diff options
Diffstat (limited to 'bfd/reloc.c')
| -rw-r--r-- | bfd/reloc.c | 237 |
1 files changed, 119 insertions, 118 deletions
diff --git a/bfd/reloc.c b/bfd/reloc.c index ef98042..3ab02f9 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -65,31 +65,31 @@ CODE_FRAGMENT . .typedef enum bfd_reloc_status .{ -. {* No errors detected *} +. {* No errors detected *} . bfd_reloc_ok, . -. {* The relocation was performed, but there was an overflow. *} +. {* The relocation was performed, but there was an overflow. *} . bfd_reloc_overflow, . -. {* The address to relocate was not within the section supplied. *} +. {* The address to relocate was not within the section supplied. *} . bfd_reloc_outofrange, . -. {* Used by special functions *} +. {* Used by special functions *} . bfd_reloc_continue, . -. {* Unsupported relocation size requested. *} +. {* Unsupported relocation size requested. *} . bfd_reloc_notsupported, . -. {* Unused *} +. {* Unused *} . bfd_reloc_other, . -. {* The symbol to relocate against was undefined. *} +. {* The symbol to relocate against was undefined. *} . bfd_reloc_undefined, . -. {* The relocation was performed, but may not be ok - presently -. generated only when linking i960 coff files with i960 b.out -. symbols. If this type is returned, the error_message argument -. to bfd_perform_relocation will be set. *} +. {* The relocation was performed, but may not be ok - presently +. generated only when linking i960 coff files with i960 b.out +. symbols. If this type is returned, the error_message argument +. to bfd_perform_relocation will be set. *} . bfd_reloc_dangerous . } . bfd_reloc_status_type; @@ -97,16 +97,16 @@ CODE_FRAGMENT . .typedef struct reloc_cache_entry .{ -. {* A pointer into the canonical table of pointers *} +. {* A pointer into the canonical table of pointers *} . struct symbol_cache_entry **sym_ptr_ptr; . -. {* offset in section *} +. {* offset in section *} . bfd_size_type address; . -. {* addend for relocation value *} +. {* addend for relocation value *} . bfd_vma addend; . -. {* Pointer to how to perform the required relocation *} +. {* Pointer to how to perform the required relocation *} . reloc_howto_type *howto; . .} arelent; @@ -250,19 +250,19 @@ CODE_FRAGMENT . .enum complain_overflow .{ -. {* Do not complain on overflow. *} +. {* Do not complain on overflow. *} . complain_overflow_dont, . -. {* Complain if the bitfield overflows, whether it is considered -. as signed or unsigned. *} +. {* Complain if the bitfield overflows, whether it is considered +. as signed or unsigned. *} . complain_overflow_bitfield, . -. {* Complain if the value overflows when considered as signed -. number. *} +. {* Complain if the value overflows when considered as signed +. number. *} . complain_overflow_signed, . -. {* Complain if the value overflows when considered as an -. unsigned number. *} +. {* Complain if the value overflows when considered as an +. unsigned number. *} . complain_overflow_unsigned .}; @@ -280,97 +280,91 @@ CODE_FRAGMENT . .struct reloc_howto_struct .{ -. {* The type field has mainly a documentary use - the back end can -. do what it wants with it, though normally the back end's -. external idea of what a reloc number is stored -. in this field. For example, a PC relative word relocation -. in a coff environment has the type 023 - because that's -. what the outside world calls a R_PCRWORD reloc. *} +. {* The type field has mainly a documentary use - the back end can +. do what it wants with it, though normally the back end's +. external idea of what a reloc number is stored +. in this field. For example, a PC relative word relocation +. in a coff environment has the type 023 - because that's +. what the outside world calls a R_PCRWORD reloc. *} . unsigned