FUNCTION.
(bfd_decode_symclass): Likewise.
* elf.c (swap_out_syms): Translate BSF_INDIRECT_FUNCTION into
STT_IFUNC.
(elf_find_function): Treat STT_IFUNC in the same way as STT_FUNC.
(_bfd_elf_is_function_type): Likewise.
* elf32-arm.c (arm_elf_find_function): Likewise.
(elf32_arm_adjust_dynamic_symbol): Likewise.
(elf32_arm_swap_symbol_in): Likewise.
(elf32_arm_additional_program_headers): Likewise.
* elf32-i386.c (is_indirect_symbol): New function.
(elf_i386_check_relocs): Also generate dynamic relocs for
relocations against STT_IFUNC symbols.
(allocate_dynrelocs): Likewise.
(elf_i386_relocate_section): Likewise.
* elf64-x86-64.c (is_indirect_symbol): New function.
(elf64_x86_64_check_relocs): Also generate dynamic relocs for
relocations against STT_IFUNC symbols.
(allocate_dynrelocs): Likewise.
(elf64_x86_64_relocate_section): Likewise.
* elfcode.h (elf_slurp_symbol_table): Translate STT_IFUNC into
BSF_INDIRECT_FUNCTION.
* elflink.c (_bfd_elf_adjust_dynamic_reloc_section): Add support
for STT_IFUNC symbols.
(get_ifunc_reloc_section_name): New function.
(_bfd_elf_make_ifunc_reloc_section): New function.
* elf-bfd.h (struct bfd_elf_section_data): Add indirect_relocs field.
* bfd-in2.h: Regenerate.
gas/
* config/obj-elf.c (obj_elf_type): Add support for STT_IFUNC type.
* doc/as.texinfo: Document new feature.
* NEWS: Mention new feature.
gas/testsuite/
* gas/elf/type.s: Add test of STT_IFUNC symbol type.
* gas/elf/type.e: Update expected disassembly.
* gas/elf/elf.exp: Update grep of symbol types.
ld/
* NEWS: Mention new feature.
* pe-dll.c (process_def_file): Replace use of redundant
BFD_FORT_COMM_DEFAULT_VALUE with 0.
* scripttempl/elf.sc: Add .rel.ifunc.dyn and .rela.ifunc.dyn
sections.
ld/testsuite/
* ld-mips-elf/reloc-1-n32.d: Updated expected output for reloc
descriptions.
* ld-mips-elf/reloc-1-n64.d: Likewise.
* ld-i386/ifunc.d: New test.
* ld-i386/ifunc.s: Source file for the new test.
* ld-i386/i386.exp: Run the new test.
This commit is contained in:
Nick Clifton
parent
5d73705c26
commit
e7c3341679
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@ -1,3 +1,37 @@
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2008-12-03 Nick Clifton <nickc@redhat.com>
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* syms.c (struct bfd_symbol): Add new flag BSF_INDIRECT_FUNCTION.
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Remove redundant flag BFD_FORT_COMM_DEFAULT_VALUE. Renumber flags
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to remove gaps.
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(bfd_print_symbol_vandf): Return 'i' for BSF_INDIRECT_FUNCTION.
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(bfd_decode_symclass): Likewise.
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* elf.c (swap_out_syms): Translate BSF_INDIRECT_FUNCTION into
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STT_IFUNC.
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(elf_find_function): Treat STT_IFUNC in the same way as STT_FUNC.
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(_bfd_elf_is_function_type): Likewise.
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* elf32-arm.c (arm_elf_find_function): Likewise.
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(elf32_arm_adjust_dynamic_symbol): Likewise.
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(elf32_arm_swap_symbol_in): Likewise.
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(elf32_arm_additional_program_headers): Likewise.
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* elf32-i386.c (is_indirect_symbol): New function.
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(elf_i386_check_relocs): Also generate dynamic relocs for
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relocations against STT_IFUNC symbols.
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(allocate_dynrelocs): Likewise.
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(elf_i386_relocate_section): Likewise.
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* elf64-x86-64.c (is_indirect_symbol): New function.
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(elf64_x86_64_check_relocs): Also generate dynamic relocs for
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relocations against STT_IFUNC symbols.
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(allocate_dynrelocs): Likewise.
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(elf64_x86_64_relocate_section): Likewise.
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* elfcode.h (elf_slurp_symbol_table): Translate STT_IFUNC into
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BSF_INDIRECT_FUNCTION.
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* elflink.c (_bfd_elf_adjust_dynamic_reloc_section): Add support
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for STT_IFUNC symbols.
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(get_ifunc_reloc_section_name): New function.
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(_bfd_elf_make_ifunc_reloc_section): New function.
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* elf-bfd.h (struct bfd_elf_section_data): Add indirect_relocs field.
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* bfd-in2.h: Regenerate.
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2008-12-02 Tristan Gingold <gingold@adacore.com>
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* config.bfd: Add x86_64-*-darwin*
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@ -4445,100 +4445,104 @@ typedef struct bfd_symbol
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symvalue value;
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/* Attributes of a symbol. */
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#define BSF_NO_FLAGS 0x00
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#define BSF_NO_FLAGS 0x00
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/* The symbol has local scope; <<static>> in <<C>>. The value
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is the offset into the section of the data. */
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#define BSF_LOCAL 0x01
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#define BSF_LOCAL (1 << 0)
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/* The symbol has global scope; initialized data in <<C>>. The
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value is the offset into the section of the data. */
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#define BSF_GLOBAL 0x02
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#define BSF_GLOBAL (1 << 1)
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/* The symbol has global scope and is exported. The value is
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the offset into the section of the data. */
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#define BSF_EXPORT BSF_GLOBAL /* No real difference. */
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/* A normal C symbol would be one of:
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<<BSF_LOCAL>>, <<BSF_FORT_COMM>>, <<BSF_UNDEFINED>> or
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<<BSF_LOCAL>>, <<BSF_COMMON>>, <<BSF_UNDEFINED>> or
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<<BSF_GLOBAL>>. */
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/* The symbol is a debugging record. The value has an arbitrary
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meaning, unless BSF_DEBUGGING_RELOC is also set. */
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#define BSF_DEBUGGING 0x08
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#define BSF_DEBUGGING (1 << 2)
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/* The symbol denotes a function entry point. Used in ELF,
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perhaps others someday. */
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#define BSF_FUNCTION 0x10
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#define BSF_FUNCTION (1 << 3)
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/* The symbol is an indirect code object. Unrelated to BSF_INDIRECT.
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Relocations against a symbol with this flag have to evaluated at
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run-time, where the function pointed to by this symbol is invoked
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in order to determine the value to be used in the relocation.
