From c0e047e0e5090fe5148f5230e7e4abb3ff2c50ee Mon Sep 17 00:00:00 2001 From: Alexandre Oliva Date: Wed, 8 Aug 2001 11:17:46 +0000 Subject: [PATCH] * readelf.c (display_debug_info): Add to abbrev_offset the addend of any RELA relocation for the abbrev_offset memory location that refers to the .debug_abbrev section symbol. --- binutils/ChangeLog | 6 +++++ binutils/readelf.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 69 insertions(+) diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 51e5e011af4..41bc73573d4 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,9 @@ +2001-08-08 Alexandre Oliva + + * readelf.c (display_debug_info): Add to abbrev_offset the addend + of any RELA relocation for the abbrev_offset memory location that + refers to the .debug_abbrev section symbol. + 2001-08-07 H.J. Lu * readelf.c (process_file): Return 0 if OK, otherwise return 1. diff --git a/binutils/readelf.c b/binutils/readelf.c index fc7e0e3978f..ddad1044bcd 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -7026,6 +7026,7 @@ display_debug_info (section, start, file) { DWARF2_External_CompUnit * external; DWARF2_Internal_CompUnit compunit; + Elf32_Internal_Shdr * relsec; unsigned char * tags; int i; int level; @@ -7038,6 +7039,68 @@ display_debug_info (section, start, file) compunit.cu_abbrev_offset = BYTE_GET (external->cu_abbrev_offset); compunit.cu_pointer_size = BYTE_GET (external->cu_pointer_size); + /* Check for RELA relocations in the abbrev_offset address, and + apply them. */ + for (relsec = section_headers; + relsec < section_headers + elf_header.e_shnum; + ++relsec) + { + unsigned long nrelas, nsyms; + Elf_Internal_Rela *rela, *rp; + Elf32_Internal_Shdr *symsec; + Elf_Internal_Sym *symtab; + Elf_Internal_Sym *sym; + + if (relsec->sh_type != SHT_RELA + || section_headers + relsec->sh_info != section) + continue; + + if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size, + & rela, & nrelas)) + return 0; + + symsec = section_headers + relsec->sh_link; + nsyms = symsec->sh_size / symsec->sh_entsize; + symtab = GET_ELF_SYMBOLS (file, symsec->sh_offset, nsyms); + + for (rp = rela; rp < rela + nrelas; ++rp) + { + if (rp->r_offset + != (bfd_vma) ((unsigned char *) &external->cu_abbrev_offset + - section_begin)) + continue; + + if (is_32bit_elf) + { + sym = symtab + ELF32_R_SYM (rp->r_info); + + if (ELF32_ST_TYPE (sym->st_info) != STT_SECTION) + { + warn (_("Skipping unexpected symbol type %u"), + ELF32_ST_TYPE (sym->st_info)); + continue; + } + } + else + { + sym = symtab + ELF64_R_SYM (rp->r_info); + + if (ELF64_ST_TYPE (sym->st_info) != STT_SECTION) + { + warn (_("Skipping unexpected symbol type %u"), + ELF64_ST_TYPE (sym->st_info)); + continue; + } + } + + compunit.cu_abbrev_offset += rp->r_addend; + break; + } + + free (rela); + break; + } + tags = start + sizeof (* external); cu_offset = start - section_begin; start += compunit.cu_length + sizeof (external->cu_length); -- 2.30.2