dfe7fd4669
- Fix displaying of numeric char arrays as strings (BZ 224128). - Simplified patches by merging upstream accepted ones into a single file. - Resolves: rhbz#224128
336 lines
14 KiB
Diff
336 lines
14 KiB
Diff
2006-12-28 Daniel Jacobowitz <dan@codesourcery.com>
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* ia64-tdep.c (get_kernel_table): Correct signedness in check
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for a negative return value.
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--- ./gdb/ia64-tdep.c 12 Jul 2006 18:13:45 -0000 1.140
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+++ ./gdb/ia64-tdep.c 28 Dec 2006 23:48:51 -0000 1.141
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@@ -2486,13 +2486,14 @@ get_kernel_table (unw_word_t ip, unw_dyn
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if (!ktab)
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{
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gdb_byte *ktab_buf;
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- size_t size;
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+ LONGEST size;
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- ktab_size = getunwind_table (&ktab_buf);
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- if (ktab_size <= 0)
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+ size = getunwind_table (&ktab_buf);
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+ if (size <= 0)
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return -UNW_ENOINFO;
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- else
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- ktab = (struct ia64_table_entry *) ktab_buf;
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+
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+ ktab = (struct ia64_table_entry *) ktab_buf;
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+ ktab_size = size;
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for (etab = ktab; etab->start_offset; ++etab)
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etab->info_offset += KERNEL_START;
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2007-01-11 Daniel Jacobowitz <dan@codesourcery.com>
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* frame.c (get_prev_frame_1): Check PC_REGNUM before using it.
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--- ./gdb/frame.c 9 Jan 2007 20:19:15 -0000 1.218
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+++ ./gdb/frame.c 11 Jan 2007 17:18:22 -0000 1.219
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@@ -1221,10 +1221,17 @@ get_prev_frame_1 (struct frame_info *thi
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have different frame IDs, the new frame will be bogus; two
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functions can't share a register save slot for the PC. This can
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happen when the prologue analyzer finds a stack adjustment, but
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- no PC save. This check does assume that the "PC register" is
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- roughly a traditional PC, even if the gdbarch_unwind_pc method
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- frobs it. */
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+ no PC save.
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+
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+ This check does assume that the "PC register" is roughly a
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+ traditional PC, even if the gdbarch_unwind_pc method adjusts
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+ it (we do not rely on the value, only on the unwound PC being
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+ dependent on this value). A potential improvement would be
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+ to have the frame prev_pc method and the gdbarch unwind_pc
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+ method set the same lval and location information as
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+ frame_register_unwind. */
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if (this_frame->level > 0
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+ && PC_REGNUM >= 0
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&& get_frame_type (this_frame) == NORMAL_FRAME
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&& get_frame_type (this_frame->next) == NORMAL_FRAME)
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{
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2007-01-20 Daniel Jacobowitz <dan@codesourcery.com>
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* arch-utils.c (show_endian): Correct reversed condition.
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--- ./gdb/arch-utils.c 13 Jan 2007 23:24:43 -0000 1.138
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+++ ./gdb/arch-utils.c 20 Jan 2007 18:16:33 -0000
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@@ -322,7 +322,7 @@ static void
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show_endian (struct ui_file *file, int from_tty, struct cmd_list_element *c,
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const char *value)
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{
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- if (target_byte_order_user != BFD_ENDIAN_UNKNOWN)
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+ if (target_byte_order_user == BFD_ENDIAN_UNKNOWN)
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if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
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fprintf_unfiltered (file, _("The target endianness is set automatically "
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"(currently big endian)\n"));
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https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=224128
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2007-01-26 Jan Kratochvil <jan.kratochvil@redhat.com>
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* c-valprint.c (c_val_print): Require strings to be of no-signed CHARs.
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* NEWS: Describe CHAR array vs. string identifcation rules.
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2007-01-26 Jan Kratochvil <jan.kratochvil@redhat.com>
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Eli Zaretskii <eliz@gnu.org>
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* gdb.texinfo: Describe CHAR array vs. string identifcation rules.
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2007-01-25 Jan Kratochvil <jan.kratochvil@redhat.com>
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* gdb.base/charsign.exp, gdb.base/charsign.c: New files.
