X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Freloc.c;h=e01cb5182ec2a1e4d3d5675662d791b85d0fa5fa;hb=618265039f697eab9e72bb58b95fc2d32925df58;hp=d6252c850677a560e45efb9b841f8258e0e53d9a;hpb=1107e076cff62e1093da024ab73e5648051781ab;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/reloc.c b/bfd/reloc.c index d6252c8506..e01cb5182e 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -1,5 +1,5 @@ /* BFD support for handling relocation entries. - Copyright (C) 1990-2015 Free Software Foundation, Inc. + Copyright (C) 1990-2019 Free Software Foundation, Inc. Written by Cygnus Support. This file is part of BFD, the Binary File Descriptor library. @@ -50,6 +50,7 @@ SECTION #include "bfd.h" #include "bfdlink.h" #include "libbfd.h" +#include "bfdver.h" /* DOCDD INODE @@ -64,8 +65,9 @@ CODE_FRAGMENT . .typedef enum bfd_reloc_status .{ -. {* No errors detected. *} -. bfd_reloc_ok, +. {* No errors detected. Note - the value 2 is used so that it +. will not be mistaken for the boolean TRUE or FALSE values. *} +. bfd_reloc_ok = 2, . . {* The relocation was performed, but there was an overflow. *} . bfd_reloc_overflow, @@ -85,14 +87,14 @@ CODE_FRAGMENT . {* 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. If this type is +. returned, the error_message argument to bfd_perform_relocation +. will be set. *} . bfd_reloc_dangerous . } . bfd_reloc_status_type; . +.typedef const struct reloc_howto_struct reloc_howto_type; . .typedef struct reloc_cache_entry .{ @@ -116,31 +118,31 @@ CODE_FRAGMENT /* DESCRIPTION - Here is a description of each of the fields within an <>: + Here is a description of each of the fields within an <>: - o <> + o <> - The symbol table pointer points to a pointer to the symbol - associated with the relocation request. It is the pointer - into the table returned by the back end's - <> action. @xref{Symbols}. The symbol is - referenced through a pointer to a pointer so that tools like - the linker can fix up all the symbols of the same name by - modifying only one pointer. The relocation routine looks in - the symbol and uses the base of the section the symbol is - attached to and the value of the symbol as the initial - relocation offset. If the symbol pointer is zero, then the - section provided is looked up. + The symbol table pointer points to a pointer to the symbol + associated with the relocation request. It is the pointer + into the table returned by the back end's + <> action. @xref{Symbols}. The symbol is + referenced through a pointer to a pointer so that tools like + the linker can fix up all the symbols of the same name by + modifying only one pointer. The relocation routine looks in + the symbol and uses the base of the section the symbol is + attached to and the value of the symbol as the initial + relocation offset. If the symbol pointer is zero, then the + section provided is looked up. - o <
> + o <
> - The <
> field gives the offset in bytes from the base of - the section data which owns the relocation record to the first - byte of relocatable information. The actual data relocated - will be relative to this point; for example, a relocation - type which modifies the bottom two bytes of a four byte word - would not touch the first byte pointed to in a big endian - world. + The <
> field gives the offset in bytes from the base of + the section data which owns the relocation record to the first + byte of relocatable information. The actual data relocated + will be relative to this point; for example, a relocation + type which modifies the bottom two bytes of a four byte word + would not touch the first byte pointed to in a big endian + world. o <> @@ -154,7 +156,7 @@ DESCRIPTION | return foo[0x12345678]; | } - Could be compiled into: + Could be compiled into: | linkw fp,#-4 | moveb @@#12345678,d0 @@ -162,8 +164,8 @@ DESCRIPTION | unlk fp | rts - This could create a reloc pointing to <>, but leave the - offset in the data, something like: + This could create a reloc pointing to <>, but leave the + offset in the data, something like: |RELOCATION RECORDS FOR [.text]: |offset type value @@ -175,16 +177,16 @@ DESCRIPTION |0000000c 4e5e ; unlk fp |0000000e 4e75 ; rts - Using coff and an 88k, some instructions don't have enough - space in them to represent the full address range, and - pointers have to be loaded in two parts. So you'd get something like: + Using coff and an 88k, some instructions don't have enough + space in them to represent the full address range, and + pointers have to be loaded in two parts. So you'd get something like: | or.u r13,r0,hi16(_foo+0x12345678) | ld.b r2,r13,lo16(_foo+0x12345678) | jmp r1 - This should create two relocs, both pointing to <<_foo>>, and with - 0x12340000 in their addend field. The data would consist of: + This should create two relocs, both pointing to <<_foo>>, and with + 0x12340000 in their addend field. The data would consist of: |RELOCATION RECORDS FOR [.text]: |offset type value @@ -195,18 +197,18 @@ DESCRIPTION |00000004 1c4d5678 ; ld.b r2,r13,0x5678 |00000008 f400c001 ; jmp r1 - The relocation routine digs out the value from the data, adds - it to the addend to get the original offset, and then adds the - value of <<_foo>>. Note that all 32 bits have to be kept around - somewhere, to cope with carry from bit 15 to bit 16. + The relocation routine digs out the value from the data, adds + it to the addend to get the original offset, and then adds the + value of <<_foo>>. Note that all 32 bits have to be kept around + somewhere, to cope with carry from bit 15 to bit 16. - One further example is the sparc and the a.out format. The - sparc has a similar problem to the 88k, in that some - instructions don't have room for an entire offset, but on the - sparc the parts are created in odd sized lumps. The designers of - the a.out format chose to not use the data within the section - for storing part of the offset; all the offset is kept within - the reloc. Anything in the data should be ignored. + One further example is the sparc and the a.out format. The + sparc has a similar problem to the 88k, in that some + instructions don't have room for an entire offset, but on the + sparc the parts are created in odd sized lumps. The designers of + the a.out format chose to not use the data within the section + for storing part of the offset; all the offset is kept within + the reloc. Anything in the data should be ignored. | save %sp,-112,%sp | sethi %hi(_foo+0x12345678),%g2 @@ -214,8 +216,8 @@ DESCRIPTION | ret | restore - Both relocs contain a pointer to <>, and the offsets - contain junk. + Both relocs contain a pointer to <>, and the offsets + contain junk. |RELOCATION RECORDS FOR [.text]: |offset type value @@ -228,15 +230,15 @@ DESCRIPTION |0000000c 81c7e008 ; ret |00000010 81e80000 ; restore - o <> + o <> - The <> field can be imagined as a - relocation instruction. It is a pointer to a structure which - contains information on what to do with all of the other - information in the reloc record and data section. A back end - would normally have a relocation instruction set and turn - relocations into pointers to the correct structure on input - - but it would be possible to create each howto field on demand. + The <> field can be imagined as a + relocation instruction. It is a pointer to a structure which + contains information on what to do with all of the other + information in the reloc record and data section. A back end + would normally have a relocation instruction set and turn + relocations into pointers to the correct structure on input - + but it would be possible to create each howto field on demand. */ @@ -272,58 +274,45 @@ CODE_FRAGMENT /* SUBSUBSECTION - <> + <> - The <> is a structure which contains all the - information that libbfd needs to know to tie up a back end's data. + The <> is a structure which contains all the + information that libbfd needs to know to tie up a back end's data. CODE_FRAGMENT -.struct bfd_symbol; {* Forward declaration. *} -. .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 idea of +. an external reloc number is stored in this field. *} . unsigned int type; . -. {* 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. *} -. int size; +. {* The encoded size of the item to be relocated. This is *not* a +. power-of-two measure. Use bfd_get_reloc_size to find the size +. of the item in bytes. *} +. unsigned int size:3; . -. {* The number of bits in the item to be relocated. This is used -. when doing overflow checking. *} -. unsigned int bitsize; +. {* The number of bits in the field to be relocated. This is used +. when doing overflow checking. *} +. unsigned int bitsize:7; . -. {* The relocation is relative to the field being relocated. *} -. bfd_boolean pc_relative; +. {* The value the final relocation is shifted right by. This drops +. unwanted data from the relocation. *} +. unsigned int rightshift:6; . -. {* The bit position of the reloc value in the destination. -. The relocated value is left shifted by this amount. *} -. unsigned int bitpos; +. {* The bit position of the reloc value in the destination. +. The relocated value is left shifted by this amount. *} +. unsigned int bitpos:6; . . {* What type of overflow error should be checked for when . relocating. *} -. enum complain_overflow complain_on_overflow; +. ENUM_BITFIELD (complain_overflow) complain_on_overflow:2; . -. {* 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 accommodated (e.g., i960 callj -. instructions). *} -. bfd_reloc_status_type (*special_function) -. (bfd *, arelent *, struct bfd_symbol *, void *, asection *, -. bfd *, char **); +. {* The relocation value should be negated before applying. *} +. unsigned int negate:1; . -. {* The textual name of the relocation type. *} -. char *name; +. {* The relocation is relative to the item being relocated. *} +. unsigned int pc_relative:1; . . {* Some formats record a relocation addend in the section contents . rather than with the relocation. For ELF formats this is the @@ -340,29 +329,39 @@ CODE_FRAGMENT . 