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BSF_FUNCTION must also be set for symbols with this flag. */
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#define BSF_INDIRECT_FUNCTION (1 << 4)
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/* Used by the linker. */
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#define BSF_KEEP 0x20
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#define BSF_KEEP_G 0x40
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#define BSF_KEEP (1 << 5)
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#define BSF_KEEP_G (1 << 6)
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/* A weak global symbol, overridable without warnings by
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a regular global symbol of the same name. */
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#define BSF_WEAK 0x80
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#define BSF_WEAK (1 << 7)
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/* This symbol was created to point to a section, e.g. ELF's
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STT_SECTION symbols. */
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#define BSF_SECTION_SYM 0x100
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#define BSF_SECTION_SYM (1 << 8)
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/* The symbol used to be a common symbol, but now it is
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allocated. */
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#define BSF_OLD_COMMON 0x200
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/* The default value for common data. */
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#define BFD_FORT_COMM_DEFAULT_VALUE 0
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#define BSF_OLD_COMMON (1 << 9)
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/* In some files the type of a symbol sometimes alters its
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location in an output file - ie in coff a <<ISFCN>> symbol
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which is also <<C_EXT>> symbol appears where it was
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declared and not at the end of a section. This bit is set
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by the target BFD part to convey this information. */
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#define BSF_NOT_AT_END 0x400
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#define BSF_NOT_AT_END (1 << 10)
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/* Signal that the symbol is the label of constructor section. */
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#define BSF_CONSTRUCTOR 0x800
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#define BSF_CONSTRUCTOR (1 << 11)
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/* Signal that the symbol is a warning symbol. The name is a
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warning. The name of the next symbol is the one to warn about;
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if a reference is made to a symbol with the same name as the next
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symbol, a warning is issued by the linker. */
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#define BSF_WARNING 0x1000
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#define BSF_WARNING (1 << 12)
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/* Signal that the symbol is indirect. This symbol is an indirect
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pointer to the symbol with the same name as the next symbol. */
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#define BSF_INDIRECT 0x2000
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#define BSF_INDIRECT (1 << 13)
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/* BSF_FILE marks symbols that contain a file name. This is used
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for ELF STT_FILE symbols. */
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#define BSF_FILE 0x4000
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#define BSF_FILE (1 << 14)
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/* Symbol is from dynamic linking information. */
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#define BSF_DYNAMIC 0x8000
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#define BSF_DYNAMIC (1 << 15)
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/* The symbol denotes a data object. Used in ELF, and perhaps
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others someday. */
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#define BSF_OBJECT 0x10000
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#define BSF_OBJECT (1 << 16)
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/* This symbol is a debugging symbol. The value is the offset
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into the section of the data. BSF_DEBUGGING should be set
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as well. */
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#define BSF_DEBUGGING_RELOC 0x20000
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#define BSF_DEBUGGING_RELOC (1 << 17)
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/* This symbol is thread local. Used in ELF. */
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#define BSF_THREAD_LOCAL 0x40000
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#define BSF_THREAD_LOCAL (1 << 18)
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/* This symbol represents a complex relocation expression,
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with the expression tree serialized in the symbol name. */
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#define BSF_RELC 0x80000
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#define BSF_RELC (1 << 19)
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/* This symbol represents a signed complex relocation expression,
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with the expression tree serialized in the symbol name. */
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#define BSF_SRELC 0x100000
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#define BSF_SRELC (1 << 20)
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/* This symbol was created by bfd_get_synthetic_symtab. */
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#define BSF_SYNTHETIC 0x200000
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#define BSF_SYNTHETIC (1 << 21)
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flagword flags;
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@ -1287,6 +1287,9 @@ struct bfd_elf_section_data
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/* A pointer to the bfd section used for dynamic relocs. */
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asection *sreloc;
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/* A pointer to the bfd section used for dynamic relocs against ifunc symbols. */
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asection *indirect_relocs;
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union {
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/* Group name, if this section is a member of a group. */
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const char *name;
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@ -1768,6 +1771,8 @@ extern asection * _bfd_elf_get_dynamic_reloc_section
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(bfd *, asection *, bfd_boolean);
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extern asection * _bfd_elf_make_dynamic_reloc_section
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(asection *, bfd *, unsigned int, bfd *, bfd_boolean);
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extern asection * _bfd_elf_make_ifunc_reloc_section
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(bfd *, asection *, bfd *, unsigned int);
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extern long _bfd_elf_get_dynamic_reloc_upper_bound
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(bfd *);
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extern long _bfd_elf_canonicalize_dynamic_reloc
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@ -6427,6 +6427,8 @@ Unable to find equivalent output section for symbol '%s' from section '%s'"),
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if ((flags & BSF_THREAD_LOCAL) != 0)
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type = STT_TLS;
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else if ((flags & BSF_INDIRECT_FUNCTION) != 0)
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type = STT_IFUNC;
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else if ((flags & BSF_FUNCTION) != 0)
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type = STT_FUNC;
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else if ((flags & BSF_OBJECT) != 0)
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@ -7120,6 +7122,7 @@ elf_find_function (bfd *abfd ATTRIBUTE_UNUSED,
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continue;
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case STT_NOTYPE:
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case STT_FUNC:
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case STT_IFUNC:
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if (bfd_get_section (&q->symbol) == section
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&& q->symbol.value >= low_func
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&& q->symbol.value <= offset)
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@ -8938,10 +8941,10 @@ _bfd_elf_set_osabi (bfd * abfd,
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/* Return TRUE for ELF symbol types that represent functions.
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This is the default version of this function, which is sufficient for
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most targets. It returns true if TYPE is STT_FUNC. */
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most targets. It returns true if TYPE is STT_FUNC or STT_IFUNC. */
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bfd_boolean
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_bfd_elf_is_function_type (unsigned int type)
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{
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return (type == STT_FUNC);
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return (type == STT_FUNC || type == STT_IFUNC);
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}
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@ -9430,6 +9430,7 @@ arm_elf_find_function (bfd * abfd ATTRIBUTE_UNUSED,
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filename = bfd_asymbol_name (&q->symbol);
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break;
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case STT_FUNC:
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case STT_IFUNC:
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case STT_ARM_TFUNC:
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case STT_NOTYPE:
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/* Skip mapping symbols. */
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@ -9555,7 +9556,7 @@ elf32_arm_adjust_dynamic_symbol (struct bfd_link_info * info,