int type; . -. {* The value the final relocation is shifted right by. This drops -. unwanted data from the relocation. *} +. {* The value the final relocation is shifted right by. This drops +. unwanted data from the relocation. *} . unsigned int rightshift; . -. {* The size of the item to be relocated. This is *not* a -. power-of-two measure. To get the number of bytes operated -. on by a type of relocation, use bfd_get_reloc_size. *} +. {* The size of the item to be relocated. This is *not* a +. power-of-two measure. To get the number of bytes operated +. on by a type of relocation, use bfd_get_reloc_size. *} . int size; . -. {* The number of bits in the item to be relocated. This is used -. when doing overflow checking. *} +. {* The number of bits in the item to be relocated. This is used +. when doing overflow checking. *} . unsigned int bitsize; . -. {* Notes that the relocation is relative to the location in the -. data section of the addend. The relocation function will -. subtract from the relocation value the address of the location -. being relocated. *} +. {* Notes that the relocation is relative to the location in the +. data section of the addend. The relocation function will +. subtract from the relocation value the address of the location +. being relocated. *} . boolean pc_relative; . -. {* The bit position of the reloc value in the destination. -. The relocated value is left shifted by this amount. *} +. {* The bit position of the reloc value in the destination. +. The relocated value is left shifted by this amount. *} . unsigned int bitpos; . -. {* What type of overflow error should be checked for when -. relocating. *} +. {* What type of overflow error should be checked for when +. relocating. *} . enum complain_overflow complain_on_overflow; . -. {* If this field is non null, then the supplied function is -. called rather than the normal function. This allows really -. strange relocation methods to be accomodated (e.g., i960 callj -. instructions). *} +. {* If this field is non null, then the supplied function is +. called rather than the normal function. This allows really +. strange relocation methods to be accomodated (e.g., i960 callj +. instructions). *} . bfd_reloc_status_type (*special_function) -. PARAMS ((bfd *abfd, -. arelent *reloc_entry, -. struct symbol_cache_entry *symbol, -. PTR data, -. asection *input_section, -. bfd *output_bfd, -. char **error_message)); +. PARAMS ((bfd *, arelent *, struct symbol_cache_entry *, PTR, asection *, +. bfd *, char **)); . -. {* The textual name of the relocation type. *} +. {* The textual name of the relocation type. *} . char *name; . -. {* Some formats record a relocation addend in the section contents -. rather than with the relocation. For ELF formats this is the -. distinction between USE_REL and USE_RELA (though the code checks -. for USE_REL == 1/0). The value of this field is TRUE if the -. addend is recorded with the section contents; when performing a -. partial link (ld -r) the section contents (the data) will be -. modified. The value of this field is FALSE if addends are -. recorded with the relocation (in arelent.addend); when performing -. a partial link the relocation will be modified. -. All relocations for all ELF USE_RELA targets should set this field -. to FALSE (values of TRUE should be looked on with suspicion). -. However, the converse is not true: not all relocations of all ELF -. USE_REL targets set this field to TRUE. Why this is so is peculiar -. to each particular target. For relocs that aren't used in partial -. links (e.g. GOT stuff) it doesn't matter what this is set to. *} +. {* Some formats record a relocation addend in the section contents +. rather than with the relocation. For ELF formats this is the +. distinction between USE_REL and USE_RELA (though the code checks +. for USE_REL == 1/0). The value of this field is TRUE if the +. addend is recorded with the section contents; when performing a +. partial link (ld -r) the section contents (the data) will be +. modified. The value of this field is FALSE if addends are +. recorded with the relocation (in arelent.addend); when performing +. a partial link the relocation will be modified. +. All relocations for all ELF USE_RELA targets should set this field +. to FALSE (values of TRUE should be looked on with suspicion). +. However, the converse is not true: not all relocations of all ELF +. USE_REL targets set this field to TRUE. Why this is so is peculiar +. to each particular target. For relocs that aren't used in partial +. links (e.g. GOT stuff) it doesn't matter what this is set to. *} . boolean partial_inplace; . -. {* The src_mask selects which parts of the read in data -. are to be used in the relocation sum. E.g., if this was an 8 bit -. byte of data which we read and relocated, this would be -. 0x000000ff. When we have relocs which have an addend, such as -. sun4 extended relocs, the value in the offset part of a -. relocating field is garbage so we never use it. In this case -. the mask would be 0x00000000. *} +. {* The src_mask selects which parts of the read in data +. are to be used in the relocation sum. E.g., if this was an 8 bit +. byte of data which we read and relocated, this would be +. 0x000000ff. When we have relocs which have an addend, such as +. sun4 extended relocs, the value in the offset part of a +. relocating field is garbage so we never use it. In this case +. the mask would be 0x00000000. *} . bfd_vma src_mask; . -. {* The dst_mask selects which parts of the instruction are replaced -. into the instruction. In most cases src_mask == dst_mask, -. except in the above special case, where dst_mask would be -. 0x000000ff, and src_mask would be 0x00000000. *} +. {* The dst_mask selects which parts of the instruction are replaced +. into the instruction. In most cases src_mask == dst_mask, +. except in the above special case, where dst_mask would be +. 0x000000ff, and src_mask would be 0x00000000. *} . bfd_vma dst_mask; . -. {* When some formats create PC relative instructions, they leave -. the value of the pc of the place being relocated in the offset -. slot of the instruction, so that a PC relative relocation can -. be made just by adding in an ordinary offset (e.g., sun3 a.out). -. Some formats leave the displacement part of an instruction -. empty (e.g., m88k bcs); this flag signals the fact.*} +. {* When some formats create PC relative instructions, they leave +. the value of the pc of the place being relocated in the offset +. slot of the instruction, so that a PC relative relocation can +. be made just by adding in an ordinary offset (e.g., sun3 a.out). +. Some formats leave the displacement part of an instruction +. empty (e.g., m88k bcs); this flag signals the fact. *} . boolean pcrel_offset; -. .}; */ @@ -382,37 +376,43 @@ FUNCTION DESCRIPTION The HOWTO define is horrible and will go away. -.#define HOWTO(C, R,S,B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \ -. {(unsigned)C,R,S,B, P, BI, O,SF,NAME,INPLACE,MASKSRC,MASKDST,PC} +.#define HOWTO(C, R, S, B, P, BI, O, SF, 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 moment, we are compatible, so do it this way. -.#define NEWHOWTO( FUNCTION, NAME,SIZE,REL,IN) HOWTO(0,0,SIZE,0,REL,0,complain_overflow_dont,FUNCTION, NAME,false,0,0,IN) +.#define NEWHOWTO(FUNCTION, NAME, SIZE, REL, IN) \ +. HOWTO (0, 0, SIZE, 0, REL, 0, complain_overflow_dont, FUNCTION, \ +. NAME, false, 0, 0, IN) . DESCRIPTION This is used to fill in an empty howto entry in an array. .