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. *} -. bfd_boolean partial_inplace; +. unsigned int partial_inplace:1; +. +. {* 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., ELF); this flag signals the fact. *} +. unsigned int pcrel_offset:1; . . {* src_mask selects the part of the instruction (or data) to be used . in the relocation sum. If the target relocations don't have an . addend in the reloc, eg. ELF USE_REL, src_mask will normally equal . dst_mask to extract the addend from the section contents. If . relocations do have an addend in the reloc, eg. ELF USE_RELA, this -. field should be zero. Non-zero values for ELF USE_RELA targets are -. bogus as in those cases the value in the dst_mask part of the -. section contents should be treated as garbage. *} +. field should normally be zero. Non-zero values for ELF USE_RELA +. targets should be viewed with suspicion as normally the value in +. the dst_mask part of the section contents should be ignored. *} . bfd_vma src_mask; . . {* dst_mask selects which parts of the instruction (or data) are . replaced with a relocated value. *} . 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. *} -. bfd_boolean pcrel_offset; +. {* 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 accommodated. *} +. bfd_reloc_status_type (*special_function) +. (bfd *, arelent *, struct bfd_symbol *, void *, asection *, +. bfd *, char **); +. +. {* The textual name of the relocation type. *} +. const char *name; .}; . */ @@ -372,45 +371,20 @@ FUNCTION The HOWTO Macro 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 } - -DESCRIPTION - And will be replaced with the totally magic way. But for the - moment, we are compatible, so do it this way. + The HOWTO macro fills in a reloc_howto_type (a typedef for + const struct reloc_howto_struct). -.#define NEWHOWTO(FUNCTION, NAME, SIZE, REL, IN) \ -. HOWTO (0, 0, SIZE, 0, REL, 0, complain_overflow_dont, FUNCTION, \ -. NAME, FALSE, 0, 0, IN) -. +.#define HOWTO(type, right, size, bits, pcrel, left, ovf, func, name, \ +. inplace, src_mask, dst_mask, pcrel_off) \ +. { (unsigned) type, size < 0 ? -size : size, bits, right, left, ovf, \ +. size < 0, pcrel, inplace, pcrel_off, src_mask, dst_mask, func, name } 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) -. - -DESCRIPTION - Helper routine to turn a symbol into a relocation value. - -.#define HOWTO_PREPARE(relocation, symbol) \ -. { \ -. if (symbol != NULL) \ -. { \ -. if (bfd_is_com_section (symbol->section)) \ -. { \ -. relocation = 0; \ -. } \ -. else \ -. { \ -. relocation = symbol->value; \ -. } \ -. } \ -. } +. NULL, FALSE, 0, 0, FALSE) . */ @@ -436,9 +410,7 @@ bfd_get_reloc_size (reloc_howto_type *howto) case 2: return 4; case 3: return 0; case 4: return 8; - case 8: return 16; - case -1: return 2; - case -2: return 4; + case 5: return 3; default: abort (); } } @@ -510,7 +482,7 @@ bfd_check_overflow (enum complain_overflow how, case complain_overflow_signed: /* If any sign bits are set, all sign bits must be set. That - is, A must be a valid negative address after shifting. */ + is, A must be a valid negative address after shifting. */ signmask = ~ (fieldmask >> 1); /* Fall thru */ @@ -538,17 +510,142 @@ bfd_check_overflow (enum complain_overflow how, return flag; } +/* +FUNCTION + bfd_reloc_offset_in_range + +SYNOPSIS + bfd_boolean bfd_reloc_offset_in_range + (reloc_howto_type *howto, + bfd *abfd, + asection *section, + bfd_size_type offset); + +DESCRIPTION + Returns TRUE if the reloc described by @var{HOWTO} can be + applied at @var{OFFSET} octets in @var{SECTION}. + +*/ + +/* HOWTO describes a relocation, at offset OCTET. Return whether the + relocation field is within SECTION of ABFD. */ + +bfd_boolean +bfd_reloc_offset_in_range (reloc_howto_type *howto, + bfd *abfd, + asection *section, + bfd_size_type octet) +{ + bfd_size_type octet_end = bfd_get_section_limit_octets (abfd, section); + bfd_size_type reloc_size = bfd_get_reloc_size (howto); + + /* The reloc field must be contained entirely within the section. + Allow zero length fields (marker relocs or NONE relocs where no + relocation will be performed) at the end of the section. */ + return octet <= octet_end && octet + reloc_size <= octet_end; +} + +/* Read and return the section contents at DATA converted to a host + integer (bfd_vma). The number of bytes read is given by the HOWTO. */ + +static bfd_vma +read_reloc (bfd *abfd, bfd_byte *data, reloc_howto_type *howto) +{ + switch (howto->size) + { + case 0: + return bfd_get_8 (abfd, data); + + case 1: + return bfd_get_16 (abfd, data); + + case 2: + return bfd_get_32 (abfd, data); + + case 3: + break; + +#ifdef BFD64 + case 4: + return bfd_get_64 (abfd, data); +#endif + + case 5: + return bfd_get_24 (abfd, data); + + default: + abort (); + } + return 0; +} + +/* Convert VAL to target format and write to DATA. The number of + bytes written is given by the HOWTO. */ + +static void +write_reloc (bfd *abfd, bfd_vma val, bfd_byte *data, reloc_howto_type *howto) +{ + switch (howto->size) + { + case 0: + bfd_put_8 (abfd, val, data); + break; + + case 1: + bfd_put_16 (abfd, val, data); + break; + + case 2: + bfd_put_32 (abfd, val, data); + break; + + case 3: + break; + +#ifdef BFD64 + case 4: + bfd_put_64 (abfd, val, data); + break; +#endif + + case 5: + bfd_put_24 (abfd, val, data); + break; + + default: + abort (); + } +} + +/* Apply RELOCATION value to target bytes at DATA, according to + HOWTO. */ + +static void +apply_reloc (bfd *abfd, bfd_byte *data, reloc_howto_type *howto, + bfd_vma relocation) +{ + bfd_vma val = read_reloc (abfd, data, howto); + + if (howto->negate) + relocation = -relocation; + + val = ((val & ~howto->dst_mask) + | (((val & howto->src_mask) + relocation) & howto->dst_mask)); + + write_reloc (abfd, val, data, howto); +} + /* FUNCTION bfd_perform_relocation SYNOPSIS bfd_reloc_status_type bfd_perform_relocation - (bfd *abfd, - arelent *reloc_entry, - void *data, - asection *input_section, - bfd *output_bfd, + (bfd *abfd, + arelent *reloc_entry, + void *data, + asection *input_section, + bfd *output_bfd, char **error_message); DESCRIPTION @@ -586,16 +683,6 @@ bfd_perform_relocation (bfd *abfd, asymbol *symbol; symbol = *(reloc_entry->sym_ptr_ptr); - if (bfd_is_abs_section (symbol->section) - && output_bfd != NULL) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - /* PR 17512: file: 0f67f69d. */ - if (howto == NULL) - return bfd_reloc_undefined; /* If we are not producing relocatable output, return an error if the symbol is not defined. An undefined weak symbol is @@ -608,9 +695,14 @@ bfd_perform_relocation (bfd *abfd, /* If there is a function supplied to handle this relocation type, call it. It'll return `bfd_reloc_continue' if further processing can be done. */ - if (howto->special_function) + if (howto && howto->special_function) { bfd_reloc_status_type cont; + + /* Note - we do not call bfd_reloc_offset_in_range here as the + reloc_entry->address field might actually be valid for the + backend concerned. It is up to the special_function itself + to call bfd_reloc_offset_in_range if needed. */ cont = howto->special_function (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message); @@ -618,12 +710,20 @@ bfd_perform_relocation (bfd *abfd, return cont; } - /* Is the address of the relocation really within the section? - Include the size of the reloc in the test for out of range addresses. - PR 17512: file: c146ab8b, 46dff27f, 38e53ebf. */ - octets = reloc_entry->address * bfd_octets_per_byte (abfd); - if (octets + bfd_get_reloc_size (howto) - > bfd_get_section_limit_octets (abfd, input_section)) + if (bfd_is_abs_section (symbol->section) + && output_bfd != NULL) + { + reloc_entry->address += input_section->output_offset; + return bfd_reloc_ok; + } + + /* PR 17512: file: 0f67f69d. */ + if (howto == NULL) + return bfd_reloc_undefined; + + /* Is the address of the relocation really within the section? */ + octets = reloc_entry->address * bfd_octets_per_byte (abfd, input_section); + if (!bfd_reloc_offset_in_range (howto, abfd, input_section, octets)) return bfd_reloc_outofrange; /* Work out which section the relocation is targeted at and the @@ -644,7 +744,14 @@ bfd_perform_relocation (bfd *abfd, else output_base = reloc_target_output_section->vma; - relocation += output_base + symbol->section->output_offset; + /* For sections where relocations are in octets, output_base and + output_offset must also be converted to octets. */ + if (bfd_get_flavour (abfd) == bfd_target_elf_flavour + && (symbol->section->flags & SEC_ELF_OCTETS)) + relocation += ((output_base + symbol->section->output_offset) + * bfd_octets_per_byte (abfd, NULL)); + else + relocation += output_base + symbol->section->output_offset; /* Add in supplied addend. */ relocation += reloc_entry->addend; @@ -666,8 +773,8 @@ bfd_perform_relocation (bfd *abfd, the addend to be the negative of the position of the location within the section; for example, i386-aout does this. For i386-aout, pcrel_offset is FALSE. Some other targets do not - include the position of the location; for example, m88kbcs, - or