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/* If this is a function, put it in the procedure linkage table. We
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will fill in the contents of the procedure linkage table later,
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when we know the address of the .got section. */
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if (h->type == STT_FUNC || h->type == STT_ARM_TFUNC
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if (h->type == STT_FUNC || h->type == STT_ARM_TFUNC || h->type == STT_IFUNC
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|| h->needs_plt)
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{
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if (h->plt.refcount <= 0
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@ -11729,7 +11730,8 @@ elf32_arm_swap_symbol_in (bfd * abfd,
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/* New EABI objects mark thumb function symbols by setting the low bit of
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the address. Turn these into STT_ARM_TFUNC. */
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if (ELF_ST_TYPE (dst->st_info) == STT_FUNC
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if ((ELF_ST_TYPE (dst->st_info) == STT_FUNC
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|| ELF_ST_TYPE (dst->st_info) == STT_IFUNC)
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&& (dst->st_value & 1))
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{
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dst->st_info = ELF_ST_INFO (ELF_ST_BIND (dst->st_info), STT_ARM_TFUNC);
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@ -11830,7 +11832,7 @@ elf32_arm_additional_program_headers (bfd *abfd,
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static bfd_boolean
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elf32_arm_is_function_type (unsigned int type)
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{
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return (type == STT_FUNC) || (type == STT_ARM_TFUNC);
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return (type == STT_FUNC) || (type == STT_ARM_TFUNC) || (type == STT_IFUNC);
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}
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/* We use this to override swap_symbol_in and swap_symbol_out. */
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@ -1193,6 +1193,26 @@ elf_i386_tls_transition (struct bfd_link_info *info, bfd *abfd,
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return TRUE;
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}
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/* Returns true if the hash entry refers to a symbol
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marked for indirect handling during reloc processing. */
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static bfd_boolean
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is_indirect_symbol (bfd * abfd, struct elf_link_hash_entry * h)
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{
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const struct elf_backend_data * bed;
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if (abfd == NULL || h == NULL)
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return FALSE;
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bed = get_elf_backend_data (abfd);
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return h->type == STT_IFUNC
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&& bed != NULL
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&& (bed->elf_osabi == ELFOSABI_LINUX
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/* GNU/Linux is still using the default value 0. */
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|| bed->elf_osabi == ELFOSABI_NONE);
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}
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/* Look through the relocs for a section during the first phase, and
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calculate needed space in the global offset table, procedure linkage
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table, and dynamic reloc sections. */
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@ -1452,7 +1472,8 @@ elf_i386_check_relocs (bfd *abfd,
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&& (sec->flags & SEC_ALLOC) != 0
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&& h != NULL
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&& (h->root.type == bfd_link_hash_defweak
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||||
|| !h->def_regular)))
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|| !h->def_regular))
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|| is_indirect_symbol (abfd, h))
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{
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struct elf_i386_dyn_relocs *p;
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struct elf_i386_dyn_relocs **head;
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@ -1472,6 +1493,9 @@ elf_i386_check_relocs (bfd *abfd,
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return FALSE;
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}
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if (is_indirect_symbol (abfd, h))
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(void) _bfd_elf_make_ifunc_reloc_section (abfd, sec, htab->elf.dynobj, 2);
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/* If this is a global symbol, we count the number of
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relocations we need for this symbol. */
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if (h != NULL)
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@ -2033,6 +2057,15 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
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}
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}
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}
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else if (is_indirect_symbol (info->output_bfd, h))
|
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{
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if (h->dynindx == -1
|
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&& !h->forced_local)
|
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{
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if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
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return FALSE;
|
||||
}
|
||||
}
|
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else if (ELIMINATE_COPY_RELOCS)
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{
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/* For the non-shared case, discard space for relocs against
|
||||
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@ -2069,7 +2102,15 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
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/* Finally, allocate space. */
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for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
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{
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asection *sreloc = elf_section_data (p->sec)->sreloc;
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asection *sreloc;
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|
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if (! info->shared
|
||||
&& is_indirect_symbol (info->output_bfd, h))
|
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sreloc = elf_section_data (p->sec)->indirect_relocs;
|
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else
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sreloc = elf_section_data (p->sec)->sreloc;
|
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|
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BFD_ASSERT (sreloc != NULL);
|
||||
sreloc->size += p->count * sizeof (Elf32_External_Rel);
|
||||
}
|
||||
|
||||
|
|
@ -2248,7 +2289,7 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|
|||
|
||||
/* Allocate global sym .plt and .got entries, and space for global
|
||||
sym dynamic relocs. */
|
||||
elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
|
||||
elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
|
||||
|
||||
/* For every jump slot reserved in the sgotplt, reloc_count is
|
||||
incremented. However, when we reserve space for TLS descriptors,
|
||||
|
|
@ -2361,8 +2402,7 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|
|||
/* If any dynamic relocs apply to a read-only section,
|
||||
then we need a DT_TEXTREL entry. */
|
||||
if ((info->flags & DF_TEXTREL) == 0)
|
||||
elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
|
||||
(PTR) info);
|
||||
elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info);
|
||||
|
||||
if ((info->flags & DF_TEXTREL) != 0)
|
||||
{
|
||||
|
|
@ -2879,7 +2919,8 @@ elf_i386_relocate_section (bfd *output_bfd,
|
|||
&& ((h->def_dynamic
|
||||
&& !h->def_regular)
|
||||
|| h->root.type == bfd_link_hash_undefweak
|
||||
|| h->root.type == bfd_link_hash_undefined)))
|
||||
|| h->root.type == bfd_link_hash_undefined))
|
||||
|| is_indirect_symbol (output_bfd, h))
|
||||
{
|
||||
Elf_Internal_Rela outrel;
|
||||
bfd_byte *loc;
|
||||
|
|
@ -2919,19 +2960,23 @@ elf_i386_relocate_section (bfd *output_bfd,
|
|||
outrel.r_info = ELF32_R_INFO (0, R_386_RELATIVE);
|
||||
}
|
||||
|
||||
sreloc = elf_section_data (input_section)->sreloc;
|
||||
if (sreloc == NULL)
|
||||
abort ();
|
||||
if ((! info->shared) && is_indirect_symbol (output_bfd, h))
|
||||
sreloc = elf_section_data (input_section)->indirect_relocs;
|
||||
else
|
||||
sreloc = elf_section_data (input_section)->sreloc;
|
||||
|
||||
BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL);
|
||||
|
||||
loc = sreloc->contents;
|
||||
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rel);
|
||||
|
||||
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
||||
|
||||
/* If this reloc is against an external symbol, we do
|
||||
not want to fiddle with the addend. Otherwise, we
|
||||
need to include the symbol value so that it becomes
|
||||
an addend for the dynamic reloc. */
|
||||
if (! relocate)
|
||||
if (! relocate || is_indirect_symbol (output_bfd, h))
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -974,6 +974,26 @@ elf64_x86_64_tls_transition (struct bfd_link_info *info, bfd *abfd,
|
|||
return TRUE;
|
||||
}
|
||||
|
||||
/* Returns true if the hash entry refers to a symbol
|
||||
marked for indirect handling during reloc processing. */
|
||||
|
||||
static bfd_boolean
|
||||
is_indirect_symbol (bfd * abfd, struct elf_link_hash_entry * h)
|
||||
{
|
||||
const struct elf_backend_data * bed;
|
||||
|
||||
if (abfd == NULL || h == NULL)
|
||||
return FALSE;
|
||||
|
||||
bed = get_elf_backend_data (abfd);
|
||||
|
||||
return h->type == STT_IFUNC
|
||||
&& bed != NULL
|
||||
&& (bed->elf_osabi == ELFOSABI_LINUX
|
||||
/* GNU/Linux is still using the default value 0. */
|
||||
|| bed->elf_osabi == ELFOSABI_NONE);
|
||||
}
|
||||
|
||||
/* Look through the relocs for a section during the first phase, and
|
||||
calculate needed space in the global offset table, procedure
|
||||
linkage table, and dynamic reloc sections. */
|
||||
|
|
@ -1255,7 +1275,10 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info,
|
|||
