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commit adde2bff0757e89175ede493f03b86953d0d9352
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Author: Doug Evans <xdje42@gmail.com>
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Date: Thu Feb 20 09:13:53 2014 -0800
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Fix PR symtab/16581
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* dwarf2read.c (struct die_info): New member in_process.
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(reset_die_in_process): New function.
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(process_die): Set it at the start, reset when returning.
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(inherit_abstract_dies): Only call process_die if origin_child_die
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not already being processed.
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testsuite/
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* gdb.dwarf2/dw2-icycle.S: New file.
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* gdb.dwarf2/dw2-icycle.c: New file.
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* gdb.dwarf2/dw2-icycle.exp: New file.
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### a/gdb/ChangeLog
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### b/gdb/ChangeLog
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## -1,3 +1,14 @@
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+2014-02-20 lin zuojian <manjian2006@gmail.com>
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+ Joel Brobecker <brobecker@adacore.com>
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+ Doug Evans <xdje42@gmail.com>
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+
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+ PR symtab/16581
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+ * dwarf2read.c (struct die_info): New member in_process.
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+ (reset_die_in_process): New function.
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+ (process_die): Set it at the start, reset when returning.
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+ (inherit_abstract_dies): Only call process_die if origin_child_die
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+ not already being processed.
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+
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2014-02-20 Joel Brobecker <brobecker@adacore.com>
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* windows-nat.c (handle_unload_dll): Add function documentation.
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--- a/gdb/dwarf2read.c
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+++ b/gdb/dwarf2read.c
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@@ -1225,6 +1225,9 @@ struct die_info
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type derived from this DIE. */
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unsigned char building_fullname : 1;
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+ /* True if this die is in process. PR 16581. */
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+ unsigned char in_process : 1;
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+
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/* Abbrev number */
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unsigned int abbrev;
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@@ -8008,11 +8011,28 @@ process_imported_unit_die (struct die_info *die, struct dwarf2_cu *cu)
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}
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}
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+/* Reset the in_process bit of a die. */
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+
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+static void
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+reset_die_in_process (void *arg)
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+{
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+ struct die_info *die = arg;
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+ die->in_process = 0;
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+}
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+
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/* Process a die and its children. */
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static void
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process_die (struct die_info *die, struct dwarf2_cu *cu)
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{
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+ struct cleanup *in_process;
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+
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+ /* We should only be processing those not already in process. */
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+ gdb_assert (!die->in_process);
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+
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+ die->in_process = 1;
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+ in_process = make_cleanup (reset_die_in_process,die);
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+
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switch (die->tag)
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{
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case DW_TAG_padding:
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@@ -7278,6 +7298,8 @@ process_die (struct die_info *die, struc
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new_symbol (die, NULL, cu);
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break;
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}
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+
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+ do_cleanups (in_process);
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}
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/* A helper function for dwarf2_compute_name which determines whether DIE
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@@ -10967,8 +10989,12 @@ inherit_abstract_dies (struct die_info *die, struct dwarf2_cu *cu)
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if (offsetp >= offsets_end
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|| offsetp->sect_off > origin_child_die->offset.sect_off)
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{
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- /* Found that ORIGIN_CHILD_DIE is really not referenced. */
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- process_die (origin_child_die, origin_cu);
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+ /* Found that ORIGIN_CHILD_DIE is really not referenced.
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+ Check whether we're already processing ORIGIN_CHILD_DIE.
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+ This can happen with mutually referenced abstract_origins.
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+ PR 16581. */
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+ if (!origin_child_die->in_process)
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+ process_die (origin_child_die, origin_cu);
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}
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origin_child_die = sibling_die (origin_child_die);
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}
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### a/gdb/testsuite/ChangeLog
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### b/gdb/testsuite/ChangeLog
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## -1,3 +1,12 @@
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+2014-02-20 lin zuojian <manjian2006@gmail.com>
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+ Joel Brobecker <brobecker@adacore.com>
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+ Doug Evans <xdje42@gmail.com>
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+
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+ PR symtab/16581
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+ * gdb.dwarf2/dw2-icycle.S: New file.
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+ * gdb.dwarf2/dw2-icycle.c: New file.
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+ * gdb.dwarf2/dw2-icycle.exp: New file.