ELF. For those targets, pcrel_offset is TRUE. + include the position of the location; for example, ELF. + For those targets, pcrel_offset is TRUE. If we are producing relocatable output, then we must ensure that this reloc will be correctly computed when the final @@ -855,89 +962,27 @@ space consuming. For each target: R result Do this: - (( i i i i i o o o o o from bfd_get - and S S S S S) to get the size offset we want - + r r r r r r r r r r) to get the final value to place - and D D D D D to chop to right size + (( i i i i i o o o o o from bfd_get + and S S S S S) to get the size offset we want + + r r r r r r r r r r) to get the final value to place + and D D D D D to chop to right size ----------------------- - = A A A A A + = A A A A A And this: - ( i i i i i o o o o o from bfd_get - and N N N N N ) get instruction + ( i i i i i o o o o o from bfd_get + and N N N N N ) get instruction ----------------------- - = B B B B B + = B B B B B And then: - ( B B B B B - or A A A A A) + ( B B B B B + or A A A A A) ----------------------- - = R R R R R R R R R R put into bfd_put + = R R R R R R R R R R put into bfd_put */ -#define DOIT(x) \ - x = ( (x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask)) - - switch (howto->size) - { - case 0: - { - char x = bfd_get_8 (abfd, (char *) data + octets); - DOIT (x); - bfd_put_8 (abfd, x, (unsigned char *) data + octets); - } - break; - - case 1: - { - short x = bfd_get_16 (abfd, (bfd_byte *) data + octets); - DOIT (x); - 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, (bfd_vma) x, (bfd_byte *) data + octets); - } - break; - case -2: - { - long x = bfd_get_32 (abfd, (bfd_byte *) data + octets); - relocation = -relocation; - DOIT (x); - bfd_put_32 (abfd, (bfd_vma) x, (bfd_byte *) data + octets); - } - break; - - case -1: - { - long x = bfd_get_16 (abfd, (bfd_byte *) data + octets); - relocation = -relocation; - DOIT (x); - bfd_put_16 (abfd, (bfd_vma) x, (bfd_byte *) data + octets); - } - break; - - case 3: - /* Do nothing */ - break; - - case 4: -#ifdef BFD64 - { - bfd_vma x = bfd_get_64 (abfd, (bfd_byte *) data + octets); - DOIT (x); - bfd_put_64 (abfd, x, (bfd_byte *) data + octets); - } -#else - abort (); -#endif - break; - default: - return bfd_reloc_other; - } - + data = (bfd_byte *) data + octets; + apply_reloc (abfd, data, howto, relocation); return flag; } @@ -947,10 +992,10 @@ FUNCTION SYNOPSIS bfd_reloc_status_type bfd_install_relocation - (bfd *abfd, - arelent *reloc_entry, - void *data, bfd_vma data_start, - asection *input_section, + (bfd *abfd, + arelent *reloc_entry, + void *data, bfd_vma data_start, + asection *input_section, char **error_message); DESCRIPTION @@ -981,19 +1026,18 @@ bfd_install_relocation (bfd *abfd, bfd_byte *data; symbol = *(reloc_entry->sym_ptr_ptr); - if (bfd_is_abs_section (symbol->section)) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } /* If there is a function supplied to handle this relocation type, call it. It'll return `bfd_reloc_continue' if further processing can be done. */ - if (howto->special_function) + if (howto && howto->special_function) { bfd_reloc_status_type cont; + /* Note - we do not call bfd_reloc_offset_in_range here as the + reloc_entry->address field might actually be valid for the + backend concerned. It is up to the special_function itself + to call bfd_reloc_offset_in_range if needed. */ /* XXX - The special_function calls haven't been fixed up to deal with creating new relocations and section contents. */ cont = howto->special_function (abfd, reloc_entry, symbol, @@ -1005,10 +1049,18 @@ bfd_install_relocation (bfd *abfd, return cont; } + if (bfd_is_abs_section (symbol->section)) + { + reloc_entry->address += input_section->output_offset; + return bfd_reloc_ok; + } + + /* No need to check for howto != NULL if !bfd_is_abs_section as + it will have been checked in `bfd_perform_relocation already'. */ + /* Is the address of the relocation really within the section? */ - octets = reloc_entry->address * bfd_octets_per_byte (abfd); - if (octets + bfd_get_reloc_size (howto) - > bfd_get_section_limit_octets (abfd, input_section)) + octets = reloc_entry->address * bfd_octets_per_byte (abfd, input_section); + if (!bfd_reloc_offset_in_range (howto, abfd, input_section, octets)) return bfd_reloc_outofrange; /* Work out which section the relocation is targeted at and the @@ -1028,7 +1080,14 @@ bfd_install_relocation (bfd *abfd, else output_base = reloc_target_output_section->vma; - relocation += output_base + symbol->section->output_offset; + /* For sections where relocations are in octets, output_base and + output_offset must also be converted to octets. */ + if (bfd_get_flavour (abfd) == bfd_target_elf_flavour + && (symbol->section->flags & SEC_ELF_OCTETS)) + relocation += ((output_base + symbol->section->output_offset) + * bfd_octets_per_byte (abfd, NULL)); + else + relocation += output_base + symbol->section->output_offset; /* Add in supplied addend. */ relocation += reloc_entry->addend; @@ -1050,8 +1109,8 @@ bfd_install_relocation (bfd *abfd, the addend to be the negative of the position of the location within the section; for example, i386-aout does this. For i386-aout, pcrel_offset is FALSE. Some other targets do not - include the position of the location; for example, m88kbcs, - or ELF. For those targets, pcrel_offset is TRUE. + include the position of the location; for example, ELF. + For those targets, pcrel_offset is TRUE. If we are producing relocatable output, then we must ensure that this reloc will be correctly computed when the final @@ -1236,78 +1295,27 @@ space consuming. For each target: R result Do this: - (( i i i i i o o o o o from bfd_get - and S S S S S) to get the size offset we want - + r r r r r r r r r r) to get the final value to place - and D D D D D to chop to right size + (( i i i i i o o o o o from bfd_get + and S S S S S) to get the size offset we want + + r r r r r r r r r r) to get the final value to place + and D D D D D to chop to right size ----------------------- - = A A A A A + = A A A A A And this: - ( i i i i i o o o o o from bfd_get - and N N N N N ) get instruction + ( i i i i i o o o o o from bfd_get + and N N N N N ) get instruction ----------------------- - = B B B B B + = B B B B B And then: - ( B B B B B - or A A A A A) + ( B B B B B + or A A A A A) ----------------------- - = R R R R R R R R R R put into bfd_put + = R R R R R R R R R R put into bfd_put */ -#define DOIT(x) \ - x = ( (x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask)) - data = (bfd_byte *) data_start + (octets - data_start_offset); - - switch (howto->size) - { - case 0: - { - char x = bfd_get_8 (abfd, data); - DOIT (x); - bfd_put_8 (abfd, x, data); - } - break; - - case 1: - { - short x = bfd_get_16 (abfd, data); - DOIT (x); - bfd_put_16 (abfd, (bfd_vma) x, data); - } - break; - case 2: - { - long x = bfd_get_32 (abfd, data); - DOIT (x); - bfd_put_32 (abfd, (bfd_vma) x, data); - } - break; - case -2: - { - long x = bfd_get_32 (abfd, data); - relocation = -relocation; - DOIT (x); - bfd_put_32 (abfd, (bfd_vma) x, data); - } - break; - - case 3: - /* Do nothing */ - break; - - case 4: - { - bfd_vma x = bfd_get_64 (abfd, data); - DOIT (x); - bfd_put_64 (abfd, x, data); - } - break; - default: - return bfd_reloc_other; - } - + apply_reloc (abfd, data, howto, relocation); return flag; } @@ -1343,11 +1351,11 @@ _bfd_final_link_relocate (reloc_howto_type *howto, bfd_vma addend) { bfd_vma relocation; - bfd_size_type octets = address * bfd_octets_per_byte (input_bfd); + bfd_size_type octets = (address + * bfd_octets_per_byte (input_bfd, input_section)); /* Sanity check the address. */ - if (octets + bfd_get_reloc_size (howto) - > bfd_get_section_limit_octets (input_bfd, input_section)) + if (!bfd_reloc_offset_in_range (howto, input_bfd, input_section, octets)) return bfd_reloc_outofrange; /* This function assumes that we are dealing with a basic relocation @@ -1361,11 +1369,11 @@ _bfd_final_link_relocate (reloc_howto_type *howto, location we are relocating. Some targets (e.g., i386-aout) arrange for the contents of the section to be the negative of the offset of the location within the section; for such targets - pcrel_offset is FALSE. Other targets (e.g., m88kbcs or ELF) - simply leave the contents of the section as zero; for such - targets pcrel_offset is TRUE. If pcrel_offset is FALSE we do not - need to subtract out the offset of the location within the - section (which is just ADDRESS). */ + pcrel_offset is FALSE. Other targets (e.g., ELF) simply leave + the contents of the section as zero; for such targets + pcrel_offset is TRUE. If pcrel_offset is FALSE we do not need to + subtract out the offset of the location within the section (which + is just ADDRESS). */ if (howto->pc_relative) { relocation -= (input_section->output_section->vma @@ -1375,7 +1383,10 @@ _bfd_final_link_relocate (reloc_howto_type *howto, } return _bfd_relocate_contents (howto, input_bfd, relocation, - contents + address); + contents + + address + * bfd_octets_per_byte (input_bfd, + input_section)); } /* Relocate a given location using a given value and howto. */ @@ -1386,42 +1397,16 @@ _bfd_relocate_contents (reloc_howto_type *howto, bfd_vma relocation, bfd_byte *location) { - int size; - bfd_vma x = 0; + bfd_vma x; bfd_reloc_status_type flag; unsigned int rightshift = howto->rightshift; unsigned int bitpos = howto->bitpos; - /* If the size is negative, negate RELOCATION. This isn't very - general. */ - if (howto->size < 0) + if (howto->negate) relocation = -relocation; /* Get the value