If on the other hand, we are creating an executable, we
|
||||
may need to keep relocations for symbols satisfied by a
|
||||
dynamic library if we manage to avoid copy relocs for the
|
||||
symbol. */
|
||||
symbol.
|
||||
|
||||
Also we must keep any relocations against IFUNC symbols as
|
||||
they will be evaluated at load time. */
|
||||
if ((info->shared
|
||||
&& (sec->flags & SEC_ALLOC) != 0
|
||||
&& (((r_type != R_X86_64_PC8)
|
||||
|
|
@ -1271,7 +1294,8 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info,
|
|||
&& (sec->flags & SEC_ALLOC) != 0
|
||||
&& h != NULL
|
||||
&& (h->root.type == bfd_link_hash_defweak
|
||||
|| !h->def_regular)))
|
||||
|| !h->def_regular))
|
||||
|| is_indirect_symbol (abfd, h))
|
||||
{
|
||||
struct elf64_x86_64_dyn_relocs *p;
|
||||
struct elf64_x86_64_dyn_relocs **head;
|
||||
|
|
@ -1291,6 +1315,9 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info,
|
|||
return FALSE;
|
||||
}
|
||||
|
||||
if (is_indirect_symbol (abfd, h))
|
||||
(void) _bfd_elf_make_ifunc_reloc_section (abfd, sec, htab->elf.dynobj, 2);
|
||||
|
||||
/* If this is a global symbol, we count the number of
|
||||
relocations we need for this symbol. */
|
||||
if (h != NULL)
|
||||
|
|
@ -1830,6 +1857,13 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
|
|||
}
|
||||
}
|
||||
}
|
||||
else if (is_indirect_symbol (info->output_bfd, h))
|
||||
{
|
||||
if (h->dynindx == -1
|
||||
&& ! h->forced_local
|
||||
&& ! bfd_elf_link_record_dynamic_symbol (info, h))
|
||||
return FALSE;
|
||||
}
|
||||
else if (ELIMINATE_COPY_RELOCS)
|
||||
{
|
||||
/* For the non-shared case, discard space for relocs against
|
||||
|
|
@ -1866,7 +1900,16 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
|
|||
/* Finally, allocate space. */
|
||||
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
||||
{
|
||||
asection *sreloc = elf_section_data (p->sec)->sreloc;
|
||||
asection * sreloc;
|
||||
|
||||
if (! info->shared
|
||||
&& is_indirect_symbol (info->output_bfd, h))
|
||||
sreloc = elf_section_data (p->sec)->indirect_relocs;
|
||||
else
|
||||
sreloc = elf_section_data (p->sec)->sreloc;
|
||||
|
||||
BFD_ASSERT (sreloc != NULL);
|
||||
|
||||
sreloc->size += p->count * sizeof (Elf64_External_Rela);
|
||||
}
|
||||
|
||||
|
|
@ -1970,7 +2013,6 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|
|||
srel->size += p->count * sizeof (Elf64_External_Rela);
|
||||
if ((p->sec->output_section->flags & SEC_READONLY) != 0)
|
||||
info->flags |= DF_TEXTREL;
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -2039,7 +2081,7 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|
|||
|
||||
/* Allocate global sym .plt and .got entries, and space for global
|
||||
sym dynamic relocs. */
|
||||
elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
|
||||
elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
|
||||
|
||||
/* For every jump slot reserved in the sgotplt, reloc_count is
|
||||
incremented. However, when we reserve space for TLS descriptors,
|
||||
|
|
@ -2170,8 +2212,7 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|
|||
/* If any dynamic relocs apply to a read-only section,
|
||||
then we need a DT_TEXTREL entry. */
|
||||
if ((info->flags & DF_TEXTREL) == 0)
|
||||
elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
|
||||
(PTR) info);
|
||||
elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info);
|
||||
|
||||
if ((info->flags & DF_TEXTREL) != 0)
|
||||
{
|
||||
|
|
@ -2680,7 +2721,8 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
|
|||
&& ((h->def_dynamic
|
||||
&& !h->def_regular)
|
||||
|| h->root.type == bfd_link_hash_undefweak
|
||||
|| h->root.type == bfd_link_hash_undefined)))
|
||||
|| h->root.type == bfd_link_hash_undefined))
|
||||
|| is_indirect_symbol (output_bfd, h))
|
||||
{
|
||||
Elf_Internal_Rela outrel;
|
||||
bfd_byte *loc;
|
||||
|
|
@ -2766,9 +2808,12 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
|
|||
}
|
||||
}
|
||||
|
||||
sreloc = elf_section_data (input_section)->sreloc;
|
||||
if (sreloc == NULL)
|
||||
abort ();
|
||||
if ((! info->shared) && is_indirect_symbol (output_bfd, h))
|
||||
sreloc = elf_section_data (input_section)->indirect_relocs;
|
||||
else
|
||||
sreloc = elf_section_data (input_section)->sreloc;
|
||||
|
||||
BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL);
|
||||
|
||||
loc = sreloc->contents;
|
||||
loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela);
|
||||
|
|
@ -2778,7 +2823,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
|
|||
not want to fiddle with the addend. Otherwise, we
|
||||
need to include the symbol value so that it becomes
|
||||
an addend for the dynamic reloc. */
|
||||
if (! relocate)
|
||||
if (! relocate || is_indirect_symbol (output_bfd, h))
|
||||
continue;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1311,6 +1311,9 @@ elf_slurp_symbol_table (bfd *abfd, asymbol **symptrs, bfd_boolean dynamic)
|
|||
case STT_SRELC:
|
||||
sym->symbol.flags |= BSF_SRELC;
|
||||
break;
|
||||
case STT_IFUNC:
|
||||
sym->symbol.flags |= BSF_INDIRECT_FUNCTION;
|
||||
break;
|
||||
}
|
||||
|
||||
if (dynamic)
|
||||
|
|
|
|||
|
|
@ -2652,6 +2652,13 @@ _bfd_elf_adjust_dynamic_symbol (struct elf_link_hash_entry *h, void *data)
|
|||
|
||||
dynobj = elf_hash_table (eif->info)->dynobj;
|
||||
bed = get_elf_backend_data (dynobj);
|
||||
|
||||
if (h->type == STT_IFUNC
|
||||
&& (bed->elf_osabi == ELFOSABI_LINUX
|
||||
/* GNU/Linux is still using the default value 0. */
|
||||
|| bed->elf_osabi == ELFOSABI_NONE))
|
||||
h->needs_plt = 1;
|
||||
|
||||
if (! (*bed->elf_backend_adjust_dynamic_symbol) (eif->info, h))
|
||||
{
|
||||
eif->failed = TRUE;
|
||||
|
|
@ -12400,3 +12407,71 @@ _bfd_elf_make_dynamic_reloc_section (asection * sec,
|
|||
|
||||
return reloc_sec;
|
||||
}
|
||||
|
||||
#define IFUNC_INFIX ".ifunc"
|
||||
|
||||
/* Returns the name of the ifunc-using-dynamic-reloc section associated with SEC. */
|
||||
|
||||
static const char *
|
||||
get_ifunc_reloc_section_name (bfd * abfd,
|
||||
asection * sec)
|
||||
{
|
||||
const char * dot;
|
||||
char * name;
|
||||
const char * base_name;
|
||||
unsigned int strndx = elf_elfheader (abfd)->e_shstrndx;
|
||||
unsigned int shnam = elf_section_data (sec)->rel_hdr.sh_name;
|
||||
|
||||
base_name = bfd_elf_string_from_elf_section (abfd, strndx, shnam);
|
||||
if (base_name == NULL)
|
||||
return NULL;
|
||||
|
||||
dot = strchr (base_name + 1, '.');
|
||||
name = bfd_alloc (abfd, strlen (base_name) + strlen (IFUNC_INFIX) + 1);
|
||||
sprintf (name, "%.*s%s%s", (int)(dot - base_name), base_name, IFUNC_INFIX, dot);
|
||||
|
||||
return name;
|
||||
}
|
||||
|
||||
/* Like _bfd_elf_make_dynamic_reloc_section but it creates a
|
||||
section for holding relocs against symbols with the STT_IFUNC
|
||||
type. The section is attached to the OWNER bfd but it is created
|
||||
with a name based on SEC from ABFD. */
|
||||
|
||||
asection *
|
||||
_bfd_elf_make_ifunc_reloc_section (bfd * abfd,
|
||||
asection * sec,
|
||||
bfd * owner,
|
||||
unsigned int align)
|
||||
{
|
||||
asection * reloc_sec = elf_section_data (sec)->indirect_relocs;
|
||||
|
||||
if (reloc_sec == NULL)
|
||||
{
|
||||
const char * name = get_ifunc_reloc_section_name (abfd, sec);
|
||||
|
||||
if (name == NULL)
|
||||
return NULL;
|
||||
|
||||
reloc_sec = bfd_get_section_by_name (owner, name);
|
||||
|
||||
if (reloc_sec == NULL)
|
||||
{
|
||||
flagword flags;
|
||||
|
||||
flags = (SEC_HAS_CONTENTS | SEC_READONLY | SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
||||
if ((sec->flags & SEC_ALLOC) != 0)
|
||||
flags |= SEC_ALLOC | SEC_LOAD;
|
||||
|
||||
reloc_sec = bfd_make_section_with_flags (owner, name, flags);
|
||||
|
||||
if (reloc_sec != NULL
|
||||
&& ! bfd_set_section_alignment (owner, reloc_sec, align))
|
||||
reloc_sec = NULL;
|
||||
}
|
||||
|
||||
elf_section_data (sec)->indirect_relocs = reloc_sec;
|
||||
}
|
||||
|
||||
return reloc_sec;
|
||||
}
|
||||
|
|
|
|||
62
bfd/syms.c
62
bfd/syms.c
|
|
@ -1,6 +1,6 @@
|
|||
/* Generic symbol-table support for the BFD library.
|
||||
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
|
||||
2000, 2001, 2002, 2003, 2004, 2007
|
||||
2000, 2001, 2002, 2003, 2004, 2007, 2008
|
||||
Free Software Foundation, Inc.
|
||||
Written by Cygnus Support.
|
||||
|
||||
|
|
@ -205,100 +205,104 @@ CODE_FRAGMENT
|
|||
. symvalue value;
|
||||
.
|
||||
. {* Attributes of a symbol. *}
|
||||
.#define BSF_NO_FLAGS 0x00
|
||||
.#define BSF_NO_FLAGS 0x00
|
||||
.
|
||||
. {* The symbol has local scope; <<static>> in <<C>>. The value
|
||||
. is the offset into the section of the data. *}
|
||||
.#define BSF_LOCAL 0x01
|
||||
.#define BSF_LOCAL (1 << 0)
|
||||
.
|
||||
. {* The symbol has global scope; initialized data in <<C>>. The
|
||||
. value is the offset into the section of the data. *}
|
||||
.#define BSF_GLOBAL 0x02
|
||||
.#define BSF_GLOBAL (1 << 1)
|
||||
.
|
||||
. {* The symbol has global scope and is exported. The value is
|
||||
. the offset into the section of the data. *}
|
||||
.#define BSF_EXPORT BSF_GLOBAL {* No real difference. *}
|
||||
.
|
||||
. {* A normal C symbol would be one of:
|
||||
. <<BSF_LOCAL>>, <<BSF_FORT_COMM>>, <<BSF_UNDEFINED>> or
|
||||
. <<BSF_LOCAL>>, <<BSF_COMMON>>, <<BSF_UNDEFINED>> or
|
||||
. <<BSF_GLOBAL>>. *}
|
||||
.
|
||||
. {* The symbol is a debugging record. The value has an arbitrary
|
||||
. meaning, unless BSF_DEBUGGING_RELOC is also set. *}
|
||||
.#define BSF_DEBUGGING 0x08
|
||||
.#define BSF_DEBUGGING (1 << 2)
|
||||
.
|
||||
. {* The symbol denotes a function entry point. Used in ELF,
|
||||
. perhaps others someday. *}
|
||||
.#define BSF_FUNCTION 0x10
|
||||
.#define BSF_FUNCTION (1 << 3)
|
||||
.
|
||||
. {* The symbol is an indirect code object. Unrelated to BSF_INDIRECT.
|
||||
. Relocations against a symbol with this flag have to evaluated at
|
||||
. run-time, where the function pointed to by this symbol is invoked
|
||||
. in order to determine the value to be used in the relocation.
|
||||
. BSF_FUNCTION must also be set for symbols with this flag. *}
|
||||
.#define BSF_INDIRECT_FUNCTION (1 << 4)
|
||||
.
|
||||
. {* Used by the linker. *}
|
||||
.#define BSF_KEEP 0x20
|
||||
.#define BSF_KEEP_G 0x40
|
||||
.#define BSF_KEEP (1 << 5)
|
||||
.#define BSF_KEEP_G (1 << 6)
|
||||
.
|
||||
. {* A weak global symbol, overridable without warnings by
|
||||
. a regular global symbol of the same name. *}
|
||||
.#define BSF_WEAK 0x80
|
||||
.#define BSF_WEAK (1 << 7)
|
||||
.
|
||||
. {* This symbol was created to point to a section, e.g. ELF's
|
||||
. STT_SECTION symbols. *}
|
||||
.#define BSF_SECTION_SYM 0x100
|
||||
.#define BSF_SECTION_SYM (1 << 8)
|
||||
.
|
||||
. {* The symbol used to be a common symbol, but now it is
|
||||
. allocated. *}
|
||||
.#define BSF_OLD_COMMON 0x200
|
||||
.
|
||||
. {* The default value for common data. *}
|
||||
.#define BFD_FORT_COMM_DEFAULT_VALUE 0
|
||||
.#define BSF_OLD_COMMON (1 << 9)
|
||||
.
|
||||
. {* In some files the type of a symbol sometimes alters its
|
||||
. location in an output file - ie in coff a <<ISFCN>> symbol
|
||||
. which is also <<C_EXT>> symbol appears where it was
|
||||
. declared and not at the end of a section. This bit is set
|
||||
. by the target BFD part to convey this information. *}
|
||||
.#define BSF_NOT_AT_END 0x400
|
||||
.#define BSF_NOT_AT_END (1 << 10)
|
||||
.
|
||||
. {* Signal that the symbol is the label of constructor section. *}
|
||||
.#define BSF_CONSTRUCTOR 0x800
|
||||
.#define BSF_CONSTRUCTOR (1 << 11)
|
||||
.
