Index: head/contrib/elftoolchain/libdwarf/_libdwarf.h =================================================================== --- head/contrib/elftoolchain/libdwarf/_libdwarf.h +++ head/contrib/elftoolchain/libdwarf/_libdwarf.h @@ -49,7 +49,7 @@ struct _libdwarf_globals { Dwarf_Handler errhand; Dwarf_Ptr errarg; - int applyrela; + int applyreloc; }; extern struct _libdwarf_globals _libdwarf; Index: head/contrib/elftoolchain/libdwarf/dwarf_reloc.c =================================================================== --- head/contrib/elftoolchain/libdwarf/dwarf_reloc.c +++ head/contrib/elftoolchain/libdwarf/dwarf_reloc.c @@ -33,8 +33,8 @@ { int oldapply; - oldapply = _libdwarf.applyrela; - _libdwarf.applyrela = apply; + oldapply = _libdwarf.applyreloc; + _libdwarf.applyreloc = apply; return (oldapply); } Index: head/contrib/elftoolchain/libdwarf/dwarf_set_reloc_application.3 =================================================================== --- head/contrib/elftoolchain/libdwarf/dwarf_set_reloc_application.3 +++ head/contrib/elftoolchain/libdwarf/dwarf_set_reloc_application.3 @@ -24,7 +24,7 @@ .\" .\" $Id: dwarf_set_reloc_application.3 2075 2011-10-27 03:47:28Z jkoshy $ .\" -.Dd June 26, 2011 +.Dd February 11, 2015 .Os .Dt DWARF_SET_RELOC_APPLICATION 3 .Sh NAME @@ -47,6 +47,8 @@ If the argument .Ar apply holds a non-zero value, the library will process all the relevant +.Dq ".rel" +and .Dq ".rela" relocation sections and will apply the relocation records found to their corresponding DWARF sections. Index: head/contrib/elftoolchain/libdwarf/libdwarf.c =================================================================== --- head/contrib/elftoolchain/libdwarf/libdwarf.c +++ head/contrib/elftoolchain/libdwarf/libdwarf.c @@ -31,5 +31,5 @@ struct _libdwarf_globals _libdwarf = { .errhand = NULL, .errarg = NULL, - .applyrela = 1 + .applyreloc = 1 }; Index: head/contrib/elftoolchain/libdwarf/libdwarf_elf_init.c =================================================================== --- head/contrib/elftoolchain/libdwarf/libdwarf_elf_init.c +++ head/contrib/elftoolchain/libdwarf/libdwarf_elf_init.c @@ -50,36 +50,46 @@ }; static void -_dwarf_elf_apply_reloc(Dwarf_Debug dbg, void *buf, Elf_Data *rel_data, - Elf_Data *symtab_data, int endian) +_dwarf_elf_write_reloc(Dwarf_Debug dbg, Elf_Data *symtab_data, int endian, + void *buf, uint64_t offset, GElf_Xword r_info, GElf_Sxword r_addend) { - Dwarf_Unsigned type; - GElf_Rela rela; GElf_Sym sym; - size_t symndx; - uint64_t offset; - int size, j; + int size; + + if (gelf_getsym(symtab_data, GELF_R_SYM(r_info), &sym) == NULL) + return; + if ((size = _dwarf_get_reloc_size(dbg, GELF_R_TYPE(r_info))) == 0) + return; /* Unknown or non-absolute relocation. */ + if (endian == ELFDATA2MSB) + _dwarf_write_msb(buf, &offset, sym.st_value + r_addend, size); + else + _dwarf_write_lsb(buf, &offset, sym.st_value + r_addend, size); +} + +static void +_dwarf_elf_apply_rel_reloc(Dwarf_Debug dbg, void *buf, Elf_Data *rel_data, + Elf_Data *symtab_data, int endian) +{ + GElf_Rel rel; + int j; j = 0; - while (gelf_getrela(rel_data, j++, &rela) != NULL) { - symndx = GELF_R_SYM(rela.r_info); - type = GELF_R_TYPE(rela.r_info); + while (gelf_getrel(rel_data, j++, &rel) != NULL) + _dwarf_elf_write_reloc(dbg, symtab_data, endian, buf, + rel.r_offset, rel.r_info, 0); +} - if (gelf_getsym(symtab_data, symndx, &sym) == NULL) - continue; +static void +_dwarf_elf_apply_rela_reloc(Dwarf_Debug dbg, void *buf, Elf_Data *rel_data, + Elf_Data *symtab_data, int endian) +{ + GElf_Rela rela; + int j; - offset = rela.r_offset; - size = _dwarf_get_reloc_size(dbg, type); - if (size == 0) - continue; /* Unknown or non-absolute relocation. */ - - if (endian == ELFDATA2MSB) - _dwarf_write_msb(buf, &offset, - sym.st_value + rela.r_addend, size); - else - _dwarf_write_lsb(buf, &offset, - sym.st_value + rela.r_addend, size); - } + j = 0; + while (gelf_getrela(rel_data, j++, &rela) != NULL) + _dwarf_elf_write_reloc(dbg, symtab_data, endian, buf, + rela.r_offset, rela.r_info, rela.r_addend); } static int @@ -108,7 +118,8 @@ return (DW_DLE_ELF); } - if (sh.sh_type != SHT_RELA || sh.sh_size == 0) + if ((sh.sh_type != SHT_REL && sh.sh_type != SHT_RELA) || + sh.sh_size == 0) continue; if (sh.sh_info == shndx && sh.sh_link == symtab) { @@ -129,8 +140,12 @@ } memcpy(ed->ed_alloc, ed->ed_data->d_buf, ed->ed_data->d_size); - _dwarf_elf_apply_reloc(dbg, ed->ed_alloc, rel, - symtab_data, eh.e_ident[EI_DATA]); + if (sh.sh_type == SHT_REL) + _dwarf_elf_apply_rel_reloc(dbg, ed->ed_alloc, + rel, symtab_data, eh.e_ident[EI_DATA]); + else + _dwarf_elf_apply_rela_reloc(dbg, ed->ed_alloc, + rel, symtab_data, eh.e_ident[EI_DATA]); return (DW_DLE_NONE); } @@ -286,7 +301,7 @@ } } - if (_libdwarf.applyrela) { + if (_libdwarf.applyreloc) { if (_dwarf_elf_relocate(dbg, elf, &e->eo_data[j], elf_ndxscn(scn), symtab_ndx, symtab_data, error) != DW_DLE_NONE)