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+
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2014-02-19 Siva Chandra Reddy <sivachandra@google.com>
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* gdb.python/py-value-cc.cc: Improve test case to enable testing
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--- /dev/null
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+++ b/gdb/testsuite/gdb.dwarf2/dw2-icycle.S
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@@ -0,0 +1,258 @@
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+/* This testcase is part of GDB, the GNU debugger.
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+
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+ Copyright 2014 Free Software Foundation, Inc.
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+
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+ This program is free software; you can redistribute it and/or modify
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+ it under the terms of the GNU General Public License as published by
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+ the Free Software Foundation; either version 3 of the License, or
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+ (at your option) any later version.
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+
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+ This program is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ GNU General Public License for more details.
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+
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+ You should have received a copy of the GNU General Public License
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+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
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+
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+ .text
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+
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+.Ltext0:
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+ .type p__top__middle__inside.3062, @function
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+p__top__middle__inside.3062:
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+.LFB4:
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+ .file 1 "p.adb"
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+ .4byte 0
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+.LBE6:
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+
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+ .globl p__top
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+ .type p__top, @function
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+p__top:
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+.LFB2:
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+ .4byte 0
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+.LFE2:
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+.Letext0:
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+
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+ .section .debug_info,"",@progbits
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+.Ldebug_info0:
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+ .4byte .Ledebug_info0 - .Lsdebug_info0 /* Length of CU Info */
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+.Lsdebug_info0:
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+ .2byte 0x4 /* DWARF version number */
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+ .4byte .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
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+ .byte 0x4 /* Pointer Size (in bytes) */
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+ .uleb128 0x1 /* (DIE (0xb) DW_TAG_compile_unit) */
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+ .ascii "GNU Ada 4.9.0 20140126\0" /* DW_AT_producer */
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+ .byte 0xd /* DW_AT_language */
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+ .ascii "p.adb\0" /* DW_AT_name */
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+ .ascii "/tmp\0" /* DW_AT_comp_dir */
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+ .4byte .Ltext0 /* DW_AT_low_pc */
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+ .4byte .Letext0-.Ltext0 /* DW_AT_high_pc */
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+.S0x142:
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+ .uleb128 0x8 /* (DIE (0x142) DW_TAG_base_type) */
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+ .byte 0x4 /* DW_AT_byte_size */
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+ .byte 0x5 /* DW_AT_encoding */