we are going to relocate. */ - size = bfd_get_reloc_size (howto); - switch (size) - { - default: - abort (); - case 0: - return bfd_reloc_ok; - case 1: - x = bfd_get_8 (input_bfd, location); - break; - case 2: - x = bfd_get_16 (input_bfd, location); - break; - case 4: - x = bfd_get_32 (input_bfd, location); - break; - case 8: -#ifdef BFD64 - x = bfd_get_64 (input_bfd, location); -#else - abort (); -#endif - break; - } + x = read_reloc (input_bfd, location, howto); /* Check for overflow. FIXME: We may drop bits during the addition which we don't check for. We must either check at every single @@ -1434,9 +1419,9 @@ _bfd_relocate_contents (reloc_howto_type *howto, bfd_vma a, b, sum; /* Get the values to be added together. For signed and unsigned - relocations, we assume that all values should be truncated to - the size of an address. For bitfields, all the bits matter. - See also bfd_check_overflow. */ + relocations, we assume that all values should be truncated to + the size of an address. For bitfields, all the bits matter. + See also bfd_check_overflow. */ fieldmask = N_ONES (howto->bitsize); signmask = ~fieldmask; addrmask = (N_ONES (bfd_arch_bits_per_address (input_bfd)) @@ -1465,11 +1450,11 @@ _bfd_relocate_contents (reloc_howto_type *howto, flag = bfd_reloc_overflow; /* We only need this next bit of code if the sign bit of B - is below the sign bit of A. This would only happen if - SRC_MASK had fewer bits than BITSIZE. Note that if - SRC_MASK has more bits than BITSIZE, we can get into - trouble; we would need to verify that B is in range, as - we do for A above. */ + is below the sign bit of A. This would only happen if + SRC_MASK had fewer bits than BITSIZE. Note that if + SRC_MASK has more bits than BITSIZE, we can get into + trouble; we would need to verify that B is in range, as + we do for A above. */ ss = ((~howto->src_mask) >> 1) & howto->src_mask; ss >>= bitpos; @@ -1480,12 +1465,12 @@ _bfd_relocate_contents (reloc_howto_type *howto, sum = a + b; /* See if the result has the correct sign. Bits above the - sign bit are junk now; ignore them. If the sum is - positive, make sure we did not have all negative inputs; - if the sum is negative, make sure we did not have all - positive inputs. The test below looks only at the sign - bits, and it really just - SIGN (A) == SIGN (B) && SIGN (A) != SIGN (SUM) + sign bit are junk now; ignore them. If the sum is + positive, make sure we did not have all negative inputs; + if the sum is negative, make sure we did not have all + positive inputs. The test below looks only at the sign + bits, and it really just + SIGN (A) == SIGN (B) && SIGN (A) != SIGN (SUM) We mask with addrmask here to explicitly allow an address wrap-around. The Linux kernel relies on it, and it is @@ -1498,16 +1483,16 @@ _bfd_relocate_contents (reloc_howto_type *howto, case complain_overflow_unsigned: /* Checking for an unsigned overflow is relatively easy: - trim the addresses and add, and trim the result as well. - Overflow is normally indicated when the result does not - fit in the field. However, we also need to consider the - case when, e.g., fieldmask is 0x7fffffff or smaller, an - input is 0x80000000, and bfd_vma is only 32 bits; then we - will get sum == 0, but there is an overflow, since the - inputs did not fit in the field. Instead of doing a - separate test, we can check for this by or-ing in the - operands when testing for the sum overflowing its final - field. */ + trim the addresses and add, and trim the result as well. + Overflow is normally indicated when the result does not + fit in the field. However, we also need to consider the + case when, e.g., fieldmask is 0x7fffffff or smaller, an + input is 0x80000000, and bfd_vma is only 32 bits; then we + will get sum == 0, but there is an overflow, since the + inputs did not fit in the field. Instead of doing a + separate test, we can check for this by or-ing in the + operands when testing for the sum overflowing its final + field. */ sum = (a + b) & addrmask; if ((a | b | sum) & signmask) flag = bfd_reloc_overflow; @@ -1527,28 +1512,7 @@ _bfd_relocate_contents (reloc_howto_type *howto, | (((x & howto->src_mask) + relocation) & howto->dst_mask)); /* Put the relocated value back in the object file. */ - switch (size) - { - default: - abort (); - case 1: - bfd_put_8 (input_bfd, x, location); - break; - case 2: - bfd_put_16 (input_bfd, x, location); - break; - case 4: - bfd_put_32 (input_bfd, x, location); - break; - case 8: -#ifdef BFD64 - bfd_put_64 (input_bfd, x, location); -#else - abort (); -#endif - break; - } - + write_reloc (input_bfd, x, location, howto); return flag; } @@ -1557,74 +1521,35 @@ _bfd_relocate_contents (reloc_howto_type *howto, relocations against discarded symbols, to make ignorable debug or unwind information more obvious. */ -void +bfd_reloc_status_type _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd, asection *input_section, - bfd_byte *location) + bfd_byte *buf, + bfd_vma off) { - int size; - bfd_vma x = 0; + bfd_vma x; + bfd_byte *location; + + if (!bfd_reloc_offset_in_range (howto, input_bfd, input_section, off)) + return bfd_reloc_outofrange; /* Get the value we are going to relocate. */ - size = bfd_get_reloc_size (howto); - switch (size) - { - default: - abort (); - case 0: - return; - case 1: - x = bfd_get_8 (input_bfd, location); - break; - case 2: - x = bfd_get_16 (input_bfd, location); - break; - case 4: - x = bfd_get_32 (input_bfd, location); - break; - case 8: -#ifdef BFD64 - x = bfd_get_64 (input_bfd, location); -#else - abort (); -#endif - break; - } + location = buf + off; + x = read_reloc (input_bfd, location, howto); /* Zero out the unwanted bits of X. */ x &= ~howto->dst_mask; /* For a range list, use 1 instead of 0 as placeholder. 0 would terminate the list, hiding any later entries. */ - if (strcmp (bfd_get_section_name (input_bfd, input_section), - ".debug_ranges") == 0 + if (strcmp (bfd_section_name (input_section), ".debug_ranges") == 0 && (howto->dst_mask & 1) != 0) x |= 1; /* Put the relocated value back in the object file. */ - switch (size) - { - default: - case 0: - abort (); - case 1: - bfd_put_8 (input_bfd, x, location); - break; - case 2: - bfd_put_16 (input_bfd, x, location); - break; - case 4: - bfd_put_32 (input_bfd, x, location); - break; - case 8: -#ifdef BFD64 - bfd_put_64 (input_bfd, x, location); -#else - abort (); -#endif - break; - } + write_reloc (input_bfd, x, location, howto); + return bfd_reloc_ok; } /* @@ -1692,8 +1617,6 @@ ENUMDOC 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_SECREL ENUMDOC @@ -1844,11 +1767,6 @@ 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 @@ -2108,9 +2026,9 @@ ENUMDOC 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) + 1 - "memory" fmt insn + 2 - byte-manipulation (byte offset reg) + 3 - jsr (target of branch) ENUM BFD_RELOC_ALPHA_HINT @@ -2303,6 +2221,11 @@ ENUMX ENUMDOC microMIPS PC-relative relocations. +ENUM + BFD_RELOC_MIPS16_16_PCREL_S1 +ENUMDOC + MIPS16 PC-relative relocation. + ENUM BFD_RELOC_MIPS_21_PCREL_S2 ENUMX @@ -2463,6 +2386,16 @@ ENUMX BFD_RELOC_FT32_17 ENUMX BFD_RELOC_FT32_18 +ENUMX + BFD_RELOC_FT32_RELAX +ENUMX + BFD_RELOC_FT32_SC0 +ENUMX + BFD_RELOC_FT32_SC1 +ENUMX + BFD_RELOC_FT32_15 +ENUMX + BFD_RELOC_FT32_DIFF32 ENUMDOC FT32 ELF relocations. COMMENT @@ -2676,6 +2609,8 @@ ENUMX BFD_RELOC_386_TLS_DESC ENUMX BFD_RELOC_386_IRELATIVE +ENUMX + BFD_RELOC_386_GOT32X ENUMDOC i386/elf relocations @@ -2737,6 +2672,10 @@ ENUMX BFD_RELOC_X86_64_PC32_BND ENUMX BFD_RELOC_X86_64_PLT32_BND +ENUMX + BFD_RELOC_X86_64_GOTPCRELX +ENUMX + BFD_RELOC_X86_64_REX_GOTPCRELX ENUMDOC x86-64/elf relocations @@ -2883,6 +2822,10 @@ ENUMX BFD_RELOC_PPC_VLE_SDAREL_HA16A ENUMX BFD_RELOC_PPC_VLE_SDAREL_HA16D +ENUMX + BFD_RELOC_PPC_16DX_HA +ENUMX + BFD_RELOC_PPC_REL16DX_HA ENUMX BFD_RELOC_PPC64_HIGHER ENUMX @@ -2933,8 +2876,58 @@ ENUMX BFD_RELOC_PPC64_ADDR16_HIGH ENUMX BFD_RELOC_PPC64_ADDR16_HIGHA +ENUMX + BFD_RELOC_PPC64_REL16_HIGH +ENUMX + BFD_RELOC_PPC64_REL16_HIGHA +ENUMX + BFD_RELOC_PPC64_REL16_HIGHER +ENUMX + BFD_RELOC_PPC64_REL16_HIGHERA +ENUMX + BFD_RELOC_PPC64_REL16_HIGHEST +ENUMX + BFD_RELOC_PPC64_REL16_HIGHESTA ENUMX BFD_RELOC_PPC64_ADDR64_LOCAL +ENUMX + BFD_RELOC_PPC64_ENTRY +ENUMX + BFD_RELOC_PPC64_REL24_NOTOC +ENUMX + BFD_RELOC_PPC64_D34 +ENUMX + BFD_RELOC_PPC64_D34_LO +ENUMX + BFD_RELOC_PPC64_D34_HI30 +ENUMX + BFD_RELOC_PPC64_D34_HA30 +ENUMX + BFD_RELOC_PPC64_PCREL34 +ENUMX + BFD_RELOC_PPC64_GOT_PCREL34 +ENUMX + BFD_RELOC_PPC64_PLT_PCREL34 +ENUMX + BFD_RELOC_PPC64_ADDR16_HIGHER34 +ENUMX + BFD_RELOC_PPC64_ADDR16_HIGHERA34 +ENUMX + BFD_RELOC_PPC64_ADDR16_HIGHEST34 +ENUMX + BFD_RELOC_PPC64_ADDR16_HIGHESTA34 +ENUMX + BFD_RELOC_PPC64_REL16_HIGHER34 +ENUMX + BFD_RELOC_PPC64_REL16_HIGHERA34 +ENUMX + BFD_RELOC_PPC64_REL16_HIGHEST34 +ENUMX + BFD_RELOC_PPC64_REL16_HIGHESTA34 +ENUMX + BFD_RELOC_PPC64_D28 +ENUMX + BFD_RELOC_PPC64_PCREL28 ENUMDOC Power(rs6000) and PowerPC relocations. @@ -3002,6 +2995,10 @@ ENUMX BFD_RELOC_PPC64_TPREL16_DS ENUMX BFD_RELOC_PPC64_TPREL16_LO_DS +ENUMX + BFD_RELOC_PPC64_TPREL16_HIGH +ENUMX + BFD_RELOC_PPC64_TPREL16_HIGHA ENUMX BFD_RELOC_PPC64_TPREL16_HIGHER ENUMX @@ -3014,6 +3011,10 @@ ENUMX BFD_RELOC_PPC64_DTPREL16_DS ENUMX BFD_RELOC_PPC64_DTPREL16_LO_DS +ENUMX + BFD_RELOC_PPC64_DTPREL16_HIGH +ENUMX + BFD_RELOC_PPC64_DTPREL16_HIGHA ENUMX BFD_RELOC_PPC64_DTPREL16_HIGHER ENUMX @@ -3023,13 +3024,19 @@ ENUMX ENUMX BFD_RELOC_PPC64_DTPREL16_HIGHESTA ENUMX - BFD_RELOC_PPC64_TPREL16_HIGH + BFD_RELOC_PPC64_TPREL34 ENUMX - BFD_RELOC_PPC64_TPREL16_HIGHA + BFD_RELOC_PPC64_DTPREL34 