diff options
author | Alan Modra <amodra@gmail.com> | 2017-12-06 09:26:00 +1030 |
---|---|---|
committer | Alan Modra <amodra@gmail.com> | 2017-12-06 17:51:43 +1030 |
commit | 07d6d2b8345ef3dc82eab49635acac9ee67dbb18 (patch) | |
tree | 380d1e08ae32b2a37d5f9610f1811bb98299ac09 /bfd/reloc.c | |
parent | 65281396861dfcfa993eb5af4769d6837104890d (diff) | |
download | gdb-07d6d2b8345ef3dc82eab49635acac9ee67dbb18.zip gdb-07d6d2b8345ef3dc82eab49635acac9ee67dbb18.tar.gz gdb-07d6d2b8345ef3dc82eab49635acac9ee67dbb18.tar.bz2 |
BFD whitespace fixes
Binutils is supposed to use tabs. In my git config I have
whitespace = indent-with-non-tab,space-before-tab,trailing-space
and I got annoyed enough seeing red in "git diff" output to fix
the problems.
* doc/header.sed: Trim trailing space when splitting lines.
* aix386-core.c, * aout-adobe.c, * aout-arm.c, * aout-cris.c,
* aout-ns32k.c, * aout-target.h, * aout-tic30.c, * aoutf1.h, * aoutx.h,
* arc-got.h, * arc-plt.def, * arc-plt.h, * archive.c, * archive64.c,
* archures.c, * armnetbsd.c, * bfd-in.h, * bfd.c, * bfdio.c, * binary.c,
* bout.c, * cache.c, * cisco-core.c, * coff-alpha.c, * coff-apollo.c,
* coff-arm.c, * coff-h8300.c, * coff-i386.c, * coff-i860.c,
* coff-i960.c, * coff-m68k.c, * coff-m88k.c, * coff-mcore.c,
* coff-mips.c, * coff-ppc.c, * coff-rs6000.c, * coff-sh.c,
* coff-stgo32.c, * coff-tic4x.c, * coff-tic54x.c, * coff-tic80.c,
* coff-we32k.c, * coff-x86_64.c, * coff-z80.c, * coff-z8k.c,
* coff64-rs6000.c, * coffcode.h, * coffgen.c, * cofflink.c,
* coffswap.h, * compress.c, * corefile.c, * cpu-alpha.c, * cpu-arm.c,
* cpu-avr.c, * cpu-bfin.c, * cpu-cr16.c, * cpu-cr16c.c, * cpu-crx.c,
* cpu-d10v.c, * cpu-frv.c, * cpu-ft32.c, * cpu-i370.c, * cpu-i960.c,
* cpu-ia64-opc.c, * cpu-ip2k.c, * cpu-lm32.c, * cpu-m32r.c,
* cpu-mcore.c, * cpu-microblaze.c, * cpu-mips.c, * cpu-moxie.c,
* cpu-mt.c, * cpu-nios2.c, * cpu-ns32k.c, * cpu-or1k.c, * cpu-powerpc.c,
* cpu-pru.c, * cpu-sh.c, * cpu-spu.c, * cpu-v850.c, * cpu-v850_rh850.c,
* cpu-xgate.c, * cpu-z80.c, * dwarf1.c, * dwarf2.c, * ecoff.c,
* ecofflink.c, * ecoffswap.h, * elf-bfd.h, * elf-eh-frame.c,
* elf-hppa.h, * elf-m10200.c, * elf-m10300.c, * elf-s390-common.c,
* elf-strtab.c, * elf-vxworks.c, * elf.c, * elf32-am33lin.c,
* elf32-arc.c, * elf32-arm.c, * elf32-avr.c, * elf32-avr.h,
* elf32-bfin.c, * elf32-cr16.c, * elf32-cr16c.c, * elf32-cris.c,
* elf32-crx.c, * elf32-d10v.c, * elf32-d30v.c, * elf32-dlx.c,
* elf32-epiphany.c, * elf32-fr30.c, * elf32-frv.c, * elf32-ft32.c,
* elf32-h8300.c, * elf32-hppa.c, * elf32-i386.c, * elf32-i860.c,
* elf32-i960.c, * elf32-ip2k.c, * elf32-lm32.c, * elf32-m32c.c,