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+ .ascii "integer\0" /* DW_AT_name */
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+
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+ .uleb128 0x13 /* (DIE (0x1b4) DW_TAG_subprogram) */
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+ /* DW_AT_external */
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+ .ascii "p__top\0" /* DW_AT_name */
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+ .byte 0x1 /* DW_AT_decl_file (p.adb) */
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+ .byte 0x3 /* DW_AT_decl_line */
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+ .4byte .LFB2 /* DW_AT_low_pc */
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+ .4byte .LFE2-.LFB2 /* DW_AT_high_pc */
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+ .uleb128 0x1 /* DW_AT_frame_base */
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+ .byte 0x9c /* DW_OP_call_frame_cfa */
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+ /* DW_AT_GNU_all_call_sites */
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+ .4byte .S0x4fc - .Ldebug_info0 /* DW_AT_sibling */
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+.S0x1e0:
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+ .uleb128 0x15 /* (DIE (0x1e0) DW_TAG_subprogram) */
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+ .ascii "p__top__middle\0" /* DW_AT_name */
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+ .byte 0x1 /* DW_AT_decl_file (p.adb) */
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+ .byte 0x4 /* DW_AT_decl_line */
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+ .byte 0x1 /* DW_AT_inline */
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+ .4byte .S0x374 - .Ldebug_info0 /* DW_AT_sibling */
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+.S0x202:
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+ .uleb128 0x15 /* (DIE (0x202) DW_TAG_subprogram) */
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+ .ascii "p__top__middle__inside\0" /* DW_AT_name */
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+ .byte 0x1 /* DW_AT_decl_file (p.adb) */
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+ .byte 0x5 /* DW_AT_decl_line */
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+ .byte 0x1 /* DW_AT_inline */
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+ .4byte .S0x225 - .Ldebug_info0 /* DW_AT_sibling */
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+ .byte 0 /* end of children of DIE 0x202 */
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+.S0x225:
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+ .uleb128 0x18 /* (DIE (0x225) DW_TAG_subprogram) */
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+ .4byte .S0x202 - .Ldebug_info0 /* DW_AT_abstract_origin */
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+ .4byte .LFB4 /* DW_AT_low_pc */
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+ .4byte .LBE6-.LFB4 /* DW_AT_high_pc */
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+ .uleb128 0x1 /* DW_AT_frame_base */
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+ .byte 0x9c /* DW_OP_call_frame_cfa */
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+ .uleb128 0x1 /* DW_AT_static_link */
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+ .byte 0x56 /* DW_OP_reg6 */
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+ /* DW_AT_GNU_all_call_sites */
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+ .uleb128 0x1a /* (DIE (0x247) DW_TAG_inlined_subroutine) */
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+ .4byte .S0x1e0 - .Ldebug_info0 /* DW_AT_abstract_origin */
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+ .4byte .LFB4 /* DW_AT_low_pc */
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+ .4byte .LBE6-.LFB4 /* DW_AT_high_pc */
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+ .byte 0x1 /* DW_AT_call_file (p.adb) */
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+ .byte 0x14 /* DW_AT_call_line */
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+ .4byte .S0x374 - .Ldebug_info0 /* DW_AT_sibling */
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+ .byte 0 /* end of children of DIE 0x247 */
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+ .byte 0 /* end of children of DIE 0x225 */
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+ .byte 0 /* end of children of DIE 0x1e0 */
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+.S0x374:
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+ .uleb128 0x23 /* (DIE (0x382) DW_TAG_inlined_subroutine) */
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+ .4byte .S0x1e0 - .Ldebug_info0 /* DW_AT_abstract_origin */
