Date: Sun, 19 Aug 2012 09:17:21 +0000 (UTC) From: Martin Matuska <mm@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r239384 - vendor/illumos/dist/tools/ctf/cvt Message-ID: <201208190917.q7J9HL7l056367@svn.freebsd.org>
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Author: mm Date: Sun Aug 19 09:17:21 2012 New Revision: 239384 URL: http://svn.freebsd.org/changeset/base/239384 Log: Update vendor/illumos to illumos-gate 13754:7231b684c18b References: https://www.illumos.org/issues/2978 Obtained from: ssh://anonhg@hg.illumos.org/illumos-gate Modified: vendor/illumos/dist/tools/ctf/cvt/dwarf.c Modified: vendor/illumos/dist/tools/ctf/cvt/dwarf.c ============================================================================== --- vendor/illumos/dist/tools/ctf/cvt/dwarf.c Sun Aug 19 08:16:13 2012 (r239383) +++ vendor/illumos/dist/tools/ctf/cvt/dwarf.c Sun Aug 19 09:17:21 2012 (r239384) @@ -1839,21 +1839,53 @@ die_resolve(dwarf_t *dw) } /* - * Any object containing at least one allocatable section of non-0 size is - * taken to be a file which should contain DWARF type information + * Any object containing a function or object symbol at any scope should also + * contain DWARF data. */ static boolean_t should_have_dwarf(Elf *elf) { Elf_Scn *scn = NULL; + Elf_Data *data = NULL; + GElf_Shdr shdr; + GElf_Sym sym; + uint32_t symdx = 0; + size_t nsyms = 0; + boolean_t found = B_FALSE; while ((scn = elf_nextscn(elf, scn)) != NULL) { - GElf_Shdr shdr; gelf_getshdr(scn, &shdr); - if ((shdr.sh_flags & SHF_ALLOC) && - (shdr.sh_size != 0)) - return (B_TRUE); + if (shdr.sh_type == SHT_SYMTAB) { + found = B_TRUE; + break; + } + } + + if (!found) + terminate("cannot convert stripped objects\n"); + + data = elf_getdata(scn, NULL); + nsyms = shdr.sh_size / shdr.sh_entsize; + + for (symdx = 0; symdx < nsyms; symdx++) { + gelf_getsym(data, symdx, &sym); + + if ((GELF_ST_TYPE(sym.st_info) == STT_FUNC) || + (GELF_ST_TYPE(sym.st_info) == STT_TLS) || + (GELF_ST_TYPE(sym.st_info) == STT_OBJECT)) { + char *name; + + name = elf_strptr(elf, shdr.sh_link, sym.st_name); + + /* Studio emits these local symbols regardless */ + if ((strcmp(name, "Bbss.bss") != 0) && + (strcmp(name, "Ttbss.bss") != 0) && + (strcmp(name, "Ddata.data") != 0) && + (strcmp(name, "Ttdata.data") != 0) && + (strcmp(name, "Drodata.rodata") != 0)) + return (B_TRUE); + } } return (B_FALSE);
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