#define EMPTY_HOWTO(C) \ -. HOWTO((C),0,0,0,false,0,complain_overflow_dont,NULL,NULL,false,0,0,false) +. HOWTO ((C), 0, 0, 0, false, 0, complain_overflow_dont, NULL, \ +. NULL, false, 0, 0, false) . DESCRIPTION Helper routine to turn a symbol into a relocation value. -.#define HOWTO_PREPARE(relocation, symbol) \ -. { \ -. if (symbol != (asymbol *)NULL) { \ -. if (bfd_is_com_section (symbol->section)) { \ -. relocation = 0; \ -. } \ -. else { \ -. relocation = symbol->value; \ -. } \ -. } \ -.} +.#define HOWTO_PREPARE(relocation, symbol) \ +. { \ +. if (symbol != (asymbol *) NULL) \ +. { \ +. if (bfd_is_com_section (symbol->section)) \ +. { \ +. relocation = 0; \ +. } \ +. else \ +. { \ +. relocation = symbol->value; \ +. } \ +. } \ +. } */ @@ -453,9 +453,10 @@ DESCRIPTION How relocs are tied together in an <<asection>>: -.typedef struct relent_chain { +.typedef struct relent_chain +.{ . arelent relent; -. struct relent_chain *next; +. struct relent_chain *next; .} arelent_chain; */ @@ -903,14 +904,14 @@ space consuming. For each target: { short x = bfd_get_16 (abfd, (bfd_byte *) data + octets); DOIT (x); - bfd_put_16 (abfd, x, (unsigned char *) data + octets); + bfd_put_16 (abfd, (bfd_vma) x, (unsigned char *) data + octets); } break; case 2: { long x = bfd_get_32 (abfd, (bfd_byte *) data + octets); DOIT (x); - bfd_put_32 (abfd, x, (bfd_byte *) data + octets); + bfd_put_32 (abfd, (bfd_vma) x, (bfd_byte *) data + octets); } break; case -2: @@ -918,7 +919,7 @@ space consuming. For each target: long x = bfd_get_32 (abfd, (bfd_byte *) data + octets); relocation = -relocation; DOIT (x); - bfd_put_32 (abfd, x, (bfd_byte *) data + octets); + bfd_put_32 (abfd, (bfd_vma) x, (bfd_byte *) data + octets); } break; @@ -927,7 +928,7 @@ space consuming. For each target: long x = bfd_get_16 (abfd, (bfd_byte *) data + octets); relocation = -relocation; DOIT (x); - bfd_put_16 (abfd, x, (bfd_byte *) data + octets); + bfd_put_16 (abfd, (bfd_vma) x, (bfd_byte *) data + octets); } break; @@ -1292,14 +1293,14 @@ space consuming. For each target: { short x = bfd_get_16 (abfd, (bfd_byte *) data); DOIT (x); - bfd_put_16 (abfd, x, (unsigned char *) data); + bfd_put_16 (abfd, (bfd_vma) x, (unsigned char *) data); } break; case 2: { long x = bfd_get_32 (abfd, (bfd_byte *) data); DOIT (x); - bfd_put_32 (abfd, x, (bfd_byte *) data); + bfd_put_32 (abfd, (bfd_vma) x, (bfd_byte *) data); } break; case -2: @@ -1307,7 +1308,7 @@ space consuming. For each target: long x = bfd_get_32 (abfd, (bfd_byte *) data); relocation = -relocation; DOIT (x); - bfd_put_32 (abfd, x, (bfd_byte *) data); + bfd_put_32 (abfd, (bfd_vma) x, (bfd_byte *) data); } break; @@ -1955,8 +1956,8 @@ ENUM ENUMX BFD_RELOC_ALPHA_GPREL_LO16 ENUMDOC - The GPREL_HI/LO relocations together form a 32-bit offset from the - GP register. + The GPREL_HI/LO relocations together form a 32-bit offset from the + GP register. ENUM BFD_RELOC_MIPS_JMP @@ -2224,7 +2225,7 @@ ENUMX ENUMX BFD_RELOC_PPC64_TOC ENUMX - BFD_RELOC_PPC64_PLTGOT16 + BFD_RELOC_PPC64_PLTGOT16 ENUMX BFD_RELOC_PPC64_PLTGOT16_LO ENUMX @@ -2874,7 +2875,7 @@ ENUM BFD_RELOC_390_GOTENT ENUMDOC 32 bit rel. offset to GOT entry. - + ENUM BFD_RELOC_VTABLE_INHERIT ENUMX @@ -3394,7 +3395,7 @@ bfd_generic_get_relocated_section_contents (abfd, link_info, link_order, data, if (reloc_size < 0) goto error_return; - reloc_vector = (arelent **) bfd_malloc ((size_t) reloc_size); + reloc_vector = (arelent **) bfd_malloc ((bfd_size_type) reloc_size); if (reloc_vector == NULL && reloc_size != 0) goto error_return; @@ -3402,7 +3403,7 @@ bfd_generic_get_relocated_section_contents (abfd, link_info, link_order, data, if (!bfd_get_section_contents (input_bfd, input_section, (PTR) data, - 0, + (bfd_vma) 0, input_section->_raw_size)) goto error_return; |