diff options
Diffstat (limited to 'tapsets.cxx')
| -rw-r--r-- | tapsets.cxx | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/tapsets.cxx b/tapsets.cxx index eeccb90b..1728ec9e 100644 --- a/tapsets.cxx +++ b/tapsets.cxx @@ -3417,12 +3417,12 @@ dwarf_builder::build(systemtap_session & sess, Elf_Scn *probe_scn = NULL; dwfl_assert ("getshstrndx", elf_getshstrndx (elf, &shstrndx)); + GElf_Shdr shdr_mem; GElf_Shdr *shdr = NULL; // Is there a .probes section? while ((probe_scn = elf_nextscn (elf, probe_scn))) { - GElf_Shdr shdr_mem; shdr = gelf_getshdr (probe_scn, &shdr_mem); assert (shdr != NULL); @@ -3433,6 +3433,22 @@ dwarf_builder::build(systemtap_session & sess, } } + // Older versions put .probes section in the debuginfo dwarf file, + // so check if it actually exists, if not take the main elf file + if (probe_type == probes_and_dwarf && shdr->sh_type == SHT_NOBITS) + { + elf = dwfl_module_getelf (dw->module, &bias); + dwfl_assert ("getshstrndx", elf_getshstrndx (elf, &shstrndx)); + probe_scn = NULL; + while ((probe_scn = elf_nextscn (elf, probe_scn))) + { + shdr = gelf_getshdr (probe_scn, &shdr_mem); + if (strcmp (elf_strptr (elf, shstrndx, shdr->sh_name), + ".probes") == 0) + break; + } + } + // We got our .probes section, extract data. if (probe_type == probes_and_dwarf) { @@ -5163,7 +5179,7 @@ tracepoint_var_expanding_visitor::visit_target_symbol_context (target_symbol* e) expression *texp = require (tsym); // NB: throws nothing ... assert (!tsym->saved_conversion_error); // ... but this is how we know it happened. - pf->raw_components += "=%#x"; + pf->raw_components += args[i].isptr ? "=%p" : "=%#x"; pf->args.push_back(texp); } |