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* gdb.arch/i386-sse.exp: Check $xmm.v16_int8 printing as a number array.
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* gdb.base/printcmds.exp: Sign-provided CHARs now became arrays.
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* gdb.base/setvar.exp: Likewise.
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--- ./gdb/NEWS 21 Jan 2007 17:48:53 -0000 1.211
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+++ ./gdb/NEWS 26 Jan 2007 10:31:48 -0000
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@@ -15,6 +15,9 @@ frequency signals (e.g. SIGALRM) via the
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target's overall architecture. GDB can read a description from
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a local file or over the remote serial protocol.
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+* Arrays of explicitly SIGNED or UNSIGNED CHARs are now printed as arrays
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+ of numbers.
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+
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* New commands
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set mem inaccessible-by-default
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--- ./gdb/c-valprint.c 9 Jan 2007 17:58:50 -0000 1.41
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+++ ./gdb/c-valprint.c 26 Jan 2007 10:31:48 -0000
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@@ -96,7 +96,7 @@ c_val_print (struct type *type, const gd
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}
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/* For an array of chars, print with string syntax. */
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if (eltlen == 1 &&
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- ((TYPE_CODE (elttype) == TYPE_CODE_INT)
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+ ((TYPE_CODE (elttype) == TYPE_CODE_INT && TYPE_NOSIGN (elttype))
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|| ((current_language->la_language == language_m2)
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&& (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
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&& (format == 0 || format == 's'))
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--- ./gdb/doc/gdb.texinfo 26 Jan 2007 08:54:01 -0000 1.380
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+++ ./gdb/doc/gdb.texinfo 26 Jan 2007 10:32:00 -0000
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@@ -5632,6 +5632,26 @@ If you ask to print an object whose cont
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by the debug information, @value{GDBN} will say @samp{<incomplete
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type>}. @xref{Symbols, incomplete type}, for more about this.
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+Strings are identified as arrays of @code{char} values without specified
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+signedness. Arrays of either @code{signed char} or @code{unsigned char} get
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+printed as arrays of 1 byte sized integers. @code{-fsigned-char} or
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+@code{-funsigned-char} @value{NGCC} options have no effect as @value{GDBN}
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+defines literal string type @code{"char"} as @code{char} without a sign.
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+For program code
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+
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+@smallexample
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+char var0[] = "A";
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+signed char var1[] = "A";
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+@end smallexample
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+
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+You get during debugging
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+@smallexample
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+(gdb) print var0
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+$1 = "A"
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+(gdb) print var1
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+$2 = @{65 'A', 0 '\0'@}
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+@end smallexample
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+
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@node Arrays
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@section Artificial arrays
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--- ./gdb/testsuite/gdb.arch/i386-sse.exp 9 Jan 2007 17:59:09 -0000 1.5
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+++ ./gdb/testsuite/gdb.arch/i386-sse.exp 26 Jan 2007 10:32:00 -0000
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@@ -83,7 +83,10 @@ gdb_continue_to_breakpoint "continue to
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foreach r {0 1 2 3 4 5 6 7} {
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gdb_test "print \$xmm$r.v4_float" \
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".. = \\{$r, $r.25, $r.5, $r.75\\}.*" \
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- "check contents of %xmm$r"
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+ "check float contents of %xmm$r"
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+ gdb_test "print \$xmm$r.v16_int8" \
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+ ".. = \\{(-?\[0-9\]+ '.*', ){15}-?\[0-9\]+ '.*'\\}.*" \
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+ "check int8 contents of %xmm$r"
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}
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foreach r {0 1 2 3 4 5 6 7} {
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--- /dev/null 1 Jan 1970 00:00:00 -0000
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+++ ./gdb/testsuite/gdb.base/charsign.c 26 Jan 2007 10:32:00 -0000
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@@ -0,0 +1,37 @@
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+/* This testcase is part of GDB, the GNU debugger.