|
||||
. {* Signal that the symbol is a warning symbol. The name is a
|
||||
. warning. The name of the next symbol is the one to warn about;
|
||||
. if a reference is made to a symbol with the same name as the next
|
||||
. symbol, a warning is issued by the linker. *}
|
||||
.#define BSF_WARNING 0x1000
|
||||
.#define BSF_WARNING (1 << 12)
|
||||
.
|
||||
. {* Signal that the symbol is indirect. This symbol is an indirect
|
||||
. pointer to the symbol with the same name as the next symbol. *}
|
||||
.#define BSF_INDIRECT 0x2000
|
||||
.#define BSF_INDIRECT (1 << 13)
|
||||
.
|
||||
. {* BSF_FILE marks symbols that contain a file name. This is used
|
||||
. for ELF STT_FILE symbols. *}
|
||||
.#define BSF_FILE 0x4000
|
||||
.#define BSF_FILE (1 << 14)
|
||||
.
|
||||
. {* Symbol is from dynamic linking information. *}
|
||||
.#define BSF_DYNAMIC 0x8000
|
||||
.#define BSF_DYNAMIC (1 << 15)
|
||||
.
|
||||
. {* The symbol denotes a data object. Used in ELF, and perhaps
|
||||
. others someday. *}
|
||||
.#define BSF_OBJECT 0x10000
|
||||
.#define BSF_OBJECT (1 << 16)
|
||||
.
|
||||
. {* This symbol is a debugging symbol. The value is the offset
|
||||
. into the section of the data. BSF_DEBUGGING should be set
|
||||
. as well. *}
|
||||
.#define BSF_DEBUGGING_RELOC 0x20000
|
||||
.#define BSF_DEBUGGING_RELOC (1 << 17)
|
||||
.
|
||||
. {* This symbol is thread local. Used in ELF. *}
|
||||
.#define BSF_THREAD_LOCAL 0x40000
|
||||
.#define BSF_THREAD_LOCAL (1 << 18)
|
||||
.
|
||||
. {* This symbol represents a complex relocation expression,
|
||||
. with the expression tree serialized in the symbol name. *}
|
||||
.#define BSF_RELC 0x80000
|
||||
.#define BSF_RELC (1 << 19)
|
||||
.
|
||||
. {* This symbol represents a signed complex relocation expression,
|
||||
. with the expression tree serialized in the symbol name. *}
|
||||
.#define BSF_SRELC 0x100000
|
||||
.#define BSF_SRELC (1 << 20)
|
||||
.
|
||||
. {* This symbol was created by bfd_get_synthetic_symtab. *}
|
||||
.#define BSF_SYNTHETIC 0x200000
|
||||
.#define BSF_SYNTHETIC (1 << 21)
|
||||
.
|
||||
. flagword flags;
|
||||
.
|
||||
|
|
@ -486,7 +490,7 @@ bfd_print_symbol_vandf (bfd *abfd, void *arg, asymbol *symbol)
|
|||
(type & BSF_WEAK) ? 'w' : ' ',
|
||||
(type & BSF_CONSTRUCTOR) ? 'C' : ' ',
|
||||
(type & BSF_WARNING) ? 'W' : ' ',
|
||||
(type & BSF_INDIRECT) ? 'I' : ' ',
|
||||
(type & BSF_INDIRECT) ? 'I' : (type & BSF_INDIRECT_FUNCTION) ? 'i' : ' ',
|
||||
(type & BSF_DEBUGGING) ? 'd' : (type & BSF_DYNAMIC) ? 'D' : ' ',
|
||||
((type & BSF_FUNCTION)
|
||||
? 'F'
|
||||
|
|
@ -672,6 +676,8 @@ bfd_decode_symclass (asymbol *symbol)
|
|||
}
|
||||
if (bfd_is_ind_section (symbol->section))
|
||||
return 'I';
|
||||
if (symbol->flags & BSF_INDIRECT_FUNCTION)
|
||||
return 'i';
|
||||
if (symbol->flags & BSF_WEAK)
|
||||
{
|
||||
/* If weak, determine if it's specifically an object
|
||||
|
|
|
|||
|
|
@ -1,3 +1,7 @@
|
|||
2008-12-03 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* elfcpp.h (enum STT): Add STT_IFUNC.
|
||||
|
||||
2008-06-12 David S. Miller <davem@davemloft.net>
|
||||
|
||||
* powerpc.h: New file.
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
// elfcpp.h -- main header file for elfcpp -*- C++ -*-
|
||||
|
||||
// Copyright 2006, 2007, Free Software Foundation, Inc.
|
||||
// Copyright 2006, 2007, 2008, Free Software Foundation, Inc.
|
||||
// Written by Ian Lance Taylor <iant@google.com>.
|
||||
|
||||
// This file is part of elfcpp.
|
||||
|
|
@ -476,6 +476,7 @@ enum STT
|
|||
STT_COMMON = 5,
|
||||
STT_TLS = 6,
|
||||
STT_LOOS = 10,
|
||||
STT_IFUNC = 10,
|
||||
STT_HIOS = 12,
|
||||
STT_LOPROC = 13,
|
||||
STT_HIPROC = 15,
|
||||
|
|
|
|||
|
|
@ -1,3 +1,9 @@
|
|||
2008-12-03 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* config/obj-elf.c (obj_elf_type): Add support for STT_IFUNC type.
|
||||
* doc/as.texinfo: Document new feature.
|
||||
* NEWS: Mention new feature.
|
||||
|
||||
2008-11-29 Kai Tietz <kai.tietz@onevision.com>
|
||||
|
||||
* config/tc-i386.c (i386_target_format): For coff flavour in TE_PEP
|
||||
|
|
|
|||
5
gas/NEWS
5
gas/NEWS
|
|
@ -1,5 +1,10 @@
|
|||
-*- text -*-
|
||||
|
||||
* The .type pseudo-op now accepts a type of STT_IFUNC which can be used to
|
||||
indicate that if the symbol is the target of a relocation, its value should
|
||||
not be used. Instead the function should be invoked and its result used as
|
||||
the value.
|
||||
|
||||
Changes in 2.19:
|
||||
|
||||
* New pseudo op .cfi_val_encoded_addr, to record constant addresses in unwind
|
||||
|
|
|
|||
|
|
@ -1663,6 +1663,20 @@ obj_elf_type (int ignore ATTRIBUTE_UNUSED)
|
|||
}
|
||||
}
|
||||
}
|
||||
else if (strcmp (typename, "indirect_function") == 0
|
||||
|| strcmp (typename, "10") == 0
|
||||
|| strcmp (typename, "STT_IFUNC") == 0)
|
||||
{
|
||||
const struct elf_backend_data *bed;
|
||||
|
||||
bed = get_elf_backend_data (stdoutput);
|
||||
if (!(bed->elf_osabi == ELFOSABI_LINUX
|
||||
/* GNU/Linux is still using the default value 0. */
|
||||
|| bed->elf_osabi == ELFOSABI_NONE))
|
||||
as_bad (_("symbol type \"%s\" is supported only by GNU targets"),
|
||||
typename);
|
||||
type = BSF_FUNCTION | BSF_INDIRECT_FUNCTION;
|
||||
}
|
||||
#ifdef md_elf_symbol_type
|
||||
else if ((type = md_elf_symbol_type (typename, sym, elfsym)) != -1)
|
||||
;
|
||||
|
|
|
|||
|
|
@ -6267,7 +6267,7 @@ The syntaxes supported are:
|
|||
.type <name> STT_<TYPE_IN_UPPER_CASE>
|
||||
.type <name>,#<type>
|
||||
.type <name>,@@<type>
|
||||
.type <name>,%>type>
|
||||
.type <name>,%<type>
|
||||
.type <name>,"<type>"
|
||||
@end smallexample
|
||||
|
||||
|
|
@ -6289,6 +6289,15 @@ Mark the symbol as being a thead-local data object.
|
|||
@item STT_COMMON
|
||||
@itemx common
|
||||
Mark the symbol as being a common data object.
|
||||
|
||||
@item STT_NOTYPE
|
||||
@itemx notype
|
||||
Does not mark the symbol in any way. It is supported just for completeness.
|
||||
|
||||
@item STT_IFUNC
|
||||
@itemx indirect_function
|
||||
Mark the symbol as an indirect function when evaluated during reloc
|
||||
processing. (This is only supported on Linux targeted assemblers).
|
||||
@end table
|
||||
|
||||
Note: Some targets support extra types in addition to those listed above.
|
||||
|
|
|
|||
|
|
@ -1,3 +1,9 @@
|
|||
2008-12-03 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* gas/elf/type.s: Add test of STT_IFUNC symbol type.
|
||||
* gas/elf/type.e: Update expected disassembly.
|
||||
* gas/elf/elf.exp: Update grep of symbol types.
|
||||
|
||||
2008-11-27 M R Swami Reddy <MR.Swami.Reddy@nsc.com>
|
||||
|
||||
* gas/cr16/pic-1.s: New.
