diff options
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 9 | ||||
| -rw-r--r-- | bfd/bfd-in2.h | 183 | ||||
| -rw-r--r-- | bfd/libbfd.h | 102 | ||||
| -rw-r--r-- | bfd/reloc.c | 575 |
4 files changed, 567 insertions, 302 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index ff734ae..02a0860 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,12 @@ +Fri Sep 2 14:10:30 1994 Ken Raeburn (raeburn@cujo.cygnus.com) + + * reloc.c (enum bfd_reloc_code_real): Rewrote definition to use + new "chew" commands for simultaneous definition of enumerator and + enumerator name table. + (bfd_get_reloc_code_name): New function, for retrieving a symbolic + name associated with an enumerator. + * libbfd.h, bfd-in2.h: Regenerated. + Tue Aug 30 21:24:54 1994 Jeff Law (law@snake.cs.utah.edu) * som.c (som_write_fixups, case R_ENTRY): Handle case where no diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index 408ca58..1d55d4e 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -1276,9 +1276,11 @@ bfd_perform_relocation bfd *output_bfd, char **error_message)); -typedef enum bfd_reloc_code_real -{ - /* Basic absolute relocations */ +enum bfd_reloc_code_real { + _dummy_first_bfd_reloc_code_real, + + +/* Basic absolute relocations of N bits. */ BFD_RELOC_64, BFD_RELOC_32, BFD_RELOC_26, @@ -1286,51 +1288,52 @@ typedef enum bfd_reloc_code_real BFD_RELOC_14, BFD_RELOC_8, - /* PC-relative relocations */ +/* PC-relative relocations. Sometimes these are relative to the address +of the relocation itself; sometimes they are relative to the start of +the section containing the relocation. It depends on the specific target. + +The 24-bit relocation is used in some Intel 960 configurations. */ BFD_RELOC_64_PCREL, BFD_RELOC_32_PCREL, - BFD_RELOC_24_PCREL, /* used by i960 */ + BFD_RELOC_24_PCREL, BFD_RELOC_16_PCREL, BFD_RELOC_8_PCREL, - /* Linkage-table relative */ +/* Linkage-table relative. */ BFD_RELOC_32_BASEREL, BFD_RELOC_16_BASEREL, BFD_RELOC_8_BASEREL, - /* The type of reloc used to build a contructor table - at the moment - probably a 32 bit wide abs address, but the cpu can choose. */ - BFD_RELOC_CTOR, - - /* 8 bits wide, but used to form an address like 0xffnn */ +/* Absolute 8-bit relocation, but used to form an address like 0xFFnn. */ BFD_RELOC_8_FFnn, - /* 32-bit pc-relative, shifted right 2 bits (i.e., 30-bit - word displacement, e.g. for SPARC) */ +/* These PC-relative relocations are stored as word displacements -- i.e., +byte displacements shifted right two bits. The 30-bit word displacement +(<<32_PCREL_S2>> -- 32 bits, shifted 2) is used on the SPARC. The signed +16-bit displacement is used on the MIPS, and the 23-bit displacement is +used on the Alpha. */ BFD_RELOC_32_PCREL_S2, - /* signed 16-bit pc-relative, shifted right 2 bits (e.g. for MIPS) */ BFD_RELOC_16_PCREL_S2, - /* this is used on the Alpha */ BFD_RELOC_23_PCREL_S2, - /* High 22 bits of 32-bit value, placed into lower 22 bits of - target word; simple reloc. */ +/* High 22 bits and low 10 bits of 32-bit value, placed into lower bits of +the target word. These are used on the SPARC. */ BFD_RELOC_HI22, - /* Low 10 bits. */ BFD_RELOC_LO10, - /* For systems that allocate a Global Pointer register, these are - displacements off that register. These relocation types are - handled specially, because the value the register will have is - decided relatively late. */ +/* For systems that allocate a Global Pointer register, these are +displacements off that register. These relocation types are +handled specially, because the value the register will have is +decided relatively late. */ BFD_RELOC_GPREL16, BFD_RELOC_GPREL32, - /* Reloc types used for i960/b.out. */ +/* Reloc types used for i960/b.out. */ BFD_RELOC_I960_CALLJ, - /* now for the sparc/elf codes */ - BFD_RELOC_NONE, /* actually used */ +/* SPARC ELF relocations. There is probably some overlap with other +relocation types already defined. */ + BFD_RELOC_NONE, BFD_RELOC_SPARC_WDISP22, BFD_RELOC_SPARC22, BFD_RELOC_SPARC13, @@ -1346,15 +1349,14 @@ typedef enum bfd_reloc_code_real BFD_RELOC_SPARC_RELATIVE, BFD_RELOC_SPARC_UA32, - /* these are a.out specific? */ +/* I think these are specific to SPARC a.out (e.g., Sun 4). */ BFD_RELOC_SPARC_BASE13, BFD_RELOC_SPARC_BASE22, - /* some relocations we're using for sparc v9 - -- subject to change */ +/* Some relocations we're using for SPARC V9 -- subject to change. */ +#define BFD_RELOC_SPARC_64 BFD_RELOC_64 BFD_RELOC_SPARC_10, BFD_RELOC_SPARC_11, -#define BFD_RELOC_SPARC_64 BFD_RELOC_64 BFD_RELOC_SPARC_OLO10, BFD_RELOC_SPARC_HH22, BFD_RELOC_SPARC_HM10, @@ -1367,76 +1369,81 @@ typedef enum bfd_reloc_code_real BFD_RELOC_SPARC_GLOB_JMP, BFD_RELOC_SPARC_LO7, - /* Alpha ECOFF relocations. Some of these treat the symbol or "addend" - in some special way. */ - /* For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when - writing; when reading, it will be the absolute section symbol. The - addend is the displacement in bytes of the "lda" instruction from - the "ldah" instruction (which is at the address of this reloc). */ +/* Alpha ECOFF relocations. Some of these treat the symbol or "addend" +in some special way. +For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when +writing; when reading, it will be the absolute section symbol. The +addend is the displacement in bytes of the "lda" instruction from +the "ldah" instruction (which is at the address of this reloc). */ BFD_RELOC_ALPHA_GPDISP_HI16, - /* For GPDISP_LO16 ("ignore") relocations, the symbol is handled as - with GPDISP_HI16 relocs. The addend is ignored when writing the - relocations out, and is filled in with the file's GP value on - reading, for convenience. */ + +/* For GPDISP_LO16 ("ignore") relocations, the symbol is handled as +with GPDISP_HI16 relocs. The addend is ignored when writing the +relocations out, and is filled in with the file's GP value on +reading, for convenience. */ BFD_RELOC_ALPHA_GPDISP_LO16, - /* The Alpha LITERAL/LITUSE relocs are produced by a symbol reference; - the assembler turns it into a LDQ instruction to load the address of - the symbol, and then fills in a register in the real instruction. - - The LITERAL reloc, at the LDQ instruction, refers to the .lita - section symbol. The addend is ignored when writing, but is filled - in with the file's GP value on reading, for convenience, as with the - GPDISP_LO16 reloc. - - The LITUSE reloc, on the instruction using the loaded address, gives - information to the linker that it might be able to use to optimize - away some literal section references. The symbol is ignored (read - as the absolute section symbol), and the "addend" indicates the type - of instruction using the register: - 1 - "memory" fmt insn - 2 - byte-manipulation (byte offset reg) - 3 - jsr (target of branch) - - The GNU linker currently doesn't do any of this optimizing. */ +/* The Alpha LITERAL/LITUSE relocs are produced by a symbol reference; +the assembler turns it into a LDQ instruction to load the address of +the symbol, and then fills in a register in the real instruction. + +The LITERAL reloc, at the LDQ instruction, refers to the .lita +section symbol. The addend is ignored when writing, but is filled +in with the file's GP value on reading, for convenience, as with the +GPDISP_LO16 reloc. + +The LITUSE reloc, on the instruction using the loaded address, gives +information to the linker that it might be able to use to optimize +away some literal section references. The symbol is ignored (read +as the absolute section symbol), and the "addend" indicates the type +of instruction using the register: +1 - "memory" fmt insn +2 - byte-manipulation (byte offset reg) +3 - jsr (target of branch) + +The GNU linker currently doesn't do any of this optimizing. */ BFD_RELOC_ALPHA_LITERAL, BFD_RELOC_ALPHA_LITUSE, - /* The HINT relocation indicates a value that should be filled into the - "hint" field of a jmp/jsr/ret instruction, for possible branch- - prediction logic which may be provided on some