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+ .4byte .LFB4 /* DW_AT_low_pc */
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+ .4byte .LBE6-.LFB4 /* DW_AT_high_pc */
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+ .byte 0x1 /* DW_AT_call_file (p.adb) */
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+ .byte 0x1d /* DW_AT_call_line */
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+ .byte 0 /* end of children of DIE 0x382 */
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+ .byte 0 /* end of children of DIE 0x1b4 */
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+.S0x4fc:
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+ .uleb128 0x28 /* (DIE (0x52e) DW_TAG_subprogram) */
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+ /* DW_AT_external */
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8c62a9 |
+ .ascii "__gnat_rcheck_PE_Explicit_Raise\0" /* DW_AT_name */
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8c62a9 |
+ /* DW_AT_artificial */
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8c62a9 |
+ /* DW_AT_declaration */
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8c62a9 |
+ .byte 0 /* end of children of DIE 0x52e */
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+ .byte 0 /* end of children of DIE 0xb */
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+.Ledebug_info0:
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+
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8c62a9 |
+ .section .debug_abbrev,"",@progbits
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8c62a9 |
+.Ldebug_abbrev0:
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8c62a9 |
+ .uleb128 0x1 /* (abbrev code) */
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8c62a9 |
+ .uleb128 0x11 /* (TAG: DW_TAG_compile_unit) */
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8c62a9 |
+ .byte 0x1 /* DW_children_yes */
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8c62a9 |
+ .uleb128 0x25 /* (DW_AT_producer) */
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+ .uleb128 0x8 /* (DW_FORM_string) */
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8c62a9 |
+ .uleb128 0x13 /* (DW_AT_language) */
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8c62a9 |
+ .uleb128 0xb /* (DW_FORM_data1) */
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+ .uleb128 0x3 /* (DW_AT_name) */
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8c62a9 |
+ .uleb128 0x8 /* (DW_FORM_string) */
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8c62a9 |
+ .uleb128 0x1b /* (DW_AT_comp_dir) */
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8c62a9 |
+ .uleb128 0x8 /* (DW_FORM_string) */
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8c62a9 |
+ .uleb128 0x11 /* (DW_AT_low_pc) */
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8c62a9 |
+ .uleb128 0x1 /* (DW_FORM_addr) */
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8c62a9 |
+ .uleb128 0x12 /* (DW_AT_high_pc) */
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8c62a9 |
+ .uleb128 0x6 /* (DW_FORM_data4) */
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8c62a9 |
+ .byte 0
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8c62a9 |
+ .byte 0
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8c62a9 |
+ .uleb128 0x8 /* (abbrev code) */
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8c62a9 |
+ .uleb128 0x24 /* (TAG: DW_TAG_base_type) */
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8c62a9 |
+ .byte 0 /* DW_children_no */
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8c62a9 |
+ .uleb128 0xb /* (DW_AT_byte_size) */
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|
8c62a9 |
+ .uleb128 0xb /* (DW_FORM_data1) */
|
|
|
8c62a9 |
+ .uleb128 0x3e /* (DW_AT_encoding) */
|
|
|
8c62a9 |
+ .uleb128 0xb /* (DW_FORM_data1) */
|
|
|
8c62a9 |
+ .uleb128 0x3 /* (DW_AT_name) */
|
|
|
8c62a9 |
+ .uleb128 0x8 /* (DW_FORM_string) */
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .uleb128 0x13 /* (abbrev code) */
|
|
|
8c62a9 |
+ .uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
|
|
|
8c62a9 |
+ .byte 0x1 /* DW_children_yes */
|
|
|
8c62a9 |
+ .uleb128 0x3f /* (DW_AT_external) */
|
|
|
8c62a9 |
+ .uleb128 0x19 /* (DW_FORM_flag_present) */
|
|
|
8c62a9 |
+ .uleb128 0x3 /* (DW_AT_name) */
|
|
|
8c62a9 |
+ .uleb128 0x8 /* (DW_FORM_string) */
|
|
|
8c62a9 |
+ .uleb128 0x3a /* (DW_AT_decl_file) */
|
|
|
8c62a9 |
+ .uleb128 0xb /* (DW_FORM_data1) */
|
|
|
8c62a9 |
+ .uleb128 0x3b /* (DW_AT_decl_line) */
|
|
|
8c62a9 |
+ .uleb128 0xb /* (DW_FORM_data1) */
|
|
|
8c62a9 |
+ .uleb128 0x11 /* (DW_AT_low_pc) */
|
|
|
8c62a9 |