|
||||
|
|
|
|||
|
|
@ -114,7 +114,7 @@ if { ([istarget "*-*-*elf*"]
|
|||
run_elf_list_test "section5" "" "-al" "-SW" "| grep \" \\\\.test\\\[0-9\\\]\""
|
||||
run_dump_test "struct"
|
||||
run_dump_test "symver"
|
||||
run_elf_list_test "type" "" "" "-s" "| grep \"1 \\\[FONTC\\\]\""
|
||||
run_elf_list_test "type" "" "" "-s" "| grep \"1 \\\[FIONTC\\\]\""
|
||||
run_dump_test "section6"
|
||||
run_dump_test "section7"
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,4 +1,5 @@
|
|||
.: 0+0 1 FUNC LOCAL DEFAULT . function
|
||||
.: 0+1 1 IFUNC LOCAL DEFAULT . indirect_function
|
||||
.: 0+0 1 OBJECT LOCAL DEFAULT . object
|
||||
.: 0+1 1 TLS LOCAL DEFAULT . tls_object
|
||||
.: 0+2 1 NOTYPE LOCAL DEFAULT . notype
|
||||
|
|
|
|||
|
|
@ -2,6 +2,10 @@
|
|||
.size function,1
|
||||
.type function,%function
|
||||
function:
|
||||
.byte 0x0
|
||||
.size indirect_function,1
|
||||
.type indirect_function,%indirect_function
|
||||
indirect_function:
|
||||
.byte 0x0
|
||||
.data
|
||||
.type object,%object
|
||||
|
|
|
|||
|
|
@ -1,3 +1,7 @@
|
|||
2008-12-03 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* common.h (STT_IFUNC): Define.
|
||||
|
||||
2008-11-27 M R Swami Reddy <MR.Swami.Reddy@nsc.com>
|
||||
|
||||
* cr16.h (R_CR16_GOT_REGREL20, R_CR16_GOTC_REGREL20 and
|
||||
|
|
|
|||
|
|
@ -546,6 +546,7 @@
|
|||
#define STT_RELC 8 /* Complex relocation expression */
|
||||
#define STT_SRELC 9 /* Signed Complex relocation expression */
|
||||
#define STT_LOOS 10 /* OS-specific semantics */
|
||||
#define STT_IFUNC 10 /* Symbol is an indirect code object */
|
||||
#define STT_HIOS 12 /* OS-specific semantics */
|
||||
#define STT_LOPROC 13 /* Application-specific semantics */
|
||||
#define STT_HIPROC 15 /* Application-specific semantics */
|
||||
|
|
|
|||
|
|
@ -1,3 +1,11 @@
|
|||
2008-12-03 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* NEWS: Mention new feature.
|
||||
* pe-dll.c (process_def_file): Replace use of redundant
|
||||
BFD_FORT_COMM_DEFAULT_VALUE with 0.
|
||||
* scripttempl/elf.sc: Add .rel.ifunc.dyn and .rela.ifunc.dyn
|
||||
sections.
|
||||
|
||||
2008-12-02 Kai Tietz <kai.tietz@onevision.com>
|
||||
|
||||
* pe-dll.c (make_runtime_pseudo_reloc): Make symtab big enough to
|
||||
|
|
|
|||
3
ld/NEWS
3
ld/NEWS
|
|
@ -1,4 +1,7 @@
|
|||
-*- text -*-
|
||||
* For GNU/Linux systems the linker will now forego processing any relocations
|
||||
made against symbols of the STT_IFUNC type and instead emit them into
|
||||
the resulting binary for processing by the loader.
|
||||
|
||||
* Add CR16 ELF --embedded-relocs (used to embedded relocations into binaries
|
||||
for Embedded-PIC code) option.
|
||||
|
|
|
|||
|
|
@ -633,7 +633,7 @@ process_def_file (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
|
|||
We should not export undefined symbols. */
|
||||
if (symbols[j]->section != &bfd_und_section
|
||||
&& ((symbols[j]->flags & BSF_GLOBAL)
|
||||
|| (symbols[j]->flags == BFD_FORT_COMM_DEFAULT_VALUE)))
|
||||
|| (symbols[j]->flags == 0)))
|
||||
{
|
||||
const char *sn = symbols[j]->name;
|
||||
|
||||
|
|
|
|||
|
|
@ -333,12 +333,20 @@ EOF
|
|||
sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$
|
||||
cat >> ldscripts/dyntmp.$$ <<EOF
|
||||
}
|
||||
.rel.ifunc.dyn ${RELOCATING-0} :
|
||||
{
|
||||
*(.rel.ifunc.*)
|
||||
}
|
||||
.rela.dyn ${RELOCATING-0} :
|
||||
{
|
||||
EOF
|
||||
sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$
|
||||
cat >> ldscripts/dyntmp.$$ <<EOF
|
||||
}
|
||||
.rela.ifunc.dyn ${RELOCATING-0} :
|
||||
{
|
||||
*(.rela.ifunc.*)
|
||||
}
|
||||
EOF
|
||||
fi
|
||||
|
||||
|
|
|
|||
|
|
@ -1,3 +1,12 @@
|
|||
2008-12-03 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* ld-mips-elf/reloc-1-n32.d: Updated expected output for reloc
|
||||
descriptions.
|
||||
* ld-mips-elf/reloc-1-n64.d: Likewise.
|
||||
* ld-i386/ifunc.d: New test.
|
||||
* ld-i386/ifunc.s: Source file for the new test.
|
||||
* ld-i386/i386.exp: Run the new test.
|
||||
|
||||
2008-11-25 Joseph Myers <joseph@codesourcery.com>
|
||||
|
||||
* ld-arm/thumb2-bl-undefweak.d, ld-arm/thumb2-bl-undefweak.s: New.
|
||||
|
|
|
|||
|
|
@ -138,3 +138,4 @@ run_dump_test "hidden3"
|
|||
run_dump_test "protected1"
|
||||
run_dump_test "protected2"
|
||||
run_dump_test "protected3"
|
||||
run_dump_test "ifunc"
|
||||
|
|
|
|||
|
|
@ -0,0 +1,14 @@
|
|||
#name: Generatiion of dynamic relocs for STT_IFUNC symbols
|
||||
#source: ifunc.s
|
||||
#as: --32
|
||||
#ld: -melf_i386 -lc --defsym _start=0 -L/usr/lib
|
||||
#readelf: --relocs --syms
|
||||
|
||||
Relocation section '.rel.ifunc.dyn' at offset 0x[0-9a-f]+ contains 2 entries:
|
||||
Offset Info Type Sym.Value Sym. Name
|
||||
[0-9a-f]+ 00000202 R_386_PC32 func\(\) func
|
||||
[0-9a-f]+ 00000102 R_386_PC32 long_fun\(\) long_func_name
|
||||
#...