processors. */ +/* The HINT relocation indicates a value that should be filled into the +"hint" field of a jmp/jsr/ret instruction, for possible branch- +prediction logic which may be provided on some processors. */ BFD_RELOC_ALPHA_HINT, - /* Bits 27..2 of the relocation address shifted right 2 bits; - simple reloc otherwise. */ +/* Bits 27..2 of the relocation address shifted right 2 bits; +simple reloc otherwise. */ BFD_RELOC_MIPS_JMP, - /* High 16 bits of 32-bit value; simple reloc. */ +/* High 16 bits of 32-bit value; simple reloc. */ BFD_RELOC_HI16, - /* High 16 bits of 32-bit value but the low 16 bits will be sign - extended and added to form the final result. If the low 16 - bits form a negative number, we need to add one to the high value - to compensate for the borrow when the low bits are added. */ + +/* High 16 bits of 32-bit value but the low 16 bits will be sign +extended and added to form the final result. If the low 16 +bits form a negative number, we need to add one to the high value +to compensate for the borrow when the low bits are added. */ BFD_RELOC_HI16_S, - /* Low 16 bits. */ + +/* Low 16 bits. */ BFD_RELOC_LO16, - /* Like BFD_RELOC_HI16_S, but PC relative. */ + +/* Like BFD_RELOC_HI16_S, but PC relative. */ BFD_RELOC_PCREL_HI16_S, - /* Like BFD_RELOC_LO16, but PC relative. */ + +/* Like BFD_RELOC_LO16, but PC relative. */ BFD_RELOC_PCREL_LO16, - /* relocation relative to the global pointer. */ +/* Relocation relative to the global pointer. */ #define BFD_RELOC_MIPS_GPREL BFD_RELOC_GPREL16 - /* Relocation against a MIPS literal section. */ +/* Relocation against a MIPS literal section. */ BFD_RELOC_MIPS_LITERAL, - /* MIPS ELF relocations. */ +/* MIPS ELF relocations. */ BFD_RELOC_MIPS_GOT16, BFD_RELOC_MIPS_CALL16, #define BFD_RELOC_MIPS_GPREL32 BFD_RELOC_GPREL32 - /* i386/elf relocations */ +/* i386/elf relocations */ BFD_RELOC_386_GOT32, BFD_RELOC_386_PLT32, BFD_RELOC_386_COPY, @@ -1446,7 +1453,7 @@ typedef enum bfd_reloc_code_real BFD_RELOC_386_GOTOFF, BFD_RELOC_386_GOTPC, - /* ns32k relocations */ +/* ns32k relocations */ BFD_RELOC_NS32K_IMM_8, BFD_RELOC_NS32K_IMM_16, BFD_RELOC_NS32K_IMM_32, @@ -1460,22 +1467,30 @@ typedef enum bfd_reloc_code_real BFD_RELOC_NS32K_DISP_16_PCREL, BFD_RELOC_NS32K_DISP_32_PCREL, - /* PowerPC/POWER (RS/6000) relocs. */ - /* 26 bit relative branch. Low two bits must be zero. High 24 - bits installed in bits 6 through 29 of instruction. */ +/* PowerPC/POWER (RS/6000) relocs. +26 bit relative branch. Low two bits must be zero. High 24 +bits installed in bits 6 through 29 of instruction. */ BFD_RELOC_PPC_B26, - /* 26 bit absolute branch, like BFD_RELOC_PPC_B26 but absolute. */ + +/* 26 bit absolute branch, like BFD_RELOC_PPC_B26 but absolute. */ BFD_RELOC_PPC_BA26, - /* 16 bit TOC relative reference. */ + +/* 16 bit TOC relative reference. */ BFD_RELOC_PPC_TOC16, - /* this must be the highest numeric value */ - BFD_RELOC_UNUSED - } bfd_reloc_code_real_type; +/* The type of reloc used to build a contructor table - at the moment +probably a 32 bit wide absolute relocation, but the target can choose. +It generally does map to one of the other relocation types. */ + BFD_RELOC_CTOR, + BFD_RELOC_UNUSED }; +typedef enum bfd_reloc_code_real bfd_reloc_code_real_type; const struct reloc_howto_struct * bfd_reloc_type_lookup PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); +const char * +bfd_get_reloc_code_name PARAMS ((bfd_reloc_code_real_type code)); + typedef struct symbol_cache_entry { diff --git a/bfd/libbfd.h b/bfd/libbfd.h index d8812eb..5eddfaa 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -176,6 +176,7 @@ extern boolean _bfd_nocore_core_file_matches_executable_p #define _bfd_noarchive_openr_next_archived_file \ ((bfd *(*) PARAMS ((bfd *, bfd *))) bfd_nullvoidptr) #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt +#define _bfd_noarchive_update_armap_timestamp bfd_false /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ @@ -189,6 +190,7 @@ extern boolean _bfd_nocore_core_file_matches_executable_p bfd_generic_openr_next_archived_file #define _bfd_archive_bsd_generic_stat_arch_elt \ bfd_generic_stat_arch_elt +extern boolean _bfd_archive_bsd_update_armap_timestamp PARAMS ((bfd *)); /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ @@ -202,6 +204,7 @@ extern boolean _bfd_nocore_core_file_matches_executable_p bfd_generic_openr_next_archived_file #define _bfd_archive_coff_generic_stat_arch_elt \ bfd_generic_stat_arch_elt +#define _bfd_archive_coff_update_armap_timestamp bfd_true /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ @@ -448,6 +451,105 @@ bfd_constructor_entry PARAMS ((bfd *abfd, asymbol **symbol_ptr_ptr, CONST char*type)); +#ifdef _BFD_MAKE_TABLE_bfd_reloc_code_real + +static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", + + "BFD_RELOC_64", + "BFD_RELOC_32", + "BFD_RELOC_26", + "BFD_RELOC_16", + "BFD_RELOC_14", + "BFD_RELOC_8", + "BFD_RELOC_64_PCREL", + "BFD_RELOC_32_PCREL", + "BFD_RELOC_24_PCREL", + "BFD_RELOC_16_PCREL", + "BFD_RELOC_8_PCREL", + "BFD_RELOC_32_BASEREL", + "BFD_RELOC_16_BASEREL", + "BFD_RELOC_8_BASEREL", + "BFD_RELOC_8_FFnn", + "BFD_RELOC_32_PCREL_S2", + "BFD_RELOC_16_PCREL_S2", + "BFD_RELOC_23_PCREL_S2", + "BFD_RELOC_HI22", + "BFD_RELOC_LO10", + "BFD_RELOC_GPREL16", + "BFD_RELOC_GPREL32", + "BFD_RELOC_I960_CALLJ", + "BFD_RELOC_NONE", + "BFD_RELOC_SPARC_WDISP22", + "BFD_RELOC_SPARC22", + "BFD_RELOC_SPARC13", + "BFD_RELOC_SPARC_GOT10", + "BFD_RELOC_SPARC_GOT13", + "BFD_RELOC_SPARC_GOT22", + "BFD_RELOC_SPARC_PC10", + "BFD_RELOC_SPARC_PC22", + "BFD_RELOC_SPARC_WPLT30", + "BFD_RELOC_SPARC_COPY", + "BFD_RELOC_SPARC_GLOB_DAT", + "BFD_RELOC_SPARC_JMP_SLOT", + "BFD_RELOC_SPARC_RELATIVE", + "BFD_RELOC_SPARC_UA32", + "BFD_RELOC_SPARC_BASE13", + "BFD_RELOC_SPARC_BASE22", + "BFD_RELOC_SPARC_10", + "BFD_RELOC_SPARC_11", + "BFD_RELOC_SPARC_OLO10", + "BFD_RELOC_SPARC_HH22", + "BFD_RELOC_SPARC_HM10", + "BFD_RELOC_SPARC_LM22", + "BFD_RELOC_SPARC_PC_HH22", + "BFD_RELOC_SPARC_PC_HM10", + "BFD_RELOC_SPARC_PC_LM22", + "BFD_RELOC_SPARC_WDISP16", + "BFD_RELOC_SPARC_WDISP19", + "BFD_RELOC_SPARC_GLOB_JMP", + "BFD_RELOC_SPARC_LO7", + "BFD_RELOC_ALPHA_GPDISP_HI16", + "BFD_RELOC_ALPHA_GPDISP_LO16", + "BFD_RELOC_ALPHA_LITERAL", + "BFD_RELOC_ALPHA_LITUSE", + "BFD_RELOC_ALPHA_HINT", + "BFD_RELOC_MIPS_JMP", + "BFD_RELOC_HI16", + "BFD_RELOC_HI16_S", + "BFD_RELOC_LO16", + "BFD_RELOC_PCREL_HI16_S", + "BFD_RELOC_PCREL_LO16", + "BFD_RELOC_MIPS_LITERAL", + "BFD_RELOC_MIPS_GOT16", + "BFD_RELOC_MIPS_CALL16", + "BFD_RELOC_386_GOT32", + "BFD_RELOC_386_PLT32", + "BFD_RELOC_386_COPY", + "BFD_RELOC_386_GLOB_DAT", + "BFD_RELOC_386_JUMP_SLOT", + "BFD_RELOC_386_RELATIVE", + "BFD_RELOC_386_GOTOFF", + "BFD_RELOC_386_GOTPC", + "BFD_RELOC_NS32K_IMM_8", + "BFD_RELOC_NS32K_IMM_16", + "BFD_RELOC_NS32K_IMM_32", + "BFD_RELOC_NS32K_IMM_8_PCREL", + "BFD_RELOC_NS32K_IMM_16_PCREL", + "BFD_RELOC_NS32K_IMM_32_PCREL", + "BFD_RELOC_NS32K_DISP_8", + "BFD_RELOC_NS32K_DISP_16", + "BFD_RELOC_NS32K_DISP_32", + "BFD_RELOC_NS32K_DISP_8_PCREL", + "BFD_RELOC_NS32K_DISP_16_PCREL", + "BFD_RELOC_NS32K_DISP_32_PCREL", + "BFD_RELOC_PPC_B26", + "BFD_RELOC_PPC_BA26", + "BFD_RELOC_PPC_TOC16", + "BFD_RELOC_CTOR", + "@@overflow: BFD_RELOC_UNUSED@@", +}; +#endif + const struct reloc_howto_struct * bfd_default_reloc_type_lookup PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); diff --git a/bfd/reloc.c b/bfd/reloc.c index 487be0e..1e5292c 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -41,6 +41,10 @@ SECTION @end menu */ + +/* DO compile in the reloc_code name table from libbfd.h. */ +#define _BFD_MAKE_TABLE_bfd_reloc_code_real + #include "bfd.h" #include "sysdep.h" #include "bfdlink.h" @@ -283,6 +287,7 @@ CODE_FRAGMENT .struct symbol_cache_entry; {* Forward declaration *} . .typedef unsigned char bfd_byte; +.typedef struct reloc_howto_struct reloc_howto_type; . .struct reloc_howto_struct .