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+
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+ Copyright 2007 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 2 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, write to the Free Software
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+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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+
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+ Please email any bugs, comments, and/or additions to this file to:
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+ bug-gdb@prep.ai.mit.edu */
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+
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+int main()
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+{
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+ return 0;
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+}
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+
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+char n[]="A";
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+signed char s[]="A";
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+unsigned char u[]="A";
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+
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+typedef char char_n;
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+typedef signed char char_s;
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+typedef unsigned char char_u;
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+
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+char_n n_typed[]="A";
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+char_s s_typed[]="A";
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+char_u u_typed[]="A";
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--- /dev/null 1 Jan 1970 00:00:00 -0000
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+++ ./gdb/testsuite/gdb.base/charsign.exp 26 Jan 2007 10:32:00 -0000
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@@ -0,0 +1,70 @@
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+# Copyright 2007 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 2 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, write to the Free Software
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+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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+
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+if $tracelevel then {
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+ strace $tracelevel
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+}
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+
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+set prms_id 0
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+set bug_id 0
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+
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+set testfile charsign
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+set srcfile ${testfile}.c
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+set binfile ${objdir}/${subdir}/${testfile}
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+
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+proc do_test { cflags } {
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+ global srcdir
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+ global binfile
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+ global subdir
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+ global srcfile
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+ global gdb_prompt
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+
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+ if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug additional_flags=$cflags]] != "" } {
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+ untested "Couldn't compile test program"
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+ return -1
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+ }
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+
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+ # Get things started.
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+
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+ gdb_exit
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+ gdb_start
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+ gdb_reinitialize_dir $srcdir/$subdir
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+ gdb_load ${binfile}
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+
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+ # For C programs, "start" should stop in main().
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+
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+ gdb_test "p n" \
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+ "= \"A\""
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+ gdb_test "p s" \
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+ "= \\{65 'A', 0 '\\\\0'\\}"
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+ gdb_test "p u" \
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+ "= \\{65 'A', 0 '\\\\0'\\}"
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+ gdb_test "p n_typed" \
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+ "= \"A\""
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+ gdb_test "p s_typed" \
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+ "= \\{65 'A', 0 '\\\\0'\\}"
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+ gdb_test "p u_typed" \
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+ "= \\{65 'A', 0 '\\\\0'\\}"
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+}
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+
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+# The string identification works despite the compiler flags below due to
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+# gdbtypes.c:
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+# if (name && strcmp (name, "char") == 0)
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+# TYPE_FLAGS (type) |= TYPE_FLAG_NOSIGN;
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+
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+do_test {}
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+do_test {-fsigned-char}
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+do_test {-funsigned-char}
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--- ./gdb/testsuite/gdb.base/printcmds.exp 9 Jan 2007 17:59:11 -0000 1.14
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+++ ./gdb/testsuite/gdb.base/printcmds.exp 26 Jan 2007 10:32:01 -0000
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@@ -590,18 +590,18 @@ proc test_print_char_arrays {} {