|
||||
..: 080482e0 29 IFUNC GLOBAL DEFAULT 10 long_func_name
|
||||
..: 08048300 29 IFUNC GLOBAL DEFAULT 10 func
|
||||
#pass
|
||||
|
|
@ -0,0 +1,128 @@
|
|||
.file "ifunc.c"
|
||||
#APP
|
||||
.type func, %indirect_function
|
||||
.type long_func_name, %indirect_function
|
||||
.section .rodata.str1.1,"aMS",@progbits,1
|
||||
.LC0:
|
||||
.string "arg is %d\n"
|
||||
#NO_APP
|
||||
.text
|
||||
.p2align 4,,15
|
||||
.globl bar
|
||||
.type bar, @function
|
||||
bar:
|
||||
pushl %ebp
|
||||
movl %esp, %ebp
|
||||
subl $8, %esp
|
||||
movl 8(%ebp), %eax
|
||||
movl $.LC0, (%esp)
|
||||
movl %eax, 4(%esp)
|
||||
call printf
|
||||
leave
|
||||
ret
|
||||
.size bar, .-bar
|
||||
.section .rodata.str1.1
|
||||
.LC1:
|
||||
.string "main: calling func"
|
||||
.section .rodata.str1.4,"aMS",@progbits,1
|
||||
.align 4
|
||||
.LC2:
|
||||
.string "main: func finished, calling long_func_name"
|
||||
.section .rodata.str1.1
|
||||
.LC3:
|
||||
.string "main: long_func_name finished"
|
||||
.text
|
||||
.p2align 4,,15
|
||||
.globl main
|
||||
.type main, @function
|
||||
main:
|
||||
leal 4(%esp), %ecx
|
||||
andl $-16, %esp
|
||||
pushl -4(%ecx)
|
||||
pushl %ebp
|
||||
movl %esp, %ebp
|
||||
pushl %ecx
|
||||
subl $4, %esp
|
||||
movl $.LC1, (%esp)
|
||||
call puts
|
||||
call func
|
||||
movl $.LC2, (%esp)
|
||||
call puts
|
||||
call long_func_name
|
||||
movl $.LC3, (%esp)
|
||||
call puts
|
||||
addl $4, %esp
|
||||
xorl %eax, %eax
|
||||
popl %ecx
|
||||
popl %ebp
|
||||
leal -4(%ecx), %esp
|
||||
ret
|
||||
.size main, .-main
|
||||
.p2align 4,,15
|
||||
.globl long_func_name
|
||||
.type long_func_name, @function
|
||||
long_func_name:
|
||||
pushl %ebp
|
||||
movl %esp, %ebp
|
||||
subl $8, %esp
|
||||
call rand
|
||||
movl $func0, %edx
|
||||
testl %eax, %eax
|
||||
jne .L7
|
||||
movl $func1, %edx
|
||||
.L7:
|
||||
movl %edx, %eax
|
||||
leave
|
||||
ret
|
||||
.size long_func_name, .-long_func_name
|
||||
.p2align 4,,15
|
||||
.globl func
|
||||
.type func, @function
|
||||
func:
|
||||
pushl %ebp
|
||||
movl %esp, %ebp
|
||||
subl $8, %esp
|
||||
call rand
|
||||
movl $func0, %edx
|
||||
testl %eax, %eax
|
||||
jne .L12
|
||||
movl $func1, %edx
|
||||
.L12:
|
||||
movl %edx, %eax
|
||||
leave
|
||||
ret
|
||||
.size func, .-func
|
||||
.section .rodata.str1.1
|
||||
.LC4:
|
||||
.string "func1\n"
|
||||
.text
|
||||
.p2align 4,,15
|
||||
.globl func1
|
||||
.type func1, @function
|
||||
func1:
|
||||
pushl %ebp
|
||||
movl %esp, %ebp
|
||||
subl $8, %esp
|
||||
movl $.LC4, (%esp)
|
||||
call puts
|
||||
leave
|
||||
ret
|
||||
.size func1, .-func1
|
||||
.section .rodata.str1.1
|
||||
.LC5:
|
||||
.string "func0\n"
|
||||
.text
|
||||
.p2align 4,,15
|
||||
.globl func0
|
||||
.type func0, @function
|
||||
func0:
|
||||
pushl %ebp
|
||||
movl %esp, %ebp
|
||||
subl $8, %esp
|
||||
movl $.LC5, (%esp)
|
||||
call puts
|
||||
leave
|
||||
ret
|
||||
.size func0, .-func0
|
||||
.ident "GCC: (GNU) 4.3.0 20080428 (Red Hat 4.3.0-8)"
|
||||
.section .note.GNU-stack,"",@progbits
|
||||
|
|
@ -8,10 +8,10 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against tstarta
|
||||
#
|
||||
.* R_MIPS_HI16 .* \.text \+ ffff7ff0
|
||||
.* R_MIPS_LO16 .* \.text \+ ffff7ff0
|
||||
.* R_MIPS_HI16 .* \.text \+ ffff8000
|
||||
.* R_MIPS_LO16 .* \.text \+ ffff8000
|
||||
.* R_MIPS_HI16 .* \.text \- 8010
|
||||
.* R_MIPS_LO16 .* \.text \- 8010
|
||||
.* R_MIPS_HI16 .* \.text \- 8000
|
||||
.* R_MIPS_LO16 .* \.text \- 8000
|
||||
.* R_MIPS_HI16 .* \.text \+ 0
|
||||
.* R_MIPS_LO16 .* \.text \+ 0
|
||||
.* R_MIPS_HI16 .* \.text \+ 7ff0
|
||||
|
|
@ -21,10 +21,10 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against t32a
|
||||
#
|
||||
.* R_MIPS_HI16 .* \.text \+ ffff8010
|
||||
.* R_MIPS_LO16 .* \.text \+ ffff8010
|
||||
.* R_MIPS_HI16 .* \.text \+ ffff8020
|
||||
.* R_MIPS_LO16 .* \.text \+ ffff8020
|
||||
.* R_MIPS_HI16 .* \.text \- 7ff0
|
||||
.* R_MIPS_LO16 .* \.text \- 7ff0
|
||||
.* R_MIPS_HI16 .* \.text \- 7fe0
|
||||
.* R_MIPS_LO16 .* \.text \- 7fe0
|
||||
.* R_MIPS_HI16 .* \.text \+ 20
|
||||
.* R_MIPS_LO16 .* \.text \+ 20
|
||||
.* R_MIPS_HI16 .* \.text \+ 8010
|
||||
|
|
@ -34,10 +34,10 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against _start
|
||||
#
|
||||
.* R_MIPS_HI16 .* _start \+ ffff7ff0
|
||||
.* R_MIPS_LO16 .* _start \+ ffff7ff0
|
||||
.* R_MIPS_HI16 .* _start \+ ffff8000
|
||||
.* R_MIPS_LO16 .* _start \+ ffff8000
|
||||
.* R_MIPS_HI16 .* _start \- 8010
|
||||
.* R_MIPS_LO16 .* _start \- 8010
|
||||
.* R_MIPS_HI16 .* _start \- 8000
|
||||
.* R_MIPS_LO16 .* _start \- 8000
|
||||
.* R_MIPS_HI16 .* _start \+ 0
|
||||
.* R_MIPS_LO16 .* _start \+ 0
|
||||
.* R_MIPS_HI16 .* _start \+ 7ff0
|
||||
|
|
@ -47,10 +47,10 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against tstarta
|
||||
#
|
||||
.* R_MIPS_GOT16 .* \.text \+ ffff7ff0
|
||||
.* R_MIPS_LO16 .* \.text \+ ffff7ff0
|
||||
.* R_MIPS_GOT16 .* \.text \+ ffff8000
|
||||
.* R_MIPS_LO16 .* \.text \+ ffff8000
|
||||
.* R_MIPS_GOT16 .* \.text \- 8010
|
||||
.* R_MIPS_LO16 .* \.text \- 8010
|
||||
.* R_MIPS_GOT16 .* \.text \- 8000
|
||||
.* R_MIPS_LO16 .* \.text \- 8000
|
||||
.* R_MIPS_GOT16 .* \.text \+ 0
|
||||
.* R_MIPS_LO16 .* \.text \+ 0
|
||||
.* R_MIPS_GOT16 .* \.text \+ 7ff0
|
||||
|
|
@ -60,10 +60,10 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against t32a
