X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/57d96d2cf3a593395ef6657f07c06b57dcdac400..e0040bdd2da0584c51ac1d223bc0aaf0748be66b:/src/mc/mc_dwarf.c diff --git a/src/mc/mc_dwarf.c b/src/mc/mc_dwarf.c index 5839708020..b4427da5d2 100644 --- a/src/mc/mc_dwarf.c +++ b/src/mc/mc_dwarf.c @@ -1,6 +1,5 @@ /* Copyright (c) 2008-2013. The SimGrid Team. * All rights reserved. */ - /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ @@ -634,6 +633,10 @@ static void MC_dwarf_handle_type_die(mc_object_info_t info, Dwarf_Die* die, Dwar char* key = bprintf("%" PRIx64, (uint64_t) type->id); xbt_dict_set(info->types, key, type, NULL); + + if(type->name && type->byte_size!=0) { + xbt_dict_set(info->types_by_name, type->name, type, NULL); + } } /** \brief Convert libdw location expresion elment into native one (or NULL in some cases) */ @@ -876,10 +879,15 @@ static void MC_dwarf_handle_subprogram_die(mc_object_info_t info, Dwarf_Die* die name = MC_dwarf_attr_string(die, DW_AT_name); frame->name = xbt_strdup(name); + // This is the base address for DWARF addresses. + // Relocated addresses are offset from this base address. + // See DWARF4 spec 7.5 + void* base = info->flags & MC_OBJECT_INFO_EXECUTABLE ? 0 : MC_object_base_address(info); + // Variables are filled in the (recursive) call of MC_dwarf_handle_children: frame->variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp); - frame->high_pc = (void*) MC_dwarf_attr_addr(die, DW_AT_high_pc); - frame->low_pc = (void*) MC_dwarf_attr_addr(die, DW_AT_low_pc); + frame->high_pc = ((char*) base) + MC_dwarf_attr_addr(die, DW_AT_high_pc); + frame->low_pc = ((char*) base) + MC_dwarf_attr_addr(die, DW_AT_low_pc); frame->frame_base = MC_dwarf_at_location(die, DW_AT_frame_base); frame->end = -1; // This one is now useless: @@ -925,7 +933,6 @@ static void MC_dwarf_handle_die(mc_object_info_t info, Dwarf_Die* die, Dwarf_Die case DW_TAG_shared_type: MC_dwarf_handle_type_die(info, die, unit); break; - case DW_TAG_inlined_subroutine: case DW_TAG_subprogram: MC_dwarf_handle_subprogram_die(info, die, unit, frame); return; @@ -955,7 +962,16 @@ void MC_dwarf_get_variables(mc_object_info_t info) { size_t length; while (dwarf_nextcu (dwarf, offset, &next_offset, &length, NULL, NULL, NULL) == 0) { Dwarf_Die die; + if(dwarf_offdie(dwarf, offset+length, &die)!=NULL) { + + // Skip C++ for now (we will add support for it soon): + int lang = dwarf_srclang(&die); + if((lang==DW_LANG_C_plus_plus) || (lang==DW_LANG_ObjC_plus_plus)) { + offset = next_offset; + continue; + } + MC_dwarf_handle_die(info, &die, &die, NULL); } offset = next_offset;