{ @@ -334,17 +339,6 @@ CODE_FRAGMENT . bfd *output_bfd, . char **error_message)); . -. -. {* If this field is non null, then the supplied function is -. called rather than the normal function. This is similar -. to special_function (previous), but takes different arguments, -. and is used for the new linking code. *} -. bfd_reloc_status_type (*special_function1) -. PARAMS((const reloc_howto_type *howto, -. bfd *input_bfd, -. bfd_vma relocation, -. bfd_byte *location)); -. . {* The textual name of the relocation type. *} . char *name; . @@ -376,7 +370,6 @@ CODE_FRAGMENT . boolean pcrel_offset; . .}; -.typedef struct reloc_howto_struct reloc_howto_type; */ @@ -389,9 +382,7 @@ DESCRIPTION .#define HOWTO(C, R,S,B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \ -. {(unsigned)C,R,S,B, P, BI, O,SF, 0,NAME,INPLACE,MASKSRC,MASKDST,PC} -.#define HOWTO2(C, R,S,B, P, BI, O, SF, SF1,NAME, INPLACE, MASKSRC, MASKDST, PC) \ -. {(unsigned)C,R,S,B, P, BI, O,SF, SF1,NAME,INPLACE,MASKSRC,MASKDST,PC} +. {(unsigned)C,R,S,B, P, BI, O,SF,NAME,INPLACE,MASKSRC,MASKDST,PC} DESCRIPTION And will be replaced with the totally magic way. But for the @@ -993,13 +984,6 @@ _bfd_final_link_relocate (howto, input_bfd, input_section, contents, address, relocation -= address; } - if(howto->special_function1) { - bfd_reloc_status_type cont; - cont = (*howto->special_function1)(howto, input_bfd, relocation, - contents + address); - if (cont != bfd_reloc_continue) - return cont; - } return _bfd_relocate_contents (howto, input_bfd, relocation, contents + address); } @@ -1222,204 +1206,339 @@ DESCRIPTION enumerator value; you can't get a howto pointer from a random set of attributes. +SENUM + bfd_reloc_code_real + +ENUM + BFD_RELOC_64 +ENUMX + BFD_RELOC_32 +ENUMX + BFD_RELOC_26 +ENUMX + BFD_RELOC_16 +ENUMX + BFD_RELOC_14 +ENUMX + BFD_RELOC_8 +ENUMDOC + Basic absolute relocations of N bits. + +ENUM + BFD_RELOC_64_PCREL +ENUMX + BFD_RELOC_32_PCREL +ENUMX + BFD_RELOC_24_PCREL +ENUMX + BFD_RELOC_16_PCREL +ENUMX + BFD_RELOC_8_PCREL +ENUMDOC + PC-relative relocations. Sometimes these are relative to the address +of the relocation itself; sometimes they are relative to the start of +the section containing the relocation. It depends on the specific target. + +The 24-bit relocation is used in some Intel 960 configurations. + +ENUM + BFD_RELOC_32_BASEREL +ENUMX + BFD_RELOC_16_BASEREL +ENUMX + BFD_RELOC_8_BASEREL +ENUMDOC + Linkage-table relative. + +ENUM + BFD_RELOC_8_FFnn +ENUMDOC + Absolute 8-bit relocation, but used to form an address like 0xFFnn. + +ENUM + BFD_RELOC_32_PCREL_S2 +ENUMX + BFD_RELOC_16_PCREL_S2 +ENUMX + BFD_RELOC_23_PCREL_S2 +ENUMDOC + These PC-relative relocations are stored as word displacements -- i.e., +byte displacements shifted right two bits. The 30-bit word displacement +(<<32_PCREL_S2>> -- 32 bits, shifted 2) is used on the SPARC. The signed +16-bit displacement is used on the MIPS, and the 23-bit displacement is +used on the Alpha. + +ENUM + BFD_RELOC_HI22 +ENUMX + BFD_RELOC_LO10 +ENUMDOC + High 22 bits and low 10 bits of 32-bit value, placed into lower bits of +the target word. These are used on the SPARC. + +ENUM + BFD_RELOC_GPREL16 +ENUMX + BFD_RELOC_GPREL32 +ENUMDOC + For systems that allocate a Global Pointer register, these are +displacements off that register. These relocation types are +handled specially, because the value the register will have is +decided relatively late. + + +ENUM + BFD_RELOC_I960_CALLJ +ENUMDOC + Reloc types used for i960/b.out. + +ENUM + BFD_RELOC_NONE +ENUMX + BFD_RELOC_SPARC_WDISP22 +ENUMX + BFD_RELOC_SPARC22 +ENUMX + BFD_RELOC_SPARC13 +ENUMX + BFD_RELOC_SPARC_GOT10 +ENUMX + BFD_RELOC_SPARC_GOT13 +ENUMX + BFD_RELOC_SPARC_GOT22 +ENUMX + BFD_RELOC_SPARC_PC10 +ENUMX + BFD_RELOC_SPARC_PC22 +ENUMX + BFD_RELOC_SPARC_WPLT30 +ENUMX + BFD_RELOC_SPARC_COPY +ENUMX + BFD_RELOC_SPARC_GLOB_DAT +ENUMX + BFD_RELOC_SPARC_JMP_SLOT +ENUMX + BFD_RELOC_SPARC_RELATIVE +ENUMX + BFD_RELOC_SPARC_UA32 +ENUMDOC + SPARC ELF relocations. There is probably some overlap with other + relocation types already defined. + +ENUM + BFD_RELOC_SPARC_BASE13 +ENUMX + BFD_RELOC_SPARC_BASE22 +ENUMDOC + I think these are specific to SPARC a.out (e.g., Sun 4). + +ENUMEQ + BFD_RELOC_SPARC_64 + BFD_RELOC_64 +ENUMX + BFD_RELOC_SPARC_10 +ENUMX + BFD_RELOC_SPARC_11 +ENUMX + BFD_RELOC_SPARC_OLO10 +ENUMX + BFD_RELOC_SPARC_HH22 +ENUMX + BFD_RELOC_SPARC_HM10 +ENUMX + BFD_RELOC_SPARC_LM22 +ENUMX + BFD_RELOC_SPARC_PC_HH22 +ENUMX + BFD_RELOC_SPARC_PC_HM10 +ENUMX + BFD_RELOC_SPARC_PC_LM22 +ENUMX + BFD_RELOC_SPARC_WDISP16 +ENUMX + BFD_RELOC_SPARC_WDISP19 +ENUMX + BFD_RELOC_SPARC_GLOB_JMP +ENUMX + BFD_RELOC_SPARC_LO7 +ENUMDOC + Some relocations we're using for SPARC V9 -- subject to change. + +ENUM + BFD_RELOC_ALPHA_GPDISP_HI16 +ENUMDOC + Alpha ECOFF relocations. Some of these treat the symbol or "addend" + in some special way. + For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when + writing; when reading, it will be the absolute section symbol. The + addend is the displacement in bytes of the "lda" instruction from + the "ldah" instruction (which is at the address of this reloc). +ENUM + BFD_RELOC_ALPHA_GPDISP_LO16 +ENUMDOC + For GPDISP_LO16 ("ignore") relocations, the symbol is handled as + with GPDISP_HI16 relocs. The addend is ignored when writing the + relocations out, and is filled in with the file's GP value on + reading, for convenience. + +ENUM + BFD_RELOC_ALPHA_LITERAL +ENUMX + BFD_RELOC_ALPHA_LITUSE +ENUMDOC + The Alpha LITERAL/LITUSE relocs are produced by a symbol reference; + the assembler turns it into a LDQ instruction to load the address of + the symbol, and then fills in a register in the real instruction. + + The LITERAL reloc, at the LDQ instruction, refers to the .lita + section symbol. The addend is ignored when writing, but is filled + in with the file's GP value on reading, for convenience, as with the + GPDISP_LO16 reloc. + + The LITUSE reloc, on the instruction using the loaded address, gives + information to the linker that it might be able to use to optimize + away some literal section references. The symbol is ignored (read + as the absolute section symbol), and the "addend" indicates the type + of instruction using the register: + 1 - "memory" fmt insn + 2 - byte-manipulation (byte offset reg) + 3 - jsr (target of branch) + + The GNU linker currently doesn't do any of this optimizing. + +ENUM + BFD_RELOC_ALPHA_HINT +ENUMDOC + The HINT relocation indicates a value that should be filled into the + "hint" field of a jmp/jsr/ret instruction, for possible branch- + prediction logic which may be provided on some processors. + +ENUM + BFD_RELOC_MIPS_JMP +ENUMDOC + Bits 27..2 of the relocation address shifted right 2 bits; + simple reloc otherwise. + +ENUM + BFD_RELOC_HI16 +ENUMDOC + High 16 bits of 32-bit value; simple reloc. +ENUM + BFD_RELOC_HI16_S +ENUMDOC + High 16 bits of 32-bit value but the low 16 bits will be sign + extended and added to form the final result. If the low 16 + bits form a negative number, we need to add one to the high value + to compensate for the borrow when the low bits are added. +ENUM + BFD_RELOC_LO16 +ENUMDOC + Low 16 bits. +ENUM + BFD_RELOC_PCREL_HI16_S +ENUMDOC + Like BFD_RELOC_HI16_S, but PC relative. +ENUM + BFD_RELOC_PCREL_LO16 +ENUMDOC + Like BFD_RELOC_LO16, but PC relative. + +ENUMEQ + BFD_RELOC_MIPS_GPREL + BFD_RELOC_GPREL16 +ENUMDOC + Relocation relative to the global pointer. + +ENUM + BFD_RELOC_MIPS_LITERAL +ENUMDOC + Relocation against a MIPS literal section. + +ENUM + BFD_RELOC_MIPS_GOT16 +ENUMX + BFD_RELOC_MIPS_CALL16 +ENUMEQX + BFD_RELOC_MIPS_GPREL32 + BFD_RELOC_GPREL32 +ENUMDOC + MIPS ELF relocations. + +ENUM + BFD_RELOC_386_GOT32 +ENUMX + BFD_RELOC_386_PLT32 +ENUMX + BFD_RELOC_386_COPY +ENUMX + BFD_RELOC_386_GLOB_DAT +ENUMX + BFD_RELOC_386_JUMP_SLOT +ENUMX + BFD_RELOC_386_RELATIVE +ENUMX + BFD_RELOC_386_GOTOFF +ENUMX + BFD_RELOC_386_GOTPC +ENUMDOC + i386/elf relocations + +ENUM + BFD_RELOC_NS32K_IMM_8 +ENUMX + BFD_RELOC_NS32K_IMM_16 +ENUMX + BFD_RELOC_NS32K_IMM_32 +ENUMX + BFD_RELOC_NS32K_IMM_8_PCREL +ENUMX + BFD_RELOC_NS32K_IMM_16_PCREL +ENUMX + BFD_RELOC_NS32K_IMM_32_PCREL +ENUMX + BFD_RELOC_NS32K_DISP_8 +ENUMX + BFD_RELOC_NS32K_DISP_16 +ENUMX + BFD_RELOC_NS32K_DISP_32 +ENUMX + BFD_RELOC_NS32K_DISP_8_PCREL +ENUMX + BFD_RELOC_NS32K_DISP_16_PCREL +ENUMX + BFD_RELOC_NS32K_DISP_32_PCREL +ENUMDOC + ns32k relocations + +ENUM + BFD_RELOC_PPC_B26 +ENUMDOC + PowerPC/POWER (RS/6000) relocs. + 26 bit relative branch. Low two bits must be zero. High 24 + bits installed in bits 6 through 29 of instruction. +ENUM + BFD_RELOC_PPC_BA26 +ENUMDOC + 26 bit absolute branch, like BFD_RELOC_PPC_B26 but absolute. +ENUM + BFD_RELOC_PPC_TOC16 +ENUMDOC + 16 bit TOC relative reference. + +ENUM + BFD_RELOC_CTOR +ENUMDOC + The type of reloc used to build a contructor table - at the moment + probably a 32 bit wide absolute relocation, but the target can choose. + It generally does map to one of the other relocation types. + +ENDSENUM + BFD_RELOC_UNUSED + CODE_FRAGMENT . -.typedef enum bfd_reloc_code_real -.{ -. {* Basic absolute relocations *} -. BFD_RELOC_64, -. BFD_RELOC_32, -. BFD_RELOC_26, -. BFD_RELOC_16, -. BFD_RELOC_14, -. BFD_RELOC_8, -. -. {* PC-relative relocations *} -. BFD_RELOC_64_PCREL, -. BFD_RELOC_32_PCREL, -. BFD_RELOC_24_PCREL, {* used by i960 *} -. BFD_RELOC_16_PCREL, -. BFD_RELOC_8_PCREL, -. -. {* Linkage-table relative *} -. BFD_RELOC_32_BASEREL, -. BFD_RELOC_16_BASEREL, -. BFD_RELOC_8_BASEREL, -. -. {* The type of reloc used to build a contructor table - at the moment -. probably a 32 bit wide abs address, but the cpu can choose. *} -. BFD_RELOC_CTOR, -. -. {* 8 bits wide, but used to form an address like 0xffnn *} -. BFD_RELOC_8_FFnn, -. -. {* 32-bit pc-relative, shifted right 2 bits (i.e., 30-bit -. word displacement, e.g. for SPARC) *} -. BFD_RELOC_32_PCREL_S2, -. {* signed 16-bit pc-relative, shifted right 2 bits (e.g. for MIPS) *} -. BFD_RELOC_16_PCREL_S2, -. {* this is used on the Alpha *} -. BFD_RELOC_23_PCREL_S2, -. -. {* High 22 bits of 32-bit value, placed into lower 22 bits of -. target word; simple reloc. *} -. BFD_RELOC_HI22, -. {* Low 10 bits. *} -. BFD_RELOC_LO10, -. -. {* For systems that allocate a Global Pointer register, these are -. displacements off that register. These relocation types are -. handled specially, because the value the register will have is -. decided relatively late. *} -. BFD_RELOC_GPREL16, -. BFD_RELOC_GPREL32, -. -. {* Reloc types used for i960/b.out. *} -. BFD_RELOC_I960_CALLJ, -. -. {* now for the sparc/elf codes *} -. BFD_RELOC_NONE, {* actually used *} -. BFD_RELOC_SPARC_WDISP22, -. BFD_RELOC_SPARC22, -. BFD_RELOC_SPARC13, -. BFD_RELOC_SPARC_GOT10, -. BFD_RELOC_SPARC_GOT13, -. BFD_RELOC_SPARC_GOT22, -. BFD_RELOC_SPARC_PC10, -. BFD_RELOC_SPARC_PC22, -. BFD_RELOC_SPARC_WPLT30, -. BFD_RELOC_SPARC_COPY, -. BFD_RELOC_SPARC_GLOB_DAT, -. BFD_RELOC_SPARC_JMP_SLOT, -. BFD_RELOC_SPARC_RELATIVE, -. BFD_RELOC_SPARC_UA32, -. -. {* these are a.out specific? *} -. BFD_RELOC_SPARC_BASE13, -. BFD_RELOC_SPARC_BASE22, -. -. {* some relocations we're using for sparc v9 -. -- subject to change *} -. BFD_RELOC_SPARC_10, -. BFD_RELOC_SPARC_11, -.#define BFD_RELOC_SPARC_64 BFD_RELOC_64 -. BFD_RELOC_SPARC_OLO10, -. BFD_RELOC_SPARC_HH22, -. BFD_RELOC_SPARC_HM10, -. BFD_RELOC_SPARC_LM22, -. BFD_RELOC_SPARC_PC_HH22, -. BFD_RELOC_SPARC_PC_HM10, -. BFD_RELOC_SPARC_PC_LM22, -. BFD_RELOC_SPARC_WDISP16, -. BFD_RELOC_SPARC_WDISP19, -. BFD_RELOC_SPARC_GLOB_JMP, -. BFD_RELOC_SPARC_LO7, -. -. {* Alpha ECOFF relocations. Some of these treat the symbol or "addend" -. in some special way. *} -. {* For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when -. writing; when reading, it will be the absolute section symbol. The -. addend is the displacement in bytes of the "lda" instruction from -. the "ldah" instruction (which is at the address of this reloc). *} -. BFD_RELOC_ALPHA_GPDISP_HI16, -. {* For GPDISP_LO16 ("ignore") relocations, the symbol is handled as -. with GPDISP_HI16 relocs. The addend is ignored when writing the -. relocations out, and is filled in with the file's