* elf32-m32r.c, * elf32-m68hc11.c, * elf32-m68hc12.c, * elf32-m68hc1x.c,
* elf32-m68hc1x.h, * elf32-m68k.c, * elf32-m88k.c, * elf32-mcore.c,
* elf32-mep.c, * elf32-metag.c, * elf32-microblaze.c, * elf32-mips.c,
* elf32-moxie.c, * elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c,
* elf32-nds32.h, * elf32-nios2.c, * elf32-or1k.c, * elf32-pj.c,
* elf32-ppc.c, * elf32-ppc.h, * elf32-pru.c, * elf32-rl78.c,
* elf32-rx.c, * elf32-s390.c, * elf32-score.c, * elf32-score.h,
* elf32-score7.c, * elf32-sh-symbian.c, * elf32-sh.c, * elf32-sh64.c,
* elf32-sparc.c, * elf32-spu.c, * elf32-tic6x.c, * elf32-tilegx.c,
* elf32-tilegx.h, * elf32-tilepro.c, * elf32-tilepro.h, * elf32-v850.c,
* elf32-vax.c, * elf32-wasm32.c, * elf32-xc16x.c, * elf32-xgate.c,
* elf32-xgate.h, * elf32-xstormy16.c, * elf32-xtensa.c, * elf64-alpha.c,
* elf64-hppa.c, * elf64-ia64-vms.c, * elf64-mips.c, * elf64-mmix.c,
* elf64-ppc.c, * elf64-s390.c, * elf64-sh64.c, * elf64-sparc.c,
* elf64-tilegx.c, * elf64-tilegx.h, * elf64-x86-64.c, * elfcore.h,
* elflink.c, * elfn32-mips.c, * elfnn-aarch64.c, * elfnn-ia64.c,
* elfnn-riscv.c, * elfxx-aarch64.c, * elfxx-aarch64.h, * elfxx-ia64.c,
* elfxx-ia64.h, * elfxx-mips.c, * elfxx-riscv.c, * elfxx-sparc.c,
* elfxx-tilegx.c, * elfxx-x86.c, * elfxx-x86.h, * freebsd.h, * hash.c,
* host-aout.c, * hp300hpux.c, * hppabsd-core.c, * hpux-core.c,
* i386aout.c, * i386linux.c, * i386lynx.c, * i386mach3.c, * i386msdos.c,
* i386netbsd.c, * ieee.c, * ihex.c, * irix-core.c, * libaout.h,
* libbfd-in.h, * libbfd.c, * libcoff-in.h, * libnlm.h, * libpei.h,
* libxcoff.h, * linker.c, * lynx-core.c, * m68k4knetbsd.c,
* m68klinux.c, * m68knetbsd.c, * m88kmach3.c, * mach-o-aarch64.c,
* mach-o-arm.c, * mach-o-i386.c, * mach-o-target.c, * mach-o-x86-64.c,
* mach-o.c, * mach-o.h, * merge.c, * mipsbsd.c, * mmo.c, * netbsd.h,
* netbsd-core.c, * newsos3.c, * nlm-target.h, * nlm32-ppc.c,
* nlm32-sparc.c, * nlmcode.h, * ns32k.h, * ns32knetbsd.c, * oasys.c,
* opncls.c, * pc532-mach.c, * pdp11.c, * pe-arm.c, * pe-i386.c,
* pe-mcore.c, * pe-mips.c, * pe-x86_64.c, * peXXigen.c, * pef.c,
* pef.h, * pei-arm.c, * pei-i386.c, * pei-mcore.c, * pei-x86_64.c,
* peicode.h, * plugin.c, * ppcboot.c, * ptrace-core.c, * reloc.c,
* riscix.c, * rs6000-core.c, * section.c, * som.c, * som.h,
* sparclinux.c, * sparcnetbsd.c, * srec.c, * stabs.c, * sunos.c,
* syms.c, * targets.c, * tekhex.c, * trad-core.c, * vax1knetbsd.c,
* vaxnetbsd.c, * verilog.c, * versados.c, * vms-alpha.c, * vms-lib.c,
* vms-misc.c, * wasm-module.c, * wasm-module.h, * xcofflink.c,
* xsym.c, * xsym.h: Whitespace fixes.
* bfd-in2.h, * libbfd.h, * libcoff.h: Regenerate.
