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* cli/cli-script.c (insert_args): Handle NULL user_args.
gdb/testsuite/
	* gdb.base/commands.exp (stray_arg0_test): New test.
This commit is contained in:
Daniel Jacobowitz
2006-03-30 16:51:20 +00:00
parent f7060f859d
commit 61d9b92fc1
4 changed files with 35 additions and 1 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
2006-03-30 Daniel Jacobowitz <dan@codesourcery.com>
* cli/cli-script.c (insert_args): Handle NULL user_args.
2006-03-30 Daniel Jacobowitz <dan@codesourcery.com> 2006-03-30 Daniel Jacobowitz <dan@codesourcery.com>
* arm-tdep.c (thumb_scan_prologue): Don't try to analyze * arm-tdep.c (thumb_scan_prologue): Don't try to analyze

5
gdb/cli/cli-script.c
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@ -593,6 +593,11 @@ insert_args (char *line)
char *p, *save_line, *new_line; char *p, *save_line, *new_line;
unsigned len, i; unsigned len, i;
/* If we are not in a user-defined function, treat $argc, $arg0, et
cetera as normal convenience variables. */
if (user_args == NULL)
return xstrdup (line);
/* First we need to know how much memory to allocate for the new line. */ /* First we need to know how much memory to allocate for the new line. */
save_line = line; save_line = line;
len = 0; len = 0;

4
gdb/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2006-03-30 Daniel Jacobowitz <dan@codesourcery.com>
* gdb.base/commands.exp (stray_arg0_test): New test.
2006-03-30 Paul Brook <paul@codesourcery.com> 2006-03-30 Paul Brook <paul@codesourcery.com>
* gdb.mi/mi-until.exp: kfail broken until command. * gdb.mi/mi-until.exp: kfail broken until command.

23
gdb/testsuite/gdb.base/commands.exp
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@ -1,5 +1,5 @@
# Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1997, 1998, 1999, 2000, # Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1997, 1998, 1999, 2000,
# 2001, 2002, 2003 Free Software Foundation, Inc. # 2001, 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify # 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 # it under the terms of the GNU General Public License as published by
@ -563,6 +563,26 @@ proc temporary_breakpoint_commands {} {
timeout { fail "(timeout) run factorial until temporary breakpoint" } timeout { fail "(timeout) run factorial until temporary breakpoint" }
} }
} }
# Test that GDB can handle $arg0 outside of user functions without
# crashing.
proc stray_arg0_test { } {
gdb_test "print \$arg0" \
"\\\$\[0-9\]* = void" \
"stray_arg0_test #1"
gdb_test "if 1 == 1\nprint \$arg0\nend" \
"\\\$\[0-9\]* = void" \
"stray_arg0_test #2"
gdb_test "print \$arg0 = 1" \
"\\\$\[0-9\]* = 1" \
"stray_arg0_test #3"
gdb_test "print \$arg0" \
"\\\$\[0-9\]* = 1" \
"stray_arg0_test #4"
}
gdbvar_simple_if_test gdbvar_simple_if_test
gdbvar_simple_while_test gdbvar_simple_while_test
@ -579,3 +599,4 @@ test_command_prompt_position
deprecated_command_test deprecated_command_test
bp_deleted_in_command_test bp_deleted_in_command_test
temporary_breakpoint_commands temporary_breakpoint_commands
stray_arg0_test