From 5a352474f94fb3d8b8d81cd5000eb2d10ad7c656 Mon Sep 17 00:00:00 2001 From: Jan Kratochvil Date: Mon, 21 Jan 2013 16:46:12 +0000 Subject: [PATCH] gdb/ Fix gdb.fortran/common-block.exp crash in PIE mode. * dwarf2read.c (new_symbol_full) : Use LOC_COMMON_BLOCK. * f-valprint.c (info_common_command_for_block): Expect LOC_COMMON_BLOCK in gdb_assert. * symtab.h (struct general_symbol_info): Update comment for the common_block member. (domain_enum): Extend comment for the COMMON_BLOCK_DOMAIN member. (enum address_class): New member LOC_COMMON_BLOCK. --- gdb/ChangeLog | 12 ++++++++++++ gdb/dwarf2read.c | 2 +- gdb/f-valprint.c | 2 +- gdb/symtab.h | 9 +++++++-- 4 files changed, 21 insertions(+), 4 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 3e52b40ab20..bc73b971846 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,15 @@ +2013-01-21 Jan Kratochvil + + Fix gdb.fortran/common-block.exp crash in PIE mode. + * dwarf2read.c (new_symbol_full) : Use + LOC_COMMON_BLOCK. + * f-valprint.c (info_common_command_for_block): Expect + LOC_COMMON_BLOCK in gdb_assert. + * symtab.h (struct general_symbol_info): Update comment for the + common_block member. + (domain_enum): Extend comment for the COMMON_BLOCK_DOMAIN member. + (enum address_class): New member LOC_COMMON_BLOCK. + 2013-01-18 David Blaikie * MAINTAINERS (Write After Approval): Add "David Blaikie". diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index 7a58c455a9b..364e6af76b3 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -16071,7 +16071,7 @@ new_symbol_full (struct die_info *die, struct type *type, struct dwarf2_cu *cu, list_to_add = &global_symbols; break; case DW_TAG_common_block: - SYMBOL_CLASS (sym) = LOC_STATIC; + SYMBOL_CLASS (sym) = LOC_COMMON_BLOCK; SYMBOL_DOMAIN (sym) = COMMON_BLOCK_DOMAIN; add_symbol_to_list (sym, cu->list_in_scope); break; diff --git a/gdb/f-valprint.c b/gdb/f-valprint.c index 22cca8328f6..d01d6ec7a4e 100644 --- a/gdb/f-valprint.c +++ b/gdb/f-valprint.c @@ -427,7 +427,7 @@ info_common_command_for_block (struct block *block, const char *comname, struct common_block *common = SYMBOL_VALUE_COMMON_BLOCK (sym); size_t index; - gdb_assert (SYMBOL_CLASS (sym) == LOC_STATIC); + gdb_assert (SYMBOL_CLASS (sym) == LOC_COMMON_BLOCK); if (comname && (!SYMBOL_LINKAGE_NAME (sym) || strcmp (comname, SYMBOL_LINKAGE_NAME (sym)) != 0)) diff --git a/gdb/symtab.h b/gdb/symtab.h index c334a3a28df..b992266f265 100644 --- a/gdb/symtab.h +++ b/gdb/symtab.h @@ -120,7 +120,7 @@ struct general_symbol_info CORE_ADDR address; - /* A common block. Used with COMMON_BLOCK_DOMAIN. */ + /* A common block. Used with LOC_COMMON_BLOCK. */ struct common_block *common_block; @@ -414,7 +414,8 @@ typedef enum domain_enum_tag LABEL_DOMAIN, - /* Fortran common blocks. Their naming must be separate from VAR_DOMAIN. */ + /* Fortran common blocks. Their naming must be separate from VAR_DOMAIN. + They also always use LOC_COMMON_BLOCK. */ COMMON_BLOCK_DOMAIN } domain_enum; @@ -533,6 +534,10 @@ enum address_class /* The variable's address is computed by a set of location functions (see "struct symbol_computed_ops" below). */ LOC_COMPUTED, + + /* The variable uses general_symbol_info->value->common_block field. + It also always uses COMMON_BLOCK_DOMAIN. */ + LOC_COMMON_BLOCK, }; /* The methods needed to implement LOC_COMPUTED. These methods can -- 2.30.2