|
||||
#
|
||||
.* R_MIPS_GOT16 .* \.text \+ ffff8010
|
||||
.* R_MIPS_LO16 .* \.text \+ ffff8010
|
||||
.* R_MIPS_GOT16 .* \.text \+ ffff8020
|
||||
.* R_MIPS_LO16 .* \.text \+ ffff8020
|
||||
.* R_MIPS_GOT16 .* \.text \- 7ff0
|
||||
.* R_MIPS_LO16 .* \.text \- 7ff0
|
||||
.* R_MIPS_GOT16 .* \.text \- 7fe0
|
||||
.* R_MIPS_LO16 .* \.text \- 7fe0
|
||||
.* R_MIPS_GOT16 .* \.text \+ 20
|
||||
.* R_MIPS_LO16 .* \.text \+ 20
|
||||
.* R_MIPS_GOT16 .* \.text \+ 8010
|
||||
|
|
@ -73,20 +73,20 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against sdg
|
||||
#
|
||||
.* R_MIPS_GPREL16 .* sdg \+ fffffffc
|
||||
.* R_MIPS_GPREL16 .* sdg \- 4
|
||||
.* R_MIPS_GPREL16 .* sdg \+ 0
|
||||
.* R_MIPS_GPREL16 .* sdg \+ 4
|
||||
#
|
||||
# Relocations against sdla. .sdata should be the first piece of gp-relative
|
||||
# data, which the linker script should put _gp - 0x7ff0.
|
||||
#
|
||||
.* R_MIPS_GPREL16 .* \.sdata \+ ffff801c
|
||||
.* R_MIPS_GPREL16 .* \.sdata \+ ffff8020
|
||||
.* R_MIPS_GPREL16 .* \.sdata \+ ffff8024
|
||||
.* R_MIPS_GPREL16 .* \.sdata \- 7fe4
|
||||
.* R_MIPS_GPREL16 .* \.sdata \- 7fe0
|
||||
.* R_MIPS_GPREL16 .* \.sdata \- 7fdc
|
||||
#
|
||||
# Relocations against tstarta
|
||||
#
|
||||
.* R_MIPS_26 .* \.text \+ fffffffc
|
||||
.* R_MIPS_26 .* \.text \- 4
|
||||
.* R_MIPS_26 .* \.text \+ 0
|
||||
.* R_MIPS_26 .* \.text \+ 4
|
||||
#
|
||||
|
|
@ -98,7 +98,7 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against _start
|
||||
#
|
||||
.* R_MIPS_26 .* _start \+ fffffffc
|
||||
.* R_MIPS_26 .* _start \- 4
|
||||
.* R_MIPS_26 .* _start \+ 0
|
||||
.* R_MIPS_26 .* _start \+ 4
|
||||
#
|
||||
|
|
@ -130,10 +130,10 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against _start
|
||||
#
|
||||
.* R_MIPS_HI16 .* _start \+ ffff7ff0
|
||||
.* R_MIPS_LO16 .* _start \+ ffff7ff0
|
||||
.* R_MIPS_HI16 .* _start \+ ffff8000
|
||||
.* R_MIPS_LO16 .* _start \+ ffff8000
|
||||
.* R_MIPS_HI16 .* _start \- 8010
|
||||
.* R_MIPS_LO16 .* _start \- 8010
|
||||
.* R_MIPS_HI16 .* _start \- 8000
|
||||
.* R_MIPS_LO16 .* _start \- 8000
|
||||
.* R_MIPS_HI16 .* _start \+ 0
|
||||
.* R_MIPS_LO16 .* _start \+ 0
|
||||
.* R_MIPS_HI16 .* _start \+ 7ff0
|
||||
|
|
@ -169,15 +169,15 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against sdg
|
||||
#
|
||||
.* R_MIPS_GPREL16 .* sdg \+ fffffffc
|
||||
.* R_MIPS_GPREL16 .* sdg \- 4
|
||||
.* R_MIPS_GPREL16 .* sdg \+ 0
|
||||
.* R_MIPS_GPREL16 .* sdg \+ 4
|
||||
#
|
||||
# Relocations against sdlb
|
||||
#
|
||||
.* R_MIPS_GPREL16 .* \.sdata \+ ffff803c
|
||||
.* R_MIPS_GPREL16 .* \.sdata \+ ffff8040
|
||||
.* R_MIPS_GPREL16 .* \.sdata \+ ffff8044
|
||||
.* R_MIPS_GPREL16 .* \.sdata \- 7fc4
|
||||
.* R_MIPS_GPREL16 .* \.sdata \- 7fc0
|
||||
.* R_MIPS_GPREL16 .* \.sdata \- 7fbc
|
||||
#
|
||||
# Relocations against tstartb
|
||||
#
|
||||
|
|
@ -193,7 +193,7 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against _start
|
||||
#
|
||||
.* R_MIPS_26 .* _start \+ fffffffc
|
||||
.* R_MIPS_26 .* _start \- 4
|
||||
.* R_MIPS_26 .* _start \+ 0
|
||||
.* R_MIPS_26 .* _start \+ 4
|
||||
#pass
|
||||
|
|
|
|||
|
|
@ -8,16 +8,16 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against tstarta
|
||||
#
|
||||
.* R_MIPS_HI16 .* \.text \+ f+7ff0
|
||||
.* R_MIPS_HI16 .* \.text \- 8010
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_LO16 .* \.text \+ f+7ff0
|
||||
.* R_MIPS_LO16 .* \.text \- 8010
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_HI16 .* \.text \+ f+8000
|
||||
.* R_MIPS_HI16 .* \.text \- 8000
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_LO16 .* \.text \+ f+8000
|
||||
.* R_MIPS_LO16 .* \.text \- 8000
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_HI16 .* \.text \+ 0
|
||||
|
|
@ -41,16 +41,16 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against t32a
|
||||
#
|
||||
.* R_MIPS_HI16 .* \.text \+ f+8010
|
||||
.* R_MIPS_HI16 .* \.text \- 7ff0
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_LO16 .* \.text \+ f+8010
|
||||
.* R_MIPS_LO16 .* \.text \- 7ff0
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_HI16 .* \.text \+ f+8020
|
||||
.* R_MIPS_HI16 .* \.text \- 7fe0
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_LO16 .* \.text \+ f+8020
|
||||
.* R_MIPS_LO16 .* \.text \- 7fe0
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_HI16 .* \.text \+ 20
|
||||
|
|
@ -74,16 +74,16 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against _start
|
||||
#
|
||||
.* R_MIPS_HI16 .* _start \+ f+7ff0
|
||||
.* R_MIPS_HI16 .* _start \- 8010
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_LO16 .* _start \+ f+7ff0
|
||||
.* R_MIPS_LO16 .* _start \- 8010
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_HI16 .* _start \+ f+8000
|
||||
.* R_MIPS_HI16 .* _start \- 8000
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_LO16 .* _start \+ f+8000
|
||||
.* R_MIPS_LO16 .* _start \- 8000
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_HI16 .* _start \+ 0
|
||||
|
|
@ -107,16 +107,16 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against tstarta
|
||||
#
|
||||
.* R_MIPS_GOT16 .* \.text \+ f+7ff0
|
||||
.* R_MIPS_GOT16 .* \.text \- 8010
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_LO16 .* \.text \+ f+7ff0
|
||||
.* R_MIPS_LO16 .* \.text \- 8010
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_GOT16 .* \.text \+ f+8000
|
||||
.* R_MIPS_GOT16 .* \.text \- 8000
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_LO16 .* \.text \+ f+8000
|
||||
.* R_MIPS_LO16 .* \.text \- 8000
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_GOT16 .* \.text \+ 0
|
||||
|
|
@ -140,16 +140,16 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against t32a
|
||||
#
|
||||
.* R_MIPS_GOT16 .* \.text \+ f+8010
|
||||
.* R_MIPS_GOT16 .* \.text \- 7ff0
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_LO16 .* \.text \+ f+8010
|
||||
.* R_MIPS_LO16 .* \.text \- 7ff0
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_GOT16 .* \.text \+ f+8020
|
||||
.* R_MIPS_GOT16 .* \.text \- 7fe0
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_LO16 .* \.text \+ f+8020
|
||||
.* R_MIPS_LO16 .* \.text \- 7fe0
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_GOT16 .* \.text \+ 20
|
||||
|
|
@ -173,7 +173,7 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against sdg
|
||||
#
|
||||
.* R_MIPS_GPREL16 .* sdg \+ f+fffc
|
||||
.* R_MIPS_GPREL16 .* sdg \- 4
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_GPREL16 .* sdg \+ 0
|
||||
|
|
@ -186,19 +186,19 @@ Relocation section '\.rela\.text' .*
|
|||
# Relocations against sdla. .sdata should be the first piece of gp-relative
|
||||
# data, which the linker script should put _gp - 0x7ff0.
|
||||
#
|
||||
.* R_MIPS_GPREL16 .* \.sdata \+ f+801c
|
||||
.* R_MIPS_GPREL16 .* \.sdata \- 7fe4
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_GPREL16 .* \.sdata \+ f+8020
|
||||
.* R_MIPS_GPREL16 .* \.sdata \- 7fe0
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_GPREL16 .* \.sdata \+ f+8024
|
||||
.* R_MIPS_GPREL16 .* \.sdata \- 7fdc
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
#
|
||||
# Relocations against tstarta
|
||||
#
|
||||
.* R_MIPS_26 .* \.text \+ f+fffc
|
||||
.* R_MIPS_26 .* \.text \- 4
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_26 .* \.text \+ 0
|
||||
|
|
@ -222,7 +222,7 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against _start
|
||||
#
|
||||
.* R_MIPS_26 .* _start \+ f+fffc
|
||||
.* R_MIPS_26 .* _start \- 4
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_26 .* _start \+ 0
|
||||
|
|
@ -300,16 +300,16 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against _start
|
||||
#
|
||||
.* R_MIPS_HI16 .* _start \+ f+7ff0
|
||||
.* R_MIPS_HI16 .* _start \- 8010
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_LO16 .* _start \+ f+7ff0
|
||||
.* R_MIPS_LO16 .* _start \- 8010
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_HI16 .* _start \+ f+8000
|
||||
.* R_MIPS_HI16 .* _start \- 8000
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_LO16 .* _start \+ f+8000
|
||||
.* R_MIPS_LO16 .* _start \- 8000
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_HI16 .* _start \+ 0
|
||||
|
|
@ -399,7 +399,7 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against sdg
|
||||
#
|
||||
.* R_MIPS_GPREL16 .* sdg \+ f+fffc
|
||||
.* R_MIPS_GPREL16 .* sdg \- 4
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_GPREL16 .* sdg \+ 0
|
||||
|
|
@ -411,13 +411,13 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against sdlb
|
||||
#
|
||||
.* R_MIPS_GPREL16 .* \.sdata \+ f+803c
|
||||
.* R_MIPS_GPREL16 .* \.sdata \- 7fc4
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_GPREL16 .* \.sdata \+ f+8040
|
||||
.* R_MIPS_GPREL16 .* \.sdata \- 7fc0
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_GPREL16 .* \.sdata \+ f+8044
|
||||
.* R_MIPS_GPREL16 .* \.sdata \- 7fbc
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
#
|
||||
|
|
@ -447,7 +447,7 @@ Relocation section '\.rela\.text' .*
|
|||
#
|
||||
# Relocations against _start
|
||||
#
|
||||
.* R_MIPS_26 .* _start \+ f+fffc
|
||||
.* R_MIPS_26 .* _start \- 4
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_NONE *
|
||||
.* R_MIPS_26 .* _start \+ 0
|
||||
|
|
|
|||
Loading…
Reference in New Issue