From e1e81ed3c319f765df8a755a6b901df650a4e4a0 Mon Sep 17 00:00:00 2001 From: Iain Sandoe Date: Fri, 17 Feb 2012 10:57:33 +0000 Subject: [PATCH] add LOCAL SECDIFF relocation for m32 mach-o bfd: * reloc.c (BFD_RELOC_MACH_O_LOCAL_SECTDIFF): * libbfd.h: Regenerated. * bfd-in2.h: Likewise. * mach-o-i386.c (i386_howto_table): Include local sectdiff. (bfd_mach_o_i386_swap_reloc_in): Update for local sectdiff. (bfd_mach_o_i386_swap_reloc_out): Likewise. --- bfd/ChangeLog | 9 +++++++++ bfd/bfd-in2.h | 4 ++++ bfd/libbfd.h | 1 + bfd/mach-o-i386.c | 23 +++++++++++++++++++++-- bfd/reloc.c | 4 ++++ 5 files changed, 39 insertions(+), 2 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index ceed759..b5b8a4b 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,12 @@ +2012-02-17 Tristan Gingold + + * reloc.c (BFD_RELOC_MACH_O_LOCAL_SECTDIFF): + * libbfd.h: Regenerated. + * bfd-in2.h: Likewise. + * mach-o-i386.c (i386_howto_table): Include local sectdiff. + (bfd_mach_o_i386_swap_reloc_in): Update for local sectdiff. + (bfd_mach_o_i386_swap_reloc_out): Likewise. + 2012-02-17 Andreas Krebbel * elf32-s390.c (elf_s390_relocate_section): Support basr in the diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index 5072e43..fb56337 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -2161,6 +2161,7 @@ enum bfd_architecture #define bfd_mach_tilegx 1 bfd_arch_last }; + typedef struct bfd_arch_info { int bits_per_word; @@ -4824,6 +4825,9 @@ BFD_RELOC_XTENSA_ASM_EXPAND. */ BFD_RELOC_MACH_O_PAIR. */ BFD_RELOC_MACH_O_SECTDIFF, +/* Like BFD_RELOC_MACH_O_SECTDIFF but with a local symbol. */ + BFD_RELOC_MACH_O_LOCAL_SECTDIFF, + /* Pair of relocation. Contains the first symbol. */ BFD_RELOC_MACH_O_PAIR, diff --git a/bfd/libbfd.h b/bfd/libbfd.h index 19c96cb..62f128f 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -2337,6 +2337,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", "BFD_RELOC_LM32_JMP_SLOT", "BFD_RELOC_LM32_RELATIVE", "BFD_RELOC_MACH_O_SECTDIFF", + "BFD_RELOC_MACH_O_LOCAL_SECTDIFF", "BFD_RELOC_MACH_O_PAIR", "BFD_RELOC_MACH_O_X86_64_BRANCH32", "BFD_RELOC_MACH_O_X86_64_BRANCH8", diff --git a/bfd/mach-o-i386.c b/bfd/mach-o-i386.c index 71272eb..b681352 100644 --- a/bfd/mach-o-i386.c +++ b/bfd/mach-o-i386.c @@ -63,6 +63,7 @@ bfd_mach_o_i386_mkobject (bfd *abfd) static reloc_howto_type i386_howto_table[]= { + /* 0 */ HOWTO(BFD_RELOC_32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, NULL, "32", @@ -79,6 +80,7 @@ static reloc_howto_type i386_howto_table[]= complain_overflow_bitfield, NULL, "DISP32", FALSE, 0xffffffff, 0xffffffff, TRUE), + /* 4 */ HOWTO(BFD_RELOC_16_PCREL, 0, 1, 16, TRUE, 0, complain_overflow_bitfield, NULL, "DISP16", @@ -87,6 +89,10 @@ static reloc_howto_type i386_howto_table[]= complain_overflow_bitfield, NULL, "SECTDIFF_32", FALSE, 0xffffffff, 0xffffffff, FALSE), + HOWTO(BFD_RELOC_MACH_O_LOCAL_SECTDIFF, 0, 2, 32, FALSE, 0, + complain_overflow_bitfield, + NULL, "LSECTDIFF_32", + FALSE, 0xffffffff, 0xffffffff, FALSE), HOWTO(BFD_RELOC_MACH_O_PAIR, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, NULL, "PAIR_32", @@ -103,15 +109,19 @@ bfd_mach_o_i386_swap_reloc_in (arelent *res, bfd_mach_o_reloc_info *reloc) case BFD_MACH_O_GENERIC_RELOC_PAIR: if (reloc->r_length != 2) return FALSE; - res->howto = &i386_howto_table[6]; + res->howto = &i386_howto_table[7]; res->address = res[-1].address; return TRUE; case BFD_MACH_O_GENERIC_RELOC_SECTDIFF: - case BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF: if (reloc->r_length != 2) return FALSE; res->howto = &i386_howto_table[5]; return TRUE; + case BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF: + if (reloc->r_length != 2) + return FALSE; + res->howto = &i386_howto_table[6]; + return TRUE; default: return FALSE; } @@ -183,6 +193,15 @@ bfd_mach_o_i386_swap_reloc_out (arelent *rel, bfd_mach_o_reloc_info *rinfo) rinfo->r_value = (*rel->sym_ptr_ptr)->value + (*rel->sym_ptr_ptr)->section->vma; break; + case BFD_RELOC_MACH_O_LOCAL_SECTDIFF: + rinfo->r_scattered = 1; + rinfo->r_type = BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF; + rinfo->r_pcrel = 0; + rinfo->r_length = 2; + rinfo->r_extern = 0; + rinfo->r_value = (*rel->sym_ptr_ptr)->value + + (*rel->sym_ptr_ptr)->section->vma; + break; case BFD_RELOC_MACH_O_PAIR: rinfo->r_address = 0; rinfo->r_scattered = 1; diff --git a/bfd/reloc.c b/bfd/reloc.c index 5cde4a8..778276f 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -5594,6 +5594,10 @@ ENUMDOC Difference between two section addreses. Must be followed by a BFD_RELOC_MACH_O_PAIR. ENUM + BFD_RELOC_MACH_O_LOCAL_SECTDIFF +ENUMDOC + Like BFD_RELOC_MACH_O_SECTDIFF but with a local symbol. +ENUM BFD_RELOC_MACH_O_PAIR ENUMDOC Pair of relocation. Contains the first symbol. -- 2.7.4