Diffstat (limited to 'bfd/reloc.c')
-rw-r--r-- | bfd/reloc.c | 272 |
1 files changed, 136 insertions, 136 deletions
diff --git a/bfd/reloc.c b/bfd/reloc.c index 0fe93be..4727f19 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -118,31 +118,31 @@ CODE_FRAGMENT /* DESCRIPTION - Here is a description of each of the fields within an <<arelent>>: - - o <<sym_ptr_ptr>> - - 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 - <<canonicalize_symtab>> 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 <<address>> - - The <<address>> 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. + Here is a description of each of the fields within an <<arelent>>: + + o <<sym_ptr_ptr>> + + 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 + <<canonicalize_symtab>> 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 <<address>> + + The <<address>> 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 <<addend>> @@ -156,7 +156,7 @@ DESCRIPTION | return foo[0x12345678]; | } - Could be compiled into: + Could be compiled into: | linkw fp,#-4 | moveb @@#12345678,d0 @@ -164,8 +164,8 @@ DESCRIPTION | unlk fp | rts - This could create a reloc pointing to <<foo>>, but leave the - offset in the data, something like: + This could create a reloc pointing to <<foo>>, but leave the + offset in the data, something like: |RELOCATION RECORDS FOR [.text]: |offset type value @@ -177,16 +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 @@ -197,18 +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 @@ -216,8 +216,8 @@ DESCRIPTION | ret | restore - Both relocs contain a pointer to <<foo>>, and the offsets - contain junk. + Both relocs contain a pointer to <<foo>>, and the offsets + contain junk. |RELOCATION RECORDS FOR [.text]: |offset type value @@ -230,15 +230,15 @@ DESCRIPTION |0000000c 81c7e008 ; ret |00000010 81e80000 ; restore - o <<howto>> + o <<howto>> - The <<howto>> 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 <<howto>> 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. */ @@ -274,10 +274,10 @@ CODE_FRAGMENT /* SUBSUBSECTION - <<reloc_howto_type>> + <<reloc_howto_type>> - The <<reloc_howto_type>> is a structure which contains all the - information that libbfd needs to know to tie up a back end's data. + The <<reloc_howto_type>> 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. *} @@ -385,7 +385,7 @@ DESCRIPTION .#define NEWHOWTO(FUNCTION, NAME, SIZE, REL, IN) \ . HOWTO (0, 0, SIZE, 0, REL, 0, complain_overflow_dont, FUNCTION, \ -. NAME, FALSE, 0, 0, IN) +. NAME, FALSE, 0, 0, IN) . DESCRIPTION @@ -393,25 +393,25 @@ DESCRIPTION .#define EMPTY_HOWTO(C) \ . HOWTO ((C), 0, 0, 0, FALSE, 0, complain_overflow_dont, NULL, \ -. NULL, FALSE, 0, 0, FALSE) +. 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; \ -. } \ -. } \ +.#define HOWTO_PREPARE(relocation, symbol) \ +. { \ +. if (symbol != NULL) \ +. { \ +. if (bfd_is_com_section (symbol->section)) \ +. { \ +. relocation = 0; \ +. } \ +. else \ +. { \ +. relocation = symbol->value; \ +. } \ +. } \ . } . */ @@ -512,7 +512,7 @@ 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 */ @@ -546,13 +546,13 @@ FUNCTION SYNOPSIS bfd_boolean bfd_reloc_offset_in_range - (reloc_howto_type *howto, - bfd *abfd, - asection *section, - bfd_size_type offset); + (reloc_howto_type *howto, + bfd *abfd, + asection *section, + bfd_size_type offset); DESCRIPTION - Returns TRUE if the reloc described by @var{HOWTO} can be + Returns TRUE if the reloc described by @var{HOWTO} can be applied at @var{OFFSET} octets in @var{SECTION}. */ @@ -581,11 +581,11 @@ FUNCTION 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 @@ -895,23 +895,23 @@ space consuming. For each target: R result Do this: - (( i i i i i o o o o o from bfd_get<size> - 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<size> + 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<size> - and N N N N N ) get instruction + ( i i i i i o o o o o from bfd_get<size> + 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<size> + = R R R R R R R R R R put into bfd_put<size> */ #define DOIT(x) \ @@ -987,10 +987,10 @@ 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 @@ -1283,23 +1283,23 @@ space consuming. For each target: R result Do this: - (( i i i i i o o o o o from bfd_get<size> - 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<size> + 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<size> - and N N N N N ) get instruction + ( i i i i i o o o o o from bfd_get<size> + 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<size> + = R R R R R R R R R R put into bfd_put<size> */ #define DOIT(x) \ @@ -1481,9 +1481,9 @@ _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)) @@ -1512,11 +1512,11 @@ _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; @@ -1527,12 +1527,12 @@ _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 @@ -1545,16 +1545,16 @@ _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; @@ -2155,9 +2155,9 @@ 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 |