ENUMX - BFD_RELOC_PPC64_DTPREL16_HIGH + BFD_RELOC_PPC64_GOT_TLSGD34 ENUMX - BFD_RELOC_PPC64_DTPREL16_HIGHA + BFD_RELOC_PPC64_GOT_TLSLD34 +ENUMX + BFD_RELOC_PPC64_GOT_TPREL34 +ENUMX + BFD_RELOC_PPC64_GOT_DTPREL34 +ENUMX + BFD_RELOC_PPC64_TLS_PCREL ENUMDOC PowerPC and PowerPC64 thread-local storage relocations. @@ -3071,6 +3078,36 @@ ENUM ENUMDOC ARM 26-bit pc-relative branch for B or conditional BL instruction. +ENUM + BFD_RELOC_THUMB_PCREL_BRANCH5 +ENUMDOC + ARM 5-bit pc-relative branch for Branch Future instructions. + +ENUM + BFD_RELOC_THUMB_PCREL_BFCSEL +ENUMDOC + ARM 6-bit pc-relative branch for BFCSEL instruction. + +ENUM + BFD_RELOC_ARM_THUMB_BF17 +ENUMDOC + ARM 17-bit pc-relative branch for Branch Future instructions. + +ENUM + BFD_RELOC_ARM_THUMB_BF13 +ENUMDOC + ARM 13-bit pc-relative branch for BFCSEL instruction. + +ENUM + BFD_RELOC_ARM_THUMB_BF19 +ENUMDOC + ARM 19-bit pc-relative branch for Branch Future Link instruction. + +ENUM + BFD_RELOC_ARM_THUMB_LOOP12 +ENUMDOC + ARM 12-bit pc-relative branch for Low Overhead Loop instructions. + ENUM BFD_RELOC_THUMB_PCREL_BRANCH7 ENUMX @@ -3142,6 +3179,23 @@ ENUMX ENUMDOC Low and High halfword relocations for MOVW and MOVT instructions. +ENUM + BFD_RELOC_ARM_GOTFUNCDESC +ENUMX + BFD_RELOC_ARM_GOTOFFFUNCDESC +ENUMX + BFD_RELOC_ARM_FUNCDESC +ENUMX + BFD_RELOC_ARM_FUNCDESC_VALUE +ENUMX + BFD_RELOC_ARM_TLS_GD32_FDPIC +ENUMX + BFD_RELOC_ARM_TLS_LDM32_FDPIC +ENUMX + BFD_RELOC_ARM_TLS_IE32_FDPIC +ENUMDOC + ARM FDPIC specific relocations. + ENUM BFD_RELOC_ARM_JUMP_SLOT ENUMX @@ -3261,6 +3315,17 @@ ENUM ENUMDOC ARM support for STT_GNU_IFUNC. +ENUM + BFD_RELOC_ARM_THUMB_ALU_ABS_G0_NC +ENUMX + BFD_RELOC_ARM_THUMB_ALU_ABS_G1_NC +ENUMX + BFD_RELOC_ARM_THUMB_ALU_ABS_G2_NC +ENUMX + BFD_RELOC_ARM_THUMB_ALU_ABS_G3_NC +ENUMDOC + Thumb1 relocations to support execute-only code. + ENUM BFD_RELOC_ARM_IMMEDIATE ENUMX @@ -3291,6 +3356,8 @@ ENUMX BFD_RELOC_ARM_T32_CP_OFF_IMM ENUMX BFD_RELOC_ARM_T32_CP_OFF_IMM_S2 +ENUMX + BFD_RELOC_ARM_T32_VLDR_VSTR_OFF_IMM ENUMX BFD_RELOC_ARM_ADR_IMM ENUMX @@ -3430,103 +3497,230 @@ ENUMX ENUMX BFD_RELOC_SH_JMP_SLOT64 ENUMX - BFD_RELOC_SH_RELATIVE64 + BFD_RELOC_SH_RELATIVE64 +ENUMX + BFD_RELOC_SH_GOT10BY4 +ENUMX + BFD_RELOC_SH_GOT10BY8 +ENUMX + BFD_RELOC_SH_GOTPLT10BY4 +ENUMX + BFD_RELOC_SH_GOTPLT10BY8 +ENUMX + BFD_RELOC_SH_GOTPLT32 +ENUMX + BFD_RELOC_SH_SHMEDIA_CODE +ENUMX + BFD_RELOC_SH_IMMU5 +ENUMX + BFD_RELOC_SH_IMMS6 +ENUMX + BFD_RELOC_SH_IMMS6BY32 +ENUMX + BFD_RELOC_SH_IMMU6 +ENUMX + BFD_RELOC_SH_IMMS10 +ENUMX + BFD_RELOC_SH_IMMS10BY2 +ENUMX + BFD_RELOC_SH_IMMS10BY4 +ENUMX + BFD_RELOC_SH_IMMS10BY8 +ENUMX + BFD_RELOC_SH_IMMS16 +ENUMX + BFD_RELOC_SH_IMMU16 +ENUMX + BFD_RELOC_SH_IMM_LOW16 +ENUMX + BFD_RELOC_SH_IMM_LOW16_PCREL +ENUMX + BFD_RELOC_SH_IMM_MEDLOW16 +ENUMX + BFD_RELOC_SH_IMM_MEDLOW16_PCREL +ENUMX + BFD_RELOC_SH_IMM_MEDHI16 +ENUMX + BFD_RELOC_SH_IMM_MEDHI16_PCREL +ENUMX + BFD_RELOC_SH_IMM_HI16 +ENUMX + BFD_RELOC_SH_IMM_HI16_PCREL +ENUMX + BFD_RELOC_SH_PT_16 +ENUMX + BFD_RELOC_SH_TLS_GD_32 +ENUMX + BFD_RELOC_SH_TLS_LD_32 +ENUMX + BFD_RELOC_SH_TLS_LDO_32 +ENUMX + BFD_RELOC_SH_TLS_IE_32 +ENUMX + BFD_RELOC_SH_TLS_LE_32 +ENUMX + BFD_RELOC_SH_TLS_DTPMOD32 +ENUMX + BFD_RELOC_SH_TLS_DTPOFF32 +ENUMX + BFD_RELOC_SH_TLS_TPOFF32 +ENUMX + BFD_RELOC_SH_GOT20 +ENUMX + BFD_RELOC_SH_GOTOFF20 +ENUMX + BFD_RELOC_SH_GOTFUNCDESC +ENUMX + BFD_RELOC_SH_GOTFUNCDESC20 +ENUMX + BFD_RELOC_SH_GOTOFFFUNCDESC +ENUMX + BFD_RELOC_SH_GOTOFFFUNCDESC20 +ENUMX + BFD_RELOC_SH_FUNCDESC +ENUMDOC + Renesas / SuperH SH relocs. Not all of these appear in object files. + +ENUM + BFD_RELOC_ARC_NONE +ENUMX + BFD_RELOC_ARC_8 +ENUMX + BFD_RELOC_ARC_16 +ENUMX + BFD_RELOC_ARC_24 +ENUMX + BFD_RELOC_ARC_32 +ENUMX + BFD_RELOC_ARC_N8 +ENUMX + BFD_RELOC_ARC_N16 +ENUMX + BFD_RELOC_ARC_N24 +ENUMX + BFD_RELOC_ARC_N32 +ENUMX + BFD_RELOC_ARC_SDA +ENUMX + BFD_RELOC_ARC_SECTOFF +ENUMX + BFD_RELOC_ARC_S21H_PCREL +ENUMX + BFD_RELOC_ARC_S21W_PCREL +ENUMX + BFD_RELOC_ARC_S25H_PCREL +ENUMX + BFD_RELOC_ARC_S25W_PCREL +ENUMX + BFD_RELOC_ARC_SDA32 +ENUMX + BFD_RELOC_ARC_SDA_LDST +ENUMX + BFD_RELOC_ARC_SDA_LDST1 +ENUMX + BFD_RELOC_ARC_SDA_LDST2 +ENUMX + BFD_RELOC_ARC_SDA16_LD +ENUMX + BFD_RELOC_ARC_SDA16_LD1 +ENUMX + BFD_RELOC_ARC_SDA16_LD2 +ENUMX + BFD_RELOC_ARC_S13_PCREL +ENUMX + BFD_RELOC_ARC_W +ENUMX + BFD_RELOC_ARC_32_ME +ENUMX + BFD_RELOC_ARC_32_ME_S +ENUMX + BFD_RELOC_ARC_N32_ME +ENUMX + BFD_RELOC_ARC_SECTOFF_ME +ENUMX + BFD_RELOC_ARC_SDA32_ME ENUMX - BFD_RELOC_SH_GOT10BY4 + BFD_RELOC_ARC_W_ME ENUMX - BFD_RELOC_SH_GOT10BY8 + BFD_RELOC_AC_SECTOFF_U8 ENUMX - BFD_RELOC_SH_GOTPLT10BY4 + BFD_RELOC_AC_SECTOFF_U8_1 ENUMX - BFD_RELOC_SH_GOTPLT10BY8 + BFD_RELOC_AC_SECTOFF_U8_2 ENUMX - BFD_RELOC_SH_GOTPLT32 + BFD_RELOC_AC_SECTOFF_S9 ENUMX - BFD_RELOC_SH_SHMEDIA_CODE + BFD_RELOC_AC_SECTOFF_S9_1 ENUMX - BFD_RELOC_SH_IMMU5 + BFD_RELOC_AC_SECTOFF_S9_2 ENUMX - BFD_RELOC_SH_IMMS6 + BFD_RELOC_ARC_SECTOFF_ME_1 ENUMX - BFD_RELOC_SH_IMMS6BY32 + BFD_RELOC_ARC_SECTOFF_ME_2 ENUMX - BFD_RELOC_SH_IMMU6 + BFD_RELOC_ARC_SECTOFF_1 ENUMX - BFD_RELOC_SH_IMMS10 + BFD_RELOC_ARC_SECTOFF_2 ENUMX - BFD_RELOC_SH_IMMS10BY2 + BFD_RELOC_ARC_SDA_12 ENUMX - BFD_RELOC_SH_IMMS10BY4 + BFD_RELOC_ARC_SDA16_ST2 ENUMX - BFD_RELOC_SH_IMMS10BY8 + BFD_RELOC_ARC_32_PCREL ENUMX - BFD_RELOC_SH_IMMS16 + BFD_RELOC_ARC_PC32 ENUMX - BFD_RELOC_SH_IMMU16 + BFD_RELOC_ARC_GOT32 ENUMX - BFD_RELOC_SH_IMM_LOW16 + BFD_RELOC_ARC_GOTPC32 ENUMX - BFD_RELOC_SH_IMM_LOW16_PCREL + BFD_RELOC_ARC_PLT32 ENUMX - BFD_RELOC_SH_IMM_MEDLOW16 + BFD_RELOC_ARC_COPY ENUMX - BFD_RELOC_SH_IMM_MEDLOW16_PCREL + BFD_RELOC_ARC_GLOB_DAT ENUMX - BFD_RELOC_SH_IMM_MEDHI16 + BFD_RELOC_ARC_JMP_SLOT ENUMX - BFD_RELOC_SH_IMM_MEDHI16_PCREL + BFD_RELOC_ARC_RELATIVE ENUMX - BFD_RELOC_SH_IMM_HI16 + BFD_RELOC_ARC_GOTOFF ENUMX - BFD_RELOC_SH_IMM_HI16_PCREL + BFD_RELOC_ARC_GOTPC ENUMX - BFD_RELOC_SH_PT_16 + BFD_RELOC_ARC_S21W_PCREL_PLT ENUMX - BFD_RELOC_SH_TLS_GD_32 + BFD_RELOC_ARC_S25H_PCREL_PLT ENUMX - BFD_RELOC_SH_TLS_LD_32 + BFD_RELOC_ARC_TLS_DTPMOD ENUMX - BFD_RELOC_SH_TLS_LDO_32 + BFD_RELOC_ARC_TLS_TPOFF ENUMX - BFD_RELOC_SH_TLS_IE_32 + BFD_RELOC_ARC_TLS_GD_GOT ENUMX - BFD_RELOC_SH_TLS_LE_32 + BFD_RELOC_ARC_TLS_GD_LD ENUMX - BFD_RELOC_SH_TLS_DTPMOD32 + BFD_RELOC_ARC_TLS_GD_CALL ENUMX - BFD_RELOC_SH_TLS_DTPOFF32 + BFD_RELOC_ARC_TLS_IE_GOT ENUMX - BFD_RELOC_SH_TLS_TPOFF32 + BFD_RELOC_ARC_TLS_DTPOFF ENUMX - BFD_RELOC_SH_GOT20 + BFD_RELOC_ARC_TLS_DTPOFF_S9 ENUMX - BFD_RELOC_SH_GOTOFF20 + BFD_RELOC_ARC_TLS_LE_S9 ENUMX - BFD_RELOC_SH_GOTFUNCDESC + BFD_RELOC_ARC_TLS_LE_32 ENUMX - BFD_RELOC_SH_GOTFUNCDESC20 + BFD_RELOC_ARC_S25W_PCREL_PLT ENUMX - BFD_RELOC_SH_GOTOFFFUNCDESC + BFD_RELOC_ARC_S21H_PCREL_PLT ENUMX - BFD_RELOC_SH_GOTOFFFUNCDESC20 + BFD_RELOC_ARC_NPS_CMEM16 ENUMX - BFD_RELOC_SH_FUNCDESC -ENUMDOC - Renesas / SuperH SH relocs. Not all of these appear in object files. - -ENUM - BFD_RELOC_ARC_B22_PCREL -ENUMDOC - ARC Cores relocs. - ARC 22 bit pc-relative branch. The lowest two bits must be zero and are - not stored in the instruction. The high 20 bits are installed in bits 26 - through 7 of the instruction. -ENUM - BFD_RELOC_ARC_B26 + BFD_RELOC_ARC_JLI_SECTOFF ENUMDOC - ARC 26 bit absolute branch. The lowest two bits must be zero and are not - stored in the instruction. The high 24 bits are installed in bits 23 - through 0. + ARC relocs. ENUM BFD_RELOC_BFIN_16_IMM @@ -4162,32 +4356,66 @@ ENUMDOC For ex9 and ifc using. ENUM BFD_RELOC_NDS32_TPOFF +ENUMX + BFD_RELOC_NDS32_GOTTPOFF ENUMX BFD_RELOC_NDS32_TLS_LE_HI20 ENUMX BFD_RELOC_NDS32_TLS_LE_LO12 +ENUMX + BFD_RELOC_NDS32_TLS_LE_20 +ENUMX + BFD_RELOC_NDS32_TLS_LE_15S0 +ENUMX + BFD_RELOC_NDS32_TLS_LE_15S1 +ENUMX + BFD_RELOC_NDS32_TLS_LE_15S2 ENUMX BFD_RELOC_NDS32_TLS_LE_ADD ENUMX BFD_RELOC_NDS32_TLS_LE_LS -ENUMX - BFD_RELOC_NDS32_GOTTPOFF ENUMX BFD_RELOC_NDS32_TLS_IE_HI20 +ENUMX + BFD_RELOC_NDS32_TLS_IE_LO12 ENUMX BFD_RELOC_NDS32_TLS_IE_LO12S2 ENUMX - BFD_RELOC_NDS32_TLS_TPOFF + BFD_RELOC_NDS32_TLS_IEGP_HI20 ENUMX - BFD_RELOC_NDS32_TLS_LE_20 + BFD_RELOC_NDS32_TLS_IEGP_LO12 ENUMX - BFD_RELOC_NDS32_TLS_LE_15S0 + BFD_RELOC_NDS32_TLS_IEGP_LO12S2 ENUMX - BFD_RELOC_NDS32_TLS_LE_15S1 + BFD_RELOC_NDS32_TLS_IEGP_LW ENUMX - BFD_RELOC_NDS32_TLS_LE_15S2 + BFD_RELOC_NDS32_TLS_DESC +ENUMX + BFD_RELOC_NDS32_TLS_DESC_HI20 +ENUMX + BFD_RELOC_NDS32_TLS_DESC_LO12 +ENUMX + BFD_RELOC_NDS32_TLS_DESC_20 +ENUMX + BFD_RELOC_NDS32_TLS_DESC_SDA17S2 +ENUMX + BFD_RELOC_NDS32_TLS_DESC_ADD +ENUMX + BFD_RELOC_NDS32_TLS_DESC_FUNC +ENUMX + BFD_RELOC_NDS32_TLS_DESC_CALL +ENUMX + BFD_RELOC_NDS32_TLS_DESC_MEM +ENUMX + BFD_RELOC_NDS32_REMOVE +ENUMX + BFD_RELOC_NDS32_GROUP ENUMDOC For TLS. +ENUM + BFD_RELOC_NDS32_LSI +ENUMDOC + For floating load store relaxation. ENUM @@ -4890,6 +5118,106 @@ ENUM ENUMDOC This is a 5 bit reloc for the AVR that stores an I/O register number for the SBIC, SBIS, SBI and CBI instructions + +ENUM + BFD_RELOC_RISCV_HI20 +ENUMX + BFD_RELOC_RISCV_PCREL_HI20 +ENUMX + BFD_RELOC_RISCV_PCREL_LO12_I +ENUMX + BFD_RELOC_RISCV_PCREL_LO12_S +ENUMX + BFD_RELOC_RISCV_LO12_I +ENUMX + BFD_RELOC_RISCV_LO12_S +ENUMX + BFD_RELOC_RISCV_GPREL12_I +ENUMX + BFD_RELOC_RISCV_GPREL12_S +ENUMX + BFD_RELOC_RISCV_TPREL_HI20 +ENUMX + BFD_RELOC_RISCV_TPREL_LO12_I +ENUMX + BFD_RELOC_RISCV_TPREL_LO12_S +ENUMX + BFD_RELOC_RISCV_TPREL_ADD +ENUMX + BFD_RELOC_RISCV_CALL +ENUMX + BFD_RELOC_RISCV_CALL_PLT +ENUMX + BFD_RELOC_RISCV_ADD8 +ENUMX + BFD_RELOC_RISCV_ADD16 +ENUMX + BFD_RELOC_RISCV_ADD32 +ENUMX + BFD_RELOC_RISCV_ADD64 +ENUMX + BFD_RELOC_RISCV_SUB8 +ENUMX + BFD_RELOC_RISCV_SUB16 +ENUMX + BFD_RELOC_RISCV_SUB32 +ENUMX + BFD_RELOC_RISCV_SUB64 +ENUMX + BFD_RELOC_RISCV_GOT_HI20 +ENUMX + BFD_RELOC_RISCV_TLS_GOT_HI20 +ENUMX + BFD_RELOC_RISCV_TLS_GD_HI20 +ENUMX + BFD_RELOC_RISCV_JMP +ENUMX + BFD_RELOC_RISCV_TLS_DTPMOD32 +ENUMX + BFD_RELOC_RISCV_TLS_DTPREL32 +ENUMX + BFD_RELOC_RISCV_TLS_DTPMOD64 +ENUMX + BFD_RELOC_RISCV_TLS_DTPREL64 +ENUMX + BFD_RELOC_RISCV_TLS_TPREL32 +ENUMX + BFD_RELOC_RISCV_TLS_TPREL64 +ENUMX + BFD_RELOC_RISCV_ALIGN +ENUMX + BFD_RELOC_RISCV_RVC_BRANCH +ENUMX + BFD_RELOC_RISCV_RVC_JUMP +ENUMX + BFD_RELOC_RISCV_RVC_LUI +ENUMX + BFD_RELOC_RISCV_GPREL_I +ENUMX + BFD_RELOC_RISCV_GPREL_S +ENUMX + BFD_RELOC_RISCV_TPREL_I +ENUMX + BFD_RELOC_RISCV_TPREL_S +ENUMX + BFD_RELOC_RISCV_RELAX +ENUMX + BFD_RELOC_RISCV_CFA +ENUMX + BFD_RELOC_RISCV_SUB6 +ENUMX + BFD_RELOC_RISCV_SET6 +ENUMX + BFD_RELOC_RISCV_SET8 +ENUMX + BFD_RELOC_RISCV_SET16 +ENUMX + BFD_RELOC_RISCV_SET32 +ENUMX + BFD_RELOC_RISCV_32_PCREL +ENUMDOC + RISC-V relocations. + ENUM BFD_RELOC_RL78_NEG8 ENUMX @@ -5629,87 +5957,11 @@ ENUMDOC This is the 8 bit high part of an absolute address and immediately follows a matching LO8XG part. ENUM - BFD_RELOC_16C_NUM08 -ENUMX - BFD_RELOC_16C_NUM08_C -ENUMX - BFD_RELOC_16C_NUM16 -ENUMX - BFD_RELOC_16C_NUM16_C -ENUMX - BFD_RELOC_16C_NUM32 -ENUMX - BFD_RELOC_16C_NUM32_C -ENUMX - BFD_RELOC_16C_DISP04 -ENUMX - BFD_RELOC_16C_DISP04_C -ENUMX - BFD_RELOC_16C_DISP08 -ENUMX - BFD_RELOC_16C_DISP08_C -ENUMX - BFD_RELOC_16C_DISP16 -ENUMX - BFD_RELOC_16C_DISP16_C -ENUMX - BFD_RELOC_16C_DISP24 -ENUMX - BFD_RELOC_16C_DISP24_C -ENUMX - BFD_RELOC_16C_DISP24a -ENUMX - BFD_RELOC_16C_DISP24a_C -ENUMX - BFD_RELOC_16C_REG04 -ENUMX - BFD_RELOC_16C_REG04_C -ENUMX - BFD_RELOC_16C_REG04a -ENUMX - BFD_RELOC_16C_REG04a_C -ENUMX - BFD_RELOC_16C_REG14 -ENUMX - BFD_RELOC_16C_REG14_C -ENUMX - BFD_RELOC_16C_REG16 -ENUMX - BFD_RELOC_16C_REG16_C -ENUMX - BFD_RELOC_16C_REG20 -ENUMX - BFD_RELOC_16C_REG20_C -ENUMX - BFD_RELOC_16C_ABS20 -ENUMX - BFD_RELOC_16C_ABS20_C -ENUMX - BFD_RELOC_16C_ABS24 -ENUMX - BFD_RELOC_16C_ABS24_C -ENUMX - BFD_RELOC_16C_IMM04 -ENUMX - BFD_RELOC_16C_IMM04_C -ENUMX - BFD_RELOC_16C_IMM16 -ENUMX - BFD_RELOC_16C_IMM16_C -ENUMX - BFD_RELOC_16C_IMM20 -ENUMX - BFD_RELOC_16C_IMM20_C -ENUMX - BFD_RELOC_16C_IMM24 -ENUMX - BFD_RELOC_16C_IMM24_C -ENUMX - BFD_RELOC_16C_IMM32 -ENUMX - BFD_RELOC_16C_IMM32_C + BFD_RELOC_S12Z_15_PCREL ENUMDOC - NS CR16C Relocations. + Freescale S12Z reloc. + This is a 15 bit relative address. If the most significant bits are all zero + then it may be truncated to 8 bits. ENUM BFD_RELOC_CR16_NUM8 @@ -5913,86 +6165,31 @@ ENUMDOC Relocs used in TLS code for CRIS. ENUM - BFD_RELOC_860_COPY -ENUMX - BFD_RELOC_860_GLOB_DAT -ENUMX - BFD_RELOC_860_JUMP_SLOT -ENUMX - BFD_RELOC_860_RELATIVE -ENUMX - BFD_RELOC_860_PC26 -ENUMX - BFD_RELOC_860_PLT26 -ENUMX - BFD_RELOC_860_PC16 -ENUMX - BFD_RELOC_860_LOW0 -ENUMX - BFD_RELOC_860_SPLIT0 -ENUMX - BFD_RELOC_860_LOW1 -ENUMX - BFD_RELOC_860_SPLIT1 -ENUMX - BFD_RELOC_860_LOW2 -ENUMX - BFD_RELOC_860_SPLIT2 -ENUMX - BFD_RELOC_860_LOW3 -ENUMX - BFD_RELOC_860_LOGOT0 -ENUMX - BFD_RELOC_860_SPGOT0 -ENUMX - BFD_RELOC_860_LOGOT1 -ENUMX - BFD_RELOC_860_SPGOT1 -ENUMX - BFD_RELOC_860_LOGOTOFF0 -ENUMX - BFD_RELOC_860_SPGOTOFF0 -ENUMX - BFD_RELOC_860_LOGOTOFF1 -ENUMX - BFD_RELOC_860_SPGOTOFF1 -ENUMX - BFD_RELOC_860_LOGOTOFF2 -ENUMX - BFD_RELOC_860_LOGOTOFF3 -ENUMX - BFD_RELOC_860_LOPC -ENUMX - BFD_RELOC_860_HIGHADJ -ENUMX - BFD_RELOC_860_HAGOT -ENUMX - BFD_RELOC_860_HAGOTOFF + BFD_RELOC_OR1K_REL_26 ENUMX - BFD_RELOC_860_HAPC + BFD_RELOC_OR1K_SLO16 ENUMX - BFD_RELOC_860_HIGH + BFD_RELOC_OR1K_PCREL_PG21 ENUMX - BFD_RELOC_860_HIGOT + BFD_RELOC_OR1K_LO13 ENUMX - BFD_RELOC_860_HIGOTOFF -ENUMDOC - Intel i860 Relocations. - -ENUM - BFD_RELOC_OR1K_REL_26 + BFD_RELOC_OR1K_SLO13 ENUMX BFD_RELOC_OR1K_GOTPC_HI16 ENUMX BFD_RELOC_OR1K_GOTPC_LO16 ENUMX BFD_RELOC_OR1K_GOT16 +ENUMX + BFD_RELOC_OR1K_GOT_PG21 +ENUMX + BFD_RELOC_OR1K_GOT_LO13 ENUMX BFD_RELOC_OR1K_PLT26 ENUMX - BFD_RELOC_OR1K_GOTOFF_HI16 + BFD_RELOC_OR1K_PLTA26 ENUMX - BFD_RELOC_OR1K_GOTOFF_LO16 + BFD_RELOC_OR1K_GOTOFF_SLO16 ENUMX BFD_RELOC_OR1K_COPY ENUMX @@ -6005,22 +6202,40 @@ ENUMX BFD_RELOC_OR1K_TLS_GD_HI16 ENUMX BFD_RELOC_OR1K_TLS_GD_LO16 +ENUMX + BFD_RELOC_OR1K_TLS_GD_PG21 +ENUMX + BFD_RELOC_OR1K_TLS_GD_LO13 ENUMX BFD_RELOC_OR1K_TLS_LDM_HI16 ENUMX BFD_RELOC_OR1K_TLS_LDM_LO16 +ENUMX + BFD_RELOC_OR1K_TLS_LDM_PG21 +ENUMX + BFD_RELOC_OR1K_TLS_LDM_LO13 ENUMX BFD_RELOC_OR1K_TLS_LDO_HI16 ENUMX BFD_RELOC_OR1K_TLS_LDO_LO16 ENUMX BFD_RELOC_OR1K_TLS_IE_HI16 +ENUMX + BFD_RELOC_OR1K_TLS_IE_AHI16 ENUMX BFD_RELOC_OR1K_TLS_IE_LO16 +ENUMX + BFD_RELOC_OR1K_TLS_IE_PG21 +ENUMX + BFD_RELOC_OR1K_TLS_IE_LO13 ENUMX BFD_RELOC_OR1K_TLS_LE_HI16 +ENUMX + BFD_RELOC_OR1K_TLS_LE_AHI16 ENUMX BFD_RELOC_OR1K_TLS_LE_LO16 +ENUMX + BFD_RELOC_OR1K_TLS_LE_SLO16 ENUMX BFD_RELOC_OR1K_TLS_TPOFF ENUMX @@ -6261,6 +6476,54 @@ ENUMX ENUMDOC Relocations used by the Altera Nios II core. +ENUM + BFD_RELOC_PRU_U16 +ENUMDOC + PRU LDI 16-bit unsigned data-memory relocation. +ENUM + BFD_RELOC_PRU_U16_PMEMIMM +ENUMDOC + PRU LDI 16-bit unsigned instruction-memory relocation. +ENUM + BFD_RELOC_PRU_LDI32 +ENUMDOC + PRU relocation for two consecutive LDI load instructions that load a + 32 bit value into a register. If the higher bits are all zero, then + the second instruction may be relaxed. +ENUM + BFD_RELOC_PRU_S10_PCREL +ENUMDOC + PRU QBBx 10-bit signed PC-relative relocation. +ENUM + BFD_RELOC_PRU_U8_PCREL +ENUMDOC + PRU 8-bit unsigned relocation used for the LOOP instruction. +ENUM + BFD_RELOC_PRU_32_PMEM +ENUMX + BFD_RELOC_PRU_16_PMEM +ENUMDOC + PRU Program Memory relocations. Used to convert from byte addressing to + 32-bit word addressing. +ENUM + BFD_RELOC_PRU_GNU_DIFF8 +ENUMX + BFD_RELOC_PRU_GNU_DIFF16 +ENUMX + BFD_RELOC_PRU_GNU_DIFF32 +ENUMX + BFD_RELOC_PRU_GNU_DIFF16_PMEM +ENUMX + BFD_RELOC_PRU_GNU_DIFF32_PMEM +ENUMDOC + PRU relocations to mark the difference of two local symbols. + These are only needed to support linker relaxation and can be ignored + when not relaxing. The field is set to the value of the difference + assuming no relaxation. The relocation encodes the position of the + second symbol so the linker can determine whether to adjust the field + value. The PMEM variants encode the word difference, instead of byte + difference between symbols. + ENUM BFD_RELOC_IQ2000_OFFSET_16 ENUMX @@ -6461,6 +6724,14 @@ ENUM BFD_RELOC_MACH_O_PAIR ENUMDOC Pair of relocation. Contains the first symbol. +ENUM + BFD_RELOC_MACH_O_SUBTRACTOR32 +ENUMDOC + Symbol will be substracted. Must be followed by a BFD_RELOC_32. +ENUM + BFD_RELOC_MACH_O_SUBTRACTOR64 +ENUMDOC + Symbol will be substracted. Must be followed by a BFD_RELOC_64. ENUM BFD_RELOC_MACH_O_X86_64_BRANCH32 @@ -6479,25 +6750,39 @@ ENUMDOC Used when loading a GOT entry with movq. It is specially marked so that the linker could optimize the movq to a leaq if possible. ENUM - BFD_RELOC_MACH_O_X86_64_SUBTRACTOR32 + BFD_RELOC_MACH_O_X86_64_PCREL32_1 ENUMDOC - Symbol will be substracted. Must be followed by a BFD_RELOC_64. + Same as BFD_RELOC_32_PCREL but with an implicit -1 addend. ENUM - BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64 + BFD_RELOC_MACH_O_X86_64_PCREL32_2 ENUMDOC - Symbol will be substracted. Must be followed by a BFD_RELOC_64. + Same as BFD_RELOC_32_PCREL but with an implicit -2 addend. ENUM - BFD_RELOC_MACH_O_X86_64_PCREL32_1 + BFD_RELOC_MACH_O_X86_64_PCREL32_4 ENUMDOC - Same as BFD_RELOC_32_PCREL but with an implicit -1 addend. + Same as BFD_RELOC_32_PCREL but with an implicit -4 addend. +ENUM + BFD_RELOC_MACH_O_X86_64_TLV +ENUMDOC + Used when referencing a TLV entry. + + +ENUM + BFD_RELOC_MACH_O_ARM64_ADDEND +ENUMDOC + Addend for PAGE or PAGEOFF. +ENUM + BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGE21 +ENUMDOC + Relative offset to page of GOT slot. ENUM - BFD_RELOC_MACH_O_X86_64_PCREL32_2 + BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGEOFF12 ENUMDOC - Same as BFD_RELOC_32_PCREL but with an implicit -2 addend. + Relative offset within page of GOT slot. ENUM - BFD_RELOC_MACH_O_X86_64_PCREL32_4 + BFD_RELOC_MACH_O_ARM64_POINTER_TO_GOT ENUMDOC - Same as BFD_RELOC_32_PCREL but with an implicit -4 addend. + Address of a GOT entry. ENUM BFD_RELOC_MICROBLAZE_32_LO @@ -6604,6 +6889,18 @@ ENUM ENUMDOC This is a 64 bit reloc that stores 32-bit thread pointer relative offset to two words (uses imm instruction). +ENUM + BFD_RELOC_MICROBLAZE_64_TEXTPCREL +ENUMDOC + This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). The relocation is + PC-relative offset from start of TEXT. +ENUM + BFD_RELOC_MICROBLAZE_64_TEXTREL +ENUMDOC + This is a 64 bit reloc that stores the 32 bit offset + value in two words (with an imm instruction). The relocation is + relative offset from start of TEXT. ENUM BFD_RELOC_AARCH64_RELOC_START @@ -6612,6 +6909,10 @@ ENUMDOC relocation enumerators. N.B. the order of the enumerators is important as several tables in the AArch64 bfd backend are indexed by these enumerators; make sure they are all synced. +ENUM + BFD_RELOC_AARCH64_NULL +ENUMDOC + Deprecated AArch64 null relocation code. ENUM BFD_RELOC_AARCH64_NONE ENUMDOC @@ -6688,6 +6989,43 @@ ENUMDOC AArch64 MOV[NZ] instruction with most significant bits 32 to 47 of a signed value. Changes instruction to MOVZ or MOVN depending on the value's sign. +ENUM + BFD_RELOC_AARCH64_MOVW_PREL_G0 +ENUMDOC + AArch64 MOV[NZ] instruction with most significant bits 0 to 15 + of a signed value. Changes instruction to MOVZ or MOVN depending on the + value's sign. +ENUM + BFD_RELOC_AARCH64_MOVW_PREL_G0_NC +ENUMDOC + AArch64 MOV[NZ] instruction with most significant bits 0 to 15 + of a signed