+ .uleb128 0x1 /* (DW_FORM_addr) */
|
|
|
8c62a9 |
+ .uleb128 0x12 /* (DW_AT_high_pc) */
|
|
|
8c62a9 |
+ .uleb128 0x6 /* (DW_FORM_data4) */
|
|
|
8c62a9 |
+ .uleb128 0x40 /* (DW_AT_frame_base) */
|
|
|
8c62a9 |
+ .uleb128 0x18 /* (DW_FORM_exprloc) */
|
|
|
8c62a9 |
+ .uleb128 0x2117 /* (DW_AT_GNU_all_call_sites) */
|
|
|
8c62a9 |
+ .uleb128 0x19 /* (DW_FORM_flag_present) */
|
|
|
8c62a9 |
+ .uleb128 0x1 /* (DW_AT_sibling) */
|
|
|
8c62a9 |
+ .uleb128 0x13 /* (DW_FORM_ref4) */
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .uleb128 0x15 /* (abbrev code) */
|
|
|
8c62a9 |
+ .uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
|
|
|
8c62a9 |
+ .byte 0x1 /* DW_children_yes */
|
|
|
8c62a9 |
+ .uleb128 0x3 /* (DW_AT_name) */
|
|
|
8c62a9 |
+ .uleb128 0x8 /* (DW_FORM_string) */
|
|
|
8c62a9 |
+ .uleb128 0x3a /* (DW_AT_decl_file) */
|
|
|
8c62a9 |
+ .uleb128 0xb /* (DW_FORM_data1) */
|
|
|
8c62a9 |
+ .uleb128 0x3b /* (DW_AT_decl_line) */
|
|
|
8c62a9 |
+ .uleb128 0xb /* (DW_FORM_data1) */
|
|
|
8c62a9 |
+ .uleb128 0x20 /* (DW_AT_inline) */
|
|
|
8c62a9 |
+ .uleb128 0xb /* (DW_FORM_data1) */
|
|
|
8c62a9 |
+ .uleb128 0x1 /* (DW_AT_sibling) */
|
|
|
8c62a9 |
+ .uleb128 0x13 /* (DW_FORM_ref4) */
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .uleb128 0x18 /* (abbrev code) */
|
|
|
8c62a9 |
+ .uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
|
|
|
8c62a9 |
+ .byte 0x1 /* DW_children_yes */
|
|
|
8c62a9 |
+ .uleb128 0x31 /* (DW_AT_abstract_origin) */
|
|
|
8c62a9 |
+ .uleb128 0x13 /* (DW_FORM_ref4) */
|
|
|
8c62a9 |
+ .uleb128 0x11 /* (DW_AT_low_pc) */
|
|
|
8c62a9 |
+ .uleb128 0x1 /* (DW_FORM_addr) */
|
|
|
8c62a9 |
+ .uleb128 0x12 /* (DW_AT_high_pc) */
|
|
|
8c62a9 |
+ .uleb128 0x6 /* (DW_FORM_data4) */
|
|
|
8c62a9 |
+ .uleb128 0x40 /* (DW_AT_frame_base) */
|
|
|
8c62a9 |
+ .uleb128 0x18 /* (DW_FORM_exprloc) */
|
|
|
8c62a9 |
+ .uleb128 0x48 /* (DW_AT_static_link) */
|
|
|
8c62a9 |
+ .uleb128 0x18 /* (DW_FORM_exprloc) */
|
|
|
8c62a9 |
+ .uleb128 0x2117 /* (DW_AT_GNU_all_call_sites) */
|
|
|
8c62a9 |
+ .uleb128 0x19 /* (DW_FORM_flag_present) */
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .uleb128 0x1a /* (abbrev code) */
|
|
|
8c62a9 |
+ .uleb128 0x1d /* (TAG: DW_TAG_inlined_subroutine) */
|
|
|
8c62a9 |
+ .byte 0x1 /* DW_children_yes */
|
|
|
8c62a9 |
+ .uleb128 0x31 /* (DW_AT_abstract_origin) */
|
|
|
8c62a9 |
+ .uleb128 0x13 /* (DW_FORM_ref4) */
|
|
|
8c62a9 |
+ .uleb128 0x11 /* (DW_AT_low_pc) */
|
|
|
8c62a9 |
+ .uleb128 0x1 /* (DW_FORM_addr) */
|
|
|
8c62a9 |
+ .uleb128 0x12 /* (DW_AT_high_pc) */
|
|
|
8c62a9 |
+ .uleb128 0x6 /* (DW_FORM_data4) */
|
|
|
8c62a9 |
+ .uleb128 0x58 /* (DW_AT_call_file) */
|
|
|
8c62a9 |
+ .uleb128 0xb /* (DW_FORM_data1) */
|
|
|
8c62a9 |
+ .uleb128 0x59 /* (DW_AT_call_line) */
|
|
|
8c62a9 |
+ .uleb128 0xb /* (DW_FORM_data1) */
|
|
|
8c62a9 |
+ .uleb128 0x1 /* (DW_AT_sibling) */
|
|
|
8c62a9 |
+ .uleb128 0x13 /* (DW_FORM_ref4) */
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .uleb128 0x23 /* (abbrev code) */
|
|
|
8c62a9 |
+ .uleb128 0x1d /* (TAG: DW_TAG_inlined_subroutine) */
|
|
|
8c62a9 |
+ .byte 0x1 /* DW_children_yes */
|
|
|
8c62a9 |
+ .uleb128 0x31 /* (DW_AT_abstract_origin) */
|
|
|
8c62a9 |
+ .uleb128 0x13 /* (DW_FORM_ref4) */
|
|
|
8c62a9 |
+ .uleb128 0x11 /* (DW_AT_low_pc) */
|
|
|
8c62a9 |
+ .uleb128 0x1 /* (DW_FORM_addr) */
|
|
|
8c62a9 |
+ .uleb128 0x12 /* (DW_AT_high_pc) */
|
|
|
8c62a9 |
+ .uleb128 0x6 /* (DW_FORM_data4) */
|
|
|
8c62a9 |
+ .uleb128 0x58 /* (DW_AT_call_file) */
|
|
|
8c62a9 |
+ .uleb128 0xb /* (DW_FORM_data1) */
|
|
|
8c62a9 |
+ .uleb128 0x59 /* (DW_AT_call_line) */
|
|
|
8c62a9 |
+ .uleb128 0xb /* (DW_FORM_data1) */
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .uleb128 0x28 /* (abbrev code) */
|
|
|
8c62a9 |
+ .uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
|
|
|
8c62a9 |
+ .byte 0x1 /* DW_children_yes */
|
|
|
8c62a9 |
+ .uleb128 0x3f /* (DW_AT_external) */
|
|
|
8c62a9 |
+ .uleb128 0x19 /* (DW_FORM_flag_present) */
|
|
|
8c62a9 |
+ .uleb128 0x3 /* (DW_AT_name) */
|
|
|
8c62a9 |
+ .uleb128 0x8 /* (DW_FORM_string) */
|
|
|
8c62a9 |
+ .uleb128 0x34 /* (DW_AT_artificial) */
|
|
|
8c62a9 |
+ .uleb128 0x19 /* (DW_FORM_flag_present) */
|
|
|
8c62a9 |
+ .uleb128 0x3c /* (DW_AT_declaration) */
|
|
|
8c62a9 |
+ .uleb128 0x19 /* (DW_FORM_flag_present) */
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+ .section .debug_line
|
|
|
8c62a9 |
+.Lline1_begin:
|
|
|
8c62a9 |
+ .byte 0
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
--- /dev/null
|
|
|
8c62a9 |
+++ b/gdb/testsuite/gdb.dwarf2/dw2-icycle.c
|
|
|
8c62a9 |
@@ -0,0 +1,24 @@
|
|
|
8c62a9 |
+/* This testcase is part of GDB, the GNU debugger.
