gdb/gdb-physname-pr12273.patch

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http://sourceware.org/ml/gdb-patches/2010-12/msg00264.html
Index: gdb-7.2/gdb/linespec.c
===================================================================
--- gdb-7.2.orig/gdb/linespec.c 2011-02-03 22:28:01.000000000 +0100
+++ gdb-7.2/gdb/linespec.c 2011-02-03 22:31:29.000000000 +0100
@@ -1042,6 +1042,10 @@ locate_first_half (char **argptr, int *i
error (_("malformed template specification in command"));
p = temp_end;
}
+
+ if (p[0] == '(')
+ p = find_method_overload_end (p);
+
/* Check for a colon and a plus or minus and a [ (which
indicates an Objective-C method) */
if (is_objc_method_format (p))
@@ -1248,8 +1252,10 @@ decode_compound (char **argptr, int funf
find_method.
2) AAA::inA isn't the name of a class. In that case, either the
- user made a typo or AAA::inA is the name of a namespace.
- Either way, we just look up AAA::inA::fun with lookup_symbol.
+ user made a typo, AAA::inA is the name of a namespace, or it is
+ the name of a minimal symbol.
+ We just look up AAA::inA::fun with lookup_symbol. If that fails,
+ try lookup_minimal_symbol.
Thus, our first task is to find everything before the last set of
double-colons and figure out if it's the name of a class. So we
@@ -1270,6 +1276,8 @@ decode_compound (char **argptr, int funf
while (1)
{
+ static char *break_characters = " \t\'(";
+
/* Move pointer up to next possible class/namespace token. */
p = p2 + 1; /* Restart with old value +1. */
@@ -1280,8 +1288,7 @@ decode_compound (char **argptr, int funf
/* PASS2: p2->"::fun", p->":fun" */
/* Move pointer ahead to next double-colon. */
- while (*p && (p[0] != ' ') && (p[0] != '\t') && (p[0] != '\'')
- && (*p != '('))
+ while (*p && strchr (break_characters, *p) == NULL)
{
if (current_language->la_language == language_cplus)
p += cp_validate_operator (p);
@@ -1305,9 +1312,12 @@ decode_compound (char **argptr, int funf
else if ((p[0] == ':') && (p[1] == ':'))
break; /* Found double-colon. */
else
- /* PASS2: We'll keep getting here, until p->"", at which point
- we exit this loop. */
- p++;
+ {
+ /* PASS2: We'll keep getting here, until P points to one of the
+ break characters, at which point we exit this loop. */
+ if (strchr (break_characters, *p) == NULL)
+ p++;
+ }
}
if (*p != ':')
@@ -1316,8 +1326,8 @@ decode_compound (char **argptr, int funf
unsuccessfully all the components of the
string, and p->""(PASS2) */
- /* We get here if p points to ' ', '\t', '\'', "::" or ""(i.e
- string ended). */
+ /* We get here if p points to one of the break characters or ""(i.e
+ string ended). */
/* Save restart for next time around. */
p2 = p;
/* Restore argptr as it was on entry to this function. */
@@ -1466,6 +1476,18 @@ decode_compound (char **argptr, int funf
/* We couldn't find a class, so we're in case 2 above. We check the
entire name as a symbol instead. */
+ if (current_language->la_language == language_cplus
+ || current_language->la_language == language_java)
+ {
+ char *paren = strchr (p, '(');
+ if (paren != NULL)
+ p = find_method_overload_end (paren);
+
+ /* Make sure we keep important kewords like "const" */
+ if (strncmp (p, " const", 6) == 0)
+ p += 6;
+ }
+
copy = (char *) alloca (p - saved_arg2 + 1);
memcpy (copy, saved_arg2, p - saved_arg2);
/* Note: if is_quoted should be true, we snuff out quote here
@@ -1478,9 +1500,18 @@ decode_compound (char **argptr, int funf
sym = lookup_symbol (copy, 0, VAR_DOMAIN, 0);
if (sym)
return symbol_found (funfirstline, canonical, copy, sym, NULL);
+ else
+ {
+ struct minimal_symbol *msym;
+
+ /* Couldn't find any interpretation as classes/namespaces. As a last
+ resort, try the minimal symbol tables. */
+ msym = lookup_minimal_symbol (copy, NULL, NULL);
+ if (msym != NULL)
+ return minsym_found (funfirstline, msym);
+ }
- /* Couldn't find any interpretation as classes/namespaces, so give
- up. The quotes are important if copy is empty. */
+ /* Couldn't find a minimal symbol, either, so give up. */
if (not_found_ptr)
*not_found_ptr = 1;
cplusplus_error (the_real_saved_arg,
Index: gdb-7.2/gdb/testsuite/gdb.cp/pr12273.cc
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.2/gdb/testsuite/gdb.cp/pr12273.cc 2011-02-03 22:31:01.000000000 +0100
@@ -0,0 +1,37 @@
+/* This test case is part of GDB, the GNU debugger.
+
+ Copyright 2010 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+template <typename T>
+class GDB
+{
+ public:
+ static int simple (void) { return 0; }
+ static int harder (T a) { return 1; }
+ template <typename X>
+ static X even_harder (T a) { return static_cast<X> (a); }
+ int operator == (GDB const& other)
+ { return 1; }
+};
+
+int main(int argc, char **argv)
+{
+ GDB<int> a, b;
+ if (a == b)
+ return GDB<char>::harder('a') + GDB<int>::harder(3)
+ + GDB<char>::even_harder<int> ('a');
+ return GDB<int>::simple ();
+}
Index: gdb-7.2/gdb/testsuite/gdb.cp/pr12273.exp
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.2/gdb/testsuite/gdb.cp/pr12273.exp 2011-02-03 22:31:01.000000000 +0100
@@ -0,0 +1,46 @@
+# Copyright 2010 Free Software Foundation, Inc.
+#
+# Contributed by Red Hat, originally written by Keith Seitz.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# This file is part of the gdb testsuite.
+
+if {[skip_cplus_tests]} { continue }
+
+set testfile "pr12273"
+# Do NOT compile with debug flag.
+prepare_for_testing pr12273 $testfile $testfile.cc {c++}
+
+gdb_test_no_output "set language c++"
+
+# A list of minimal symbol names to check.
+# Note that GDB<char>::even_harder<int>(char) is quoted and includes
+# the return type. This is necessary because this is the demangled name
+# of the minimal symbol.
+set min_syms [list \
+ "GDB<int>::operator ==" \
+ "GDB<int>::operator==(GDB<int> const&)" \
+ "GDB<char>::harder(char)" \
+ "GDB<int>::harder(int)" \
+ {"int GDB<char>::even_harder<int>(char)"} \
+ "GDB<int>::simple()"]
+
+foreach sym $min_syms {
+ if {[gdb_breakpoint $sym]} {
+ pass "setting breakpoint at $sym"
+ }
+}
+
+gdb_exit