value. Changes instruction to MOVZ or MOVN depending on the + value's sign. +ENUM + BFD_RELOC_AARCH64_MOVW_PREL_G1 +ENUMDOC + AArch64 MOVK instruction with most significant bits 16 to 31 + of a signed value. +ENUM + BFD_RELOC_AARCH64_MOVW_PREL_G1_NC +ENUMDOC + AArch64 MOVK instruction with most significant bits 16 to 31 + of a signed value. +ENUM + BFD_RELOC_AARCH64_MOVW_PREL_G2 +ENUMDOC + AArch64 MOVK instruction with most significant bits 32 to 47 + of a signed value. +ENUM + BFD_RELOC_AARCH64_MOVW_PREL_G2_NC +ENUMDOC + AArch64 MOVK instruction with most significant bits 32 to 47 + of a signed value. +ENUM + BFD_RELOC_AARCH64_MOVW_PREL_G3 +ENUMDOC + AArch64 MOVK instruction with most significant bits 47 to 63 + of a signed value. ENUM BFD_RELOC_AARCH64_LD_LO19_PCREL ENUMDOC @@ -6782,18 +7120,28 @@ ENUM ENUMDOC Unsigned 12 bit byte offset for 64 bit load/store from the page of the GOT entry for this symbol. Used in conjunction with - BFD_RELOC_AARCH64_ADR_GOTPAGE. Valid in LP64 ABI only. + BFD_RELOC_AARCH64_ADR_GOT_PAGE. Valid in LP64 ABI only. ENUM BFD_RELOC_AARCH64_LD32_GOT_LO12_NC ENUMDOC Unsigned 12 bit byte offset for 32 bit load/store from the page of the GOT entry for this symbol. Used in conjunction with - BFD_RELOC_AARCH64_ADR_GOTPAGE. Valid in ILP32 ABI only. + BFD_RELOC_AARCH64_ADR_GOT_PAGE. Valid in ILP32 ABI only. + ENUM + BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC +ENUMDOC + Unsigned 16 bit byte offset for 64 bit load/store from the GOT entry + for this symbol. Valid in LP64 ABI only. +ENUM + BFD_RELOC_AARCH64_MOVW_GOTOFF_G1 +ENUMDOC + Unsigned 16 bit byte higher offset for 64 bit load/store from the GOT entry + for this symbol. Valid in LP64 ABI only. ENUM BFD_RELOC_AARCH64_LD64_GOTOFF_LO15 ENUMDOC Unsigned 15 bit byte offset for 64 bit load/store from the page of - the GOT entry for this symbol. Valid in ILP64 ABI only. + the GOT entry for this symbol. Valid in LP64 ABI only. ENUM BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14 ENUMDOC @@ -6820,13 +7168,13 @@ ENUMDOC tls_index structure. Used in conjunction with BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21. ENUM - BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1 + BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC ENUMDOC - AArch64 TLS INITIAL EXEC relocation. + AArch64 TLS General Dynamic relocation. ENUM - BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC + BFD_RELOC_AARCH64_TLSGD_MOVW_G1 ENUMDOC - AArch64 TLS INITIAL EXEC relocation. + AArch64 TLS General Dynamic relocation. ENUM BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 ENUMDOC @@ -6843,6 +7191,32 @@ ENUM BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19 ENUMDOC AArch64 TLS INITIAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC +ENUMDOC + AArch64 TLS INITIAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1 +ENUMDOC + AArch64 TLS INITIAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_HI12 +ENUMDOC + bit[23:12] of byte offset to module TLS base address. +ENUM + BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12 +ENUMDOC + Unsigned 12 bit byte offset to module TLS base address. +ENUM + BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12_NC +ENUMDOC + No overflow check version of BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12. +ENUM + BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC +ENUMDOC + Unsigned 12 bit byte offset to global offset table entry for a symbols + tls_index structure. Used in conjunction with + BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21. ENUM BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21 ENUMDOC @@ -6852,6 +7226,62 @@ ENUM BFD_RELOC_AARCH64_TLSLD_ADR_PREL21 ENUMDOC GOT entry address for AArch64 TLS Local Dynamic, used with ADR instruction. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12 +ENUMDOC + bit[11:1] of byte offset to module TLS base address, encoded in ldst + instructions. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12, but no overflow check. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12 +ENUMDOC + bit[11:2] of byte offset to module TLS base address, encoded in ldst + instructions. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12, but no overflow check. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12 +ENUMDOC + bit[11:3] of byte offset to module TLS base address, encoded in ldst + instructions. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12, but no overflow check. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12 +ENUMDOC + bit[11:0] of byte offset to module TLS base address, encoded in ldst + instructions. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12, but no overflow check. +ENUM + BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0 +ENUMDOC + bit[15:0] of byte offset to module TLS base address. +ENUM + BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC +ENUMDOC + No overflow check version of BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0 +ENUM + BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1 +ENUMDOC + bit[31:16] of byte offset to module TLS base address. +ENUM + BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1_NC +ENUMDOC + No overflow check version of BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1 +ENUM + BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G2 +ENUMDOC + bit[47:32] of byte offset to module TLS base address. ENUM BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2 ENUMDOC @@ -6884,6 +7314,42 @@ ENUM BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC ENUMDOC AArch64 TLS LOCAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12 +ENUMDOC + bit[11:1] of byte offset to module TLS base address, encoded in ldst + instructions. +ENUM + BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12, but no overflow check. +ENUM + BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12 +ENUMDOC + bit[11:2] of byte offset to module TLS base address, encoded in ldst + instructions. +ENUM + BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12, but no overflow check. +ENUM + BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12 +ENUMDOC + bit[11:3] of byte offset to module TLS base address, encoded in ldst + instructions. +ENUM + BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12, but no overflow check. +ENUM + BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12 +ENUMDOC + bit[11:0] of byte offset to module TLS base address, encoded in ldst + instructions. +ENUM + BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12, but no overflow check. ENUM BFD_RELOC_AARCH64_TLSDESC_LD_PREL19 ENUMDOC @@ -6897,7 +7363,7 @@ ENUM ENUMDOC AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC + BFD_RELOC_AARCH64_TLSDESC_LD64_LO12 ENUMDOC AArch64 TLS DESC relocation. ENUM @@ -6905,7 +7371,7 @@ ENUM ENUMDOC AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC + BFD_RELOC_AARCH64_TLSDESC_ADD_LO12 ENUMDOC AArch64 TLS DESC relocation. ENUM @@ -6982,6 +7448,26 @@ ENUM ENUMDOC AArch64 unspecified load/store instruction, holding bits 0 to 11 of the address. Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12 +ENUMDOC + AArch64 pseudo relocation code for TLS local dynamic mode. It's to be + used internally by the AArch64 assembler and not (currently) written to + any object files. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12, but no overflow check. +ENUM + BFD_RELOC_AARCH64_TLSLE_LDST_TPREL_LO12 +ENUMDOC + AArch64 pseudo relocation code for TLS local exec mode. It's to be + used internally by the AArch64 assembler and not (currently) written to + any object files. +ENUM + BFD_RELOC_AARCH64_TLSLE_LDST_TPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLE_LDST_TPREL_LO12, but no overflow check. ENUM BFD_RELOC_AARCH64_LD_GOT_LO12_NC ENUMDOC @@ -6997,7 +7483,6 @@ ENUM ENUMDOC AArch64 pseudo relocation code to be used internally by the AArch64 assembler and not (currently) written to any object files. - ENUM BFD_RELOC_TILEPRO_COPY ENUMX @@ -7379,6 +7864,19 @@ ENUMX ENUMDOC Tilera TILE-Gx Relocations. +ENUM + BFD_RELOC_BPF_64 +ENUMX + BFD_RELOC_BPF_32 +ENUMX + BFD_RELOC_BPF_16 +ENUMX + BFD_RELOC_BPF_DISP16 +ENUMX + BFD_RELOC_BPF_DISP32 +ENUMDOC + Linux eBPF relocations. + ENUM BFD_RELOC_EPIPHANY_SIMM8 ENUMDOC @@ -7425,6 +7923,167 @@ ENUMX ENUMDOC Visium Relocations. +ENUM + BFD_RELOC_WASM32_LEB128 +ENUMX + BFD_RELOC_WASM32_LEB128_GOT +ENUMX + BFD_RELOC_WASM32_LEB128_GOT_CODE +ENUMX + BFD_RELOC_WASM32_LEB128_PLT +ENUMX + BFD_RELOC_WASM32_PLT_INDEX +ENUMX + BFD_RELOC_WASM32_ABS32_CODE +ENUMX + BFD_RELOC_WASM32_COPY +ENUMX + BFD_RELOC_WASM32_CODE_POINTER +ENUMX + BFD_RELOC_WASM32_INDEX +ENUMX + BFD_RELOC_WASM32_PLT_SIG +ENUMDOC + WebAssembly relocations. + +ENUM + BFD_RELOC_CKCORE_NONE +ENUMX + BFD_RELOC_CKCORE_ADDR32 +ENUMX + BFD_RELOC_CKCORE_PCREL_IMM8BY4 +ENUMX + BFD_RELOC_CKCORE_PCREL_IMM11BY2 +ENUMX + BFD_RELOC_CKCORE_PCREL_IMM4BY2 +ENUMX + BFD_RELOC_CKCORE_PCREL32 +ENUMX + BFD_RELOC_CKCORE_PCREL_JSR_IMM11BY2 +ENUMX + BFD_RELOC_CKCORE_GNU_VTINHERIT +ENUMX + BFD_RELOC_CKCORE_GNU_VTENTRY +ENUMX + BFD_RELOC_CKCORE_RELATIVE +ENUMX + BFD_RELOC_CKCORE_COPY +ENUMX + BFD_RELOC_CKCORE_GLOB_DAT +ENUMX + BFD_RELOC_CKCORE_JUMP_SLOT +ENUMX + BFD_RELOC_CKCORE_GOTOFF +ENUMX + BFD_RELOC_CKCORE_GOTPC +ENUMX + BFD_RELOC_CKCORE_GOT32 +ENUMX + BFD_RELOC_CKCORE_PLT32 +ENUMX + BFD_RELOC_CKCORE_ADDRGOT +ENUMX + BFD_RELOC_CKCORE_ADDRPLT +ENUMX + BFD_RELOC_CKCORE_PCREL_IMM26BY2 +ENUMX + BFD_RELOC_CKCORE_PCREL_IMM16BY2 +ENUMX + BFD_RELOC_CKCORE_PCREL_IMM16BY4 +ENUMX + BFD_RELOC_CKCORE_PCREL_IMM10BY2 +ENUMX + BFD_RELOC_CKCORE_PCREL_IMM10BY4 +ENUMX + BFD_RELOC_CKCORE_ADDR_HI16 +ENUMX + BFD_RELOC_CKCORE_ADDR_LO16 +ENUMX + BFD_RELOC_CKCORE_GOTPC_HI16 +ENUMX + BFD_RELOC_CKCORE_GOTPC_LO16 +ENUMX + BFD_RELOC_CKCORE_GOTOFF_HI16 +ENUMX + BFD_RELOC_CKCORE_GOTOFF_LO16 +ENUMX + BFD_RELOC_CKCORE_GOT12 +ENUMX + BFD_RELOC_CKCORE_GOT_HI16 +ENUMX + BFD_RELOC_CKCORE_GOT_LO16 +ENUMX + BFD_RELOC_CKCORE_PLT12 +ENUMX + BFD_RELOC_CKCORE_PLT_HI16 +ENUMX + BFD_RELOC_CKCORE_PLT_LO16 +ENUMX + BFD_RELOC_CKCORE_ADDRGOT_HI16 +ENUMX + BFD_RELOC_CKCORE_ADDRGOT_LO16 +ENUMX + BFD_RELOC_CKCORE_ADDRPLT_HI16 +ENUMX + BFD_RELOC_CKCORE_ADDRPLT_LO16 +ENUMX + BFD_RELOC_CKCORE_PCREL_JSR_IMM26BY2 +ENUMX + BFD_RELOC_CKCORE_TOFFSET_LO16 +ENUMX + BFD_RELOC_CKCORE_DOFFSET_LO16 +ENUMX + BFD_RELOC_CKCORE_PCREL_IMM18BY2 +ENUMX + BFD_RELOC_CKCORE_DOFFSET_IMM18 +ENUMX + BFD_RELOC_CKCORE_DOFFSET_IMM18BY2 +ENUMX + BFD_RELOC_CKCORE_DOFFSET_IMM18BY4 +ENUMX + BFD_RELOC_CKCORE_GOTOFF_IMM18 +ENUMX + BFD_RELOC_CKCORE_GOT_IMM18BY4 +ENUMX + BFD_RELOC_CKCORE_PLT_IMM18BY4 +ENUMX + BFD_RELOC_CKCORE_PCREL_IMM7BY4 +ENUMX + BFD_RELOC_CKCORE_TLS_LE32 +ENUMX + BFD_RELOC_CKCORE_TLS_IE32 +ENUMX + BFD_RELOC_CKCORE_TLS_GD32 +ENUMX + BFD_RELOC_CKCORE_TLS_LDM32 +ENUMX + BFD_RELOC_CKCORE_TLS_LDO32 +ENUMX + BFD_RELOC_CKCORE_TLS_DTPMOD32 +ENUMX + BFD_RELOC_CKCORE_TLS_DTPOFF32 +ENUMX + BFD_RELOC_CKCORE_TLS_TPOFF32 +ENUMX + BFD_RELOC_CKCORE_PCREL_FLRW_IMM8BY4 +ENUMX + BFD_RELOC_CKCORE_NOJSRI +ENUMX + BFD_RELOC_CKCORE_CALLGRAPH +ENUMX + BFD_RELOC_CKCORE_IRELATIVE +ENUMX + BFD_RELOC_CKCORE_PCREL_BLOOP_IMM4BY4 +ENUMX + BFD_RELOC_CKCORE_PCREL_BLOOP_IMM12BY4 +ENUMDOC + C-SKY relocations. + +ENUM + BFD_RELOC_S12Z_OPR +ENUMDOC + S12Z relocations. + ENDSENUM BFD_RELOC_UNUSED CODE_FRAGMENT @@ -7481,25 +8140,11 @@ DESCRIPTION reloc_howto_type * bfd_default_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) { - switch (code) - { - case BFD_RELOC_CTOR: - /* The type of reloc used in a ctor, which will be as wide as the - address - so either a 64, 32, or 16 bitter. */ - switch (bfd_arch_bits_per_address (abfd)) - { - case 64: - BFD_FAIL (); - case 32: - return &bfd_howto_32; - case 16: - BFD_FAIL (); - default: - BFD_FAIL (); - } - default: - BFD_FAIL (); - } + /* Very limited support is provided for relocs in generic targets + such as elf32-little. FIXME: Should we always return NULL? */ + if (code == BFD_RELOC_CTOR + && bfd_arch_bits_per_address (abfd) == 32) + return &bfd_howto_32; return NULL; } @@ -7545,7 +8190,7 @@ bfd_generic_relax_section (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_link_info *link_info ATTRIBUTE_UNUSED, bfd_boolean *again) { - if (link_info->relocatable) + if (bfd_link_relocatable (link_info)) (*link_info->callbacks->einfo) (_("%P%F: --relax and -r may not be used together\n")); @@ -7594,7 +8239,7 @@ bfd_generic_lookup_section_flags (struct bfd_link_info *info ATTRIBUTE_UNUSED, { if (flaginfo != NULL) { - (*_bfd_error_handler) (_("INPUT_SECTION_FLAGS are not supported.\n")); + _bfd_error_handler (_("INPUT_SECTION_FLAGS are not supported")); return FALSE; } return TRUE; @@ -7661,6 +8306,9 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, if (!bfd_get_full_section_contents (input_bfd, input_section, &data)) return NULL; + if (data == NULL) + return NULL; + if (reloc_size == 0) return data; @@ -7678,6 +8326,7 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, if (reloc_count > 0) { arelent **parent; + for (parent = reloc_vector; *parent != NULL; parent++) { char *error_message = NULL; @@ -7685,16 +8334,39 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, bfd_reloc_status_type r; symbol = *(*parent)->sym_ptr_ptr; - if (symbol->section && discarded_section (symbol->section)) + /* PR ld/19628: A specially crafted input file + can result in a NULL symbol pointer here. */ + if (symbol == NULL) + { + link_info->callbacks->einfo + /* xgettext:c-format */ + (_("%X%P: %pB(%pA): error: relocation for offset %V has no value\n"), + abfd, input_section, (* parent)->address); + goto error_return; + } + + /* Zap reloc field when the symbol is from a discarded + section, ignoring any addend. Do the same when called + from bfd_simple_get_relocated_section_contents for + undefined symbols in debug sections. This is to keep + debug info reasonably sane, in particular so that + DW_FORM_ref_addr to another file's .debug_info isn't + confused with an offset into the current file's + .debug_info. */ + if ((symbol->section != NULL && discarded_section (symbol->section)) + || (symbol->section == bfd_und_section_ptr + && (input_section->flags & SEC_DEBUGGING) != 0 + && link_info->input_bfds == link_info->output_bfd)) { - bfd_byte *p; + bfd_vma off; static reloc_howto_type none_howto = HOWTO (0, 0, 0, 0, FALSE, 0, complain_overflow_dont, NULL, "unused", FALSE, 0, 0, FALSE); - p = data + (*parent)->address * bfd_octets_per_byte (input_bfd); - _bfd_clear_contents ((*parent)->howto, input_bfd, input_section, - p); + off = ((*parent)->address + * bfd_octets_per_byte (input_bfd, input_section)); + _bfd_clear_contents ((*parent)->howto, input_bfd, + input_section, data, off); (*parent)->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; (*parent)->addend = 0; (*parent)->howto = &none_howto; @@ -7722,26 +8394,22 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, switch (r) { case bfd_reloc_undefined: - if (!((*link_info->callbacks->undefined_symbol) - (link_info, bfd_asymbol_name (*(*parent)->sym_ptr_ptr), - input_bfd, input_section, (*parent)->address, - TRUE))) - goto error_return; + (*link_info->callbacks->undefined_symbol) + (link_info, bfd_asymbol_name (*(*parent)->sym_ptr_ptr), + input_bfd, input_section, (*parent)->address, TRUE); break; case bfd_reloc_dangerous: BFD_ASSERT (error_message != NULL); - if (!((*link_info->callbacks->reloc_dangerous) - (link_info, error_message, input_bfd, input_section, - (*parent)->address))) - goto error_return; + (*link_info->callbacks->reloc_dangerous) + (link_info, error_message, + input_bfd, input_section, (*parent)->address); break; case bfd_reloc_overflow: - if (!((*link_info->callbacks->reloc_overflow) - (link_info, NULL, - bfd_asymbol_name (*(*parent)->sym_ptr_ptr), - (*parent)->howto->name, (*parent)->addend, - input_bfd, input_section, (*parent)->address))) - goto error_return; + (*link_info->callbacks->reloc_overflow) + (link_info, NULL, + bfd_asymbol_name (*(*parent)->sym_ptr_ptr), + (*parent)->howto->name, (*parent)->addend, + input_bfd, input_section, (*parent)->address); break; case bfd_reloc_outofrange: /* PR ld/13730: @@ -7749,7 +8417,8 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, complete binaries. Do not abort, but issue an error message instead. */ link_info->callbacks->einfo - (_("%X%P: %B(%A): relocation \"%R\" goes out of range\n"), + /* xgettext:c-format */ + (_("%X%P: %pB(%pA): relocation \"%pR\" goes out of range\n"), abfd, input_section, * parent); goto error_return; @@ -7758,7 +8427,8 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, This error can result when processing a corrupt binary. Do not abort. Issue an error message instead. */ link_info->callbacks->einfo - (_("%X%P: %B(%A): relocation \"%R\" is not supported\n"), + /* xgettext:c-format */ + (_("%X%P: %pB(%pA): relocation \"%pR\" is not supported\n"), abfd, input_section, * parent); goto error_return; @@ -7766,7 +8436,8 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, /* PR 17512; file: 90c2a92e. Report unexpected results, without aborting. */ link_info->callbacks->einfo - (_("%X%P: %B(%A): relocation \"%R\" returns an unrecognized value %x\n"), + /* xgettext:c-format */ + (_("%X%P: %pB(%pA): relocation \"%pR\" returns an unrecognized value %x\n"), abfd, input_section, * parent, r); break; } @@ -7782,3 +8453,82 @@ error_return: free (reloc_vector); return NULL; } + +/* +INTERNAL_FUNCTION + _bfd_generic_set_reloc + +SYNOPSIS + void _bfd_generic_set_reloc + (bfd *abfd, + sec_ptr section, + arelent **relptr, + unsigned int count); + +DESCRIPTION + Installs a new set of internal relocations in SECTION. +*/ + +void +_bfd_generic_set_reloc (bfd *abfd ATTRIBUTE_UNUSED, + sec_ptr section, + arelent **relptr, + unsigned int count) +{ + section->orelocation = relptr; + section->reloc_count = count; +} + +/* +INTERNAL_FUNCTION + _bfd_unrecognized_reloc + +SYNOPSIS + bfd_boolean _bfd_unrecognized_reloc + (bfd * abfd, + sec_ptr section, + unsigned int r_type); + +DESCRIPTION + Reports an unrecognized reloc. + Written as a function in order to reduce code duplication. + Returns FALSE so that it can be called from a return statement. +*/ + +bfd_boolean +_bfd_unrecognized_reloc (bfd * abfd, sec_ptr section, unsigned int r_type) +{ + /* xgettext:c-format */ + _bfd_error_handler (_("%pB: unrecognized relocation type %#x in section `%pA'"), + abfd, r_type, section); + + /* PR 21803: Suggest the most likely cause of this error. */ + _bfd_error_handler (_("is this version of the linker - %s - out of date ?"), + BFD_VERSION_STRING); + + bfd_set_error (bfd_error_bad_value); + return FALSE; +} + +reloc_howto_type * +_bfd_norelocs_bfd_reloc_type_lookup + (bfd *abfd, + bfd_reloc_code_real_type code ATTRIBUTE_UNUSED) +{ + return (reloc_howto_type *) _bfd_ptr_bfd_null_error (abfd); +} + +reloc_howto_type * +_bfd_norelocs_bfd_reloc_name_lookup (bfd *abfd, + const char *reloc_name ATTRIBUTE_UNUSED) +{ + return (reloc_howto_type *) _bfd_ptr_bfd_null_error (abfd); +} + +long +_bfd_nodynamic_canonicalize_dynamic_reloc (bfd *abfd, + arelent **relp ATTRIBUTE_UNUSED, + asymbol **symp ATTRIBUTE_UNUSED) +{ + return _bfd_long_bfd_n1_error (abfd); +}