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Rebase to FSF GDB 7.2.90.20110703 (which is a 7.3 pre-release).

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Adjust the `print errno' patch due to the DW_AT_linkage_name following again.
This commit is contained in:
Jan Kratochvil 2011-07-03 17:22:23 +02:00
commit e6e9cf3987
6 changed files with 1531 additions and 1256 deletions
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46
gdb-6.5-bz185337-resolve-tls-without-debuginfo-v2.patch
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@ -32,51 +32,17 @@ glibc-debuginfo-2.7-2.x86_64: /usr/lib/debug/lib64/libc.so.6.debug:
<81a2> DW_AT_name : (indirect string, offset: 0x280e): __errno_location
<81a8> DW_AT_MIPS_linkage_name: (indirect string, offset: 0x2808): *__GI___errno_location
Index: gdb-7.2/gdb/printcmd.c
===================================================================
--- gdb-7.2.orig/gdb/printcmd.c 2011-03-29 10:55:32.000000000 +0200
+++ gdb-7.2/gdb/printcmd.c 2011-03-29 10:56:00.000000000 +0200
@@ -947,10 +947,10 @@ validate_format (struct format_data fmt,
static void
print_command_1 (char *exp, int inspect, int voidprint)
{
- struct expression *expr;
struct cleanup *old_chain = 0;
char format = 0;
- struct value *val;
+ /* False GCC warning due to the TRY_CATCH. */
+ struct value *val = NULL;
struct format_data fmt;
int cleanup = 0;
@@ -971,10 +971,25 @@ print_command_1 (char *exp, int inspect,
--- a/gdb/printcmd.c
+++ b/gdb/printcmd.c
@@ -967,6 +967,8 @@ print_command_1 (char *exp, int inspect, int voidprint)
if (exp && *exp)
{
+ struct expression *expr;
+ volatile struct gdb_exception except;
+
+ if (strcmp (exp, "errno") == 0)
+ exp = "*((int *(*) (void)) __errno_location) ()";
expr = parse_expression (exp);
- old_chain = make_cleanup (free_current_contents, &expr);
+ old_chain = make_cleanup (xfree, expr);
old_chain = make_cleanup (free_current_contents, &expr);
cleanup = 1;
- val = evaluate_expression (expr);
+ TRY_CATCH (except, RETURN_MASK_ERROR)
+ {
+ val = evaluate_expression (expr);
+ }
+ if (except.reason < 0)
+ {
+ if (strcmp (exp, "errno") != 0)
+ throw_exception (except);
+
+ expr = parse_expression ("*((int *(*) (void)) __errno_location) ()");
+ make_cleanup (xfree, expr);
+ val = evaluate_expression (expr);
+ }
}
else
val = access_value_history (0);
Index: gdb-7.2/gdb/testsuite/gdb.dwarf2/dw2-errno.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000