GP value on -. reading, for convenience. *} -. BFD_RELOC_ALPHA_GPDISP_LO16, -. -. {* The Alpha LITERAL/LITUSE relocs are produced by a symbol reference; -. the assembler turns it into a LDQ instruction to load the address of -. the symbol, and then fills in a register in the real instruction. -. -. The LITERAL reloc, at the LDQ instruction, refers to the .lita -. section symbol. The addend is ignored when writing, but is filled -. in with the file's GP value on reading, for convenience, as with the -. GPDISP_LO16 reloc. -. -. The LITUSE reloc, on the instruction using the loaded address, gives -. information to the linker that it might be able to use to optimize -. away some literal section references. The symbol is ignored (read -. as the absolute section symbol), and the "addend" indicates the type -. of instruction using the register: -. 1 - "memory" fmt insn -. 2 - byte-manipulation (byte offset reg) -. 3 - jsr (target of branch) -. -. The GNU linker currently doesn't do any of this optimizing. *} -. BFD_RELOC_ALPHA_LITERAL, -. BFD_RELOC_ALPHA_LITUSE, -. -. {* The HINT relocation indicates a value that should be filled into the -. "hint" field of a jmp/jsr/ret instruction, for possible branch- -. prediction logic which may be provided on some processors. *} -. BFD_RELOC_ALPHA_HINT, -. -. {* Bits 27..2 of the relocation address shifted right 2 bits; -. simple reloc otherwise. *} -. BFD_RELOC_MIPS_JMP, -. -. {* High 16 bits of 32-bit value; simple reloc. *} -. BFD_RELOC_HI16, -. {* High 16 bits of 32-bit value but the low 16 bits will be sign -. extended and added to form the final result. If the low 16 -. bits form a negative number, we need to add one to the high value -. to compensate for the borrow when the low bits are added. *} -. BFD_RELOC_HI16_S, -. {* Low 16 bits. *} -. BFD_RELOC_LO16, -. {* Like BFD_RELOC_HI16_S, but PC relative. *} -. BFD_RELOC_PCREL_HI16_S, -. {* Like BFD_RELOC_LO16, but PC relative. *} -. BFD_RELOC_PCREL_LO16, -. -. {* relocation relative to the global pointer. *} -.#define BFD_RELOC_MIPS_GPREL BFD_RELOC_GPREL16 -. -. {* Relocation against a MIPS literal section. *} -. BFD_RELOC_MIPS_LITERAL, -. -. {* MIPS ELF relocations. *} -. BFD_RELOC_MIPS_GOT16, -. BFD_RELOC_MIPS_CALL16, -.#define BFD_RELOC_MIPS_GPREL32 BFD_RELOC_GPREL32 -. -. {* i386/elf relocations *} -. BFD_RELOC_386_GOT32, -. BFD_RELOC_386_PLT32, -. BFD_RELOC_386_COPY, -. BFD_RELOC_386_GLOB_DAT, -. BFD_RELOC_386_JUMP_SLOT, -. BFD_RELOC_386_RELATIVE, -. BFD_RELOC_386_GOTOFF, -. BFD_RELOC_386_GOTPC, -. -. {* ns32k relocations *} -. BFD_RELOC_NS32K_IMM_8, -. BFD_RELOC_NS32K_IMM_16, -. BFD_RELOC_NS32K_IMM_32, -. BFD_RELOC_NS32K_IMM_8_PCREL, -. BFD_RELOC_NS32K_IMM_16_PCREL, -. BFD_RELOC_NS32K_IMM_32_PCREL, -. BFD_RELOC_NS32K_DISP_8, -. BFD_RELOC_NS32K_DISP_16, -. BFD_RELOC_NS32K_DISP_32, -. BFD_RELOC_NS32K_DISP_8_PCREL, -. BFD_RELOC_NS32K_DISP_16_PCREL, -. BFD_RELOC_NS32K_DISP_32_PCREL, -. -. {* PowerPC/POWER (RS/6000) relocs. *} -. {* 26 bit relative branch. Low two bits must be zero. High 24 -. bits installed in bits 6 through 29 of instruction. *} -. BFD_RELOC_PPC_B26, -. {* 26 bit absolute branch, like BFD_RELOC_PPC_B26 but absolute. *} -. BFD_RELOC_PPC_BA26, -. {* 16 bit TOC relative reference. *} -. BFD_RELOC_PPC_TOC16, -. -. {* this must be the highest numeric value *} -. BFD_RELOC_UNUSED -. } bfd_reloc_code_real_type; +.typedef enum bfd_reloc_code_real bfd_reloc_code_real_type; */ @@ -1492,6 +1611,26 @@ bfd_default_reloc_type_lookup (abfd, code) return (const struct reloc_howto_struct *) NULL; } +/* +FUNCTION + bfd_get_reloc_code_name + +SYNOPSIS + const char *bfd_get_reloc_code_name (bfd_reloc_code_real_type code); + +DESCRIPTION + Provides a printable name for the supplied relocation code. + Useful mainly for printing error messages. +*/ + +const char * +bfd_get_reloc_code_name (code) + bfd_reloc_code_real_type code; +{ + if (code > BFD_RELOC_UNUSED) + return 0; + return bfd_reloc_code_real_names[(int)code]; +} /* INTERNAL_FUNCTION |