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+ Copyright 2004-2014 Free Software Foundation, Inc.
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+ This program is free software; you can redistribute it and/or modify
|
|
|
8c62a9 |
+ it under the terms of the GNU General Public License as published by
|
|
|
8c62a9 |
+ the Free Software Foundation; either version 3 of the License, or
|
|
|
8c62a9 |
+ (at your option) any later version.
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+ This program is distributed in the hope that it will be useful,
|
|
|
8c62a9 |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
8c62a9 |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
8c62a9 |
+ GNU General Public License for more details.
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+ You should have received a copy of the GNU General Public License
|
|
|
8c62a9 |
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+/* Dummy main function. */
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+int
|
|
|
8c62a9 |
+main()
|
|
|
8c62a9 |
+{
|
|
|
8c62a9 |
+ return 0;
|
|
|
8c62a9 |
+}
|
|
|
8c62a9 |
--- /dev/null
|
|
|
8c62a9 |
+++ b/gdb/testsuite/gdb.dwarf2/dw2-icycle.exp
|
|
|
8c62a9 |
@@ -0,0 +1,46 @@
|
|
|
8c62a9 |
+# Copyright 2014 Free Software Foundation, Inc.
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+# This program is free software; you can redistribute it and/or modify
|
|
|
8c62a9 |
+# it under the terms of the GNU General Public License as published by
|
|
|
8c62a9 |
+# the Free Software Foundation; either version 3 of the License, or
|
|
|
8c62a9 |
+# (at your option) any later version.
|
|
|
8c62a9 |
+#
|
|
|
8c62a9 |
+# This program is distributed in the hope that it will be useful,
|
|
|
8c62a9 |
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
8c62a9 |
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
8c62a9 |
+# GNU General Public License for more details.
|
|
|
8c62a9 |
+#
|
|
|
8c62a9 |
+# You should have received a copy of the GNU General Public License
|
|
|
8c62a9 |
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+# This test exercises PR 16581.
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+load_lib dwarf.exp
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+# This test can only be run on targets which support DWARF-2 and use gas.
|
|
|
8c62a9 |
+if {![dwarf2_support]} {
|
|
|
8c62a9 |
+ return 0
|
|
|
8c62a9 |
+}
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+standard_testfile .S .c
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+if { [prepare_for_testing ${testfile}.exp ${testfile} \
|
|
|
8c62a9 |
+ [list $srcfile $srcfile2] {nodebug}] } {
|
|
|
8c62a9 |
+ return -1
|
|
|
8c62a9 |
+}
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+# We are trying to verify that the partial symtab to symtab expansion
|
|
|
8c62a9 |
+# for the debugging info hand-coded in our assembly file does not cause
|
|
|
8c62a9 |
+# the debugger to crash (infinite recursion). To facilitate the test,
|
|
|
8c62a9 |
+# start the debugger with -readnow. This force expansion as soon as
|
|
|
8c62a9 |
+# the objfile is loaded.
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+set saved_gdbflags $GDBFLAGS
|
|
|
8c62a9 |
+set GDBFLAGS "$GDBFLAGS -readnow"
|
|
|
8c62a9 |
+clean_restart ${testfile}
|
|
|
8c62a9 |
+set GDBFLAGS $saved_gdbflags
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+# And just to be sure that the debugger did not crash after having
|
|
|
8c62a9 |
+# expanded our symbols, do a life-check.
|
|
|
8c62a9 |
+
|
|
|
8c62a9 |
+gdb_test "echo life check\\n" "life check"
|