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gdb_test "set print address on" ""
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gdb_test "p arrays" \
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- " = {array1 = \"abc\", array2 = \"d\", array3 = \"e\", array4 = \"fg\", array5 = \"hij\"}"
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+ " = \\{array1 = \\{97 'a', 98 'b', 99 'c', 0 '\\\\0'\\}, array2 = \\{100 'd'\\}, array3 = \\{101 'e'\\}, array4 = \\{102 'f', 103 'g'\\}, array5 = \\{104 'h', 105 'i', 106 'j', 0 '\\\\0'\\}\\}"
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gdb_test "p parrays" " = \\(struct some_arrays \\*\\) $hex"
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- gdb_test "p parrays->array1" " = \"abc\""
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+ gdb_test "p parrays->array1" " = \\{97 'a', 98 'b', 99 'c', 0 '\\\\0'\\}"
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gdb_test "p &parrays->array1" " = \\(unsigned char \\(\\*\\)\\\[4\\\]\\) $hex"
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- gdb_test "p parrays->array2" " = \"d\""
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+ gdb_test "p parrays->array2" " = \\{100 'd'\\}"
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gdb_test "p &parrays->array2" " = \\(unsigned char \\(\\*\\)\\\[1\\\]\\) $hex"
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- gdb_test "p parrays->array3" " = \"e\""
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+ gdb_test "p parrays->array3" " = \\{101 'e'\\}"
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gdb_test "p &parrays->array3" " = \\(unsigned char \\(\\*\\)\\\[1\\\]\\) $hex"
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- gdb_test "p parrays->array4" " = \"fg\""
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+ gdb_test "p parrays->array4" " = \\{102 'f', 103 'g'\\}"
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gdb_test "p &parrays->array4" " = \\(unsigned char \\(\\*\\)\\\[2\\\]\\) $hex"
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- gdb_test "p parrays->array5" " = \"hij\""
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+ gdb_test "p parrays->array5" " = \\{104 'h', 105 'i', 106 'j', 0 '\\\\0'\\}"
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gdb_test "p &parrays->array5" " = \\(unsigned char \\(\\*\\)\\\[4\\\]\\) $hex"
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gdb_test "set print address off" ""
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--- ./gdb/testsuite/gdb.base/setvar.exp 9 Jan 2007 17:59:11 -0000 1.10
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+++ ./gdb/testsuite/gdb.base/setvar.exp 26 Jan 2007 10:32:01 -0000
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@@ -233,11 +233,11 @@ test_set "set variable v_char_array\[0\]
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#
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# test "set variable" for "signed char array[2]"
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#
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-test_set "set variable v_signed_char_array\[0\]='h'" "set variable v_signed_char_array\[1\]='i'" "print v_signed_char_array" ".*.\[0-9\]* =.*\"hi\"" "set variable signed char array=\"hi\" (string)"
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+test_set "set variable v_signed_char_array\[0\]='h'" "set variable v_signed_char_array\[1\]='i'" "print v_signed_char_array" ".*.\[0-9\]* =.*\\{104 'h', 105 'i'\\}" "set variable signed char array=\"hi\" (string)"
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#
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# test "set variable" for "unsigned char array[2]"
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#
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-test_set "set variable v_unsigned_char_array\[0\]='h'" "set variable v_unsigned_char_array\[1\]='i'" "print v_unsigned_char_array" ".*.\[0-9\]* =.*\"hi\"" "set variable unsigned char array=\"hi\" (string)"
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+test_set "set variable v_unsigned_char_array\[0\]='h'" "set variable v_unsigned_char_array\[1\]='i'" "print v_unsigned_char_array" ".*.\[0-9\]* =.*\\{104 'h', 105 'i'\\}" "set variable unsigned char array=\"hi\" (string)"
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#
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# test "set variable" for "short array[2]"
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#
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@@ -289,11 +289,11 @@ test_set "set v_char_pointer=v_char_arra
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#
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# test "set variable" for type "signed char *"
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#
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-test_set "set v_signed_char_pointer=v_signed_char_array" "set variable *(v_signed_char_pointer)='h'" "set variable *(v_signed_char_pointer+1)='i'" "print v_signed_char_array" ".*.\[0-9\]* =.*\"hi\"" "print *(v_signed_char_pointer+1)" ".*.\[0-9\]* = 105 \'i\'" "set variable signed char pointer=\"hi\" (string)"
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+test_set "set v_signed_char_pointer=v_signed_char_array" "set variable *(v_signed_char_pointer)='h'" "set variable *(v_signed_char_pointer+1)='i'" "print v_signed_char_array" ".*.\[0-9\]* =.*\\{104 'h', 105 'i'\\}" "print *(v_signed_char_pointer+1)" ".*.\[0-9\]* = 105 \'i\'" "set variable signed char pointer=\"hi\" (string)"
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#
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# test "set variable" for type "unsigned char *"
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#
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-test_set "set v_unsigned_char_pointer=v_unsigned_char_array" "set variable *(v_unsigned_char_pointer)='h'" "set variable *(v_unsigned_char_pointer+1)='i'" "print v_unsigned_char_array" ".*.\[0-9\]* =.*\"hi\"" "print *(v_unsigned_char_pointer+1)" ".*.\[0-9\]* = 105 \'i\'" "set variable unsigned char pointer=\"hi\" (string)"
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+test_set "set v_unsigned_char_pointer=v_unsigned_char_array" "set variable *(v_unsigned_char_pointer)='h'" "set variable *(v_unsigned_char_pointer+1)='i'" "print v_unsigned_char_array" ".*.\[0-9\]* =.*\\{104 'h', 105 'i'\\}" "print *(v_unsigned_char_pointer+1)" ".*.\[0-9\]* = 105 \'i\'" "set variable unsigned char pointer=\"hi\" (string)"
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#
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# test "set variable" for type "short *"
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#
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