1 # Copyright 2003, 2004 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 2 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 # Please email any bugs, comments, and/or additions to this file to:
20 # This file is part of the gdb testsuite.
26 # Test i386 prologue analyzer.
31 if ![istarget "i?86-*-*"] then {
32 verbose "Skipping i386 prologue tests."
36 set testfile "i386-prologue"
37 set srcfile ${testfile}.c
38 set binfile ${objdir}/${subdir}/${testfile}
40 # some targets have leading underscores on assembly symbols.
41 # TODO: detect this automatically
42 set additional_flags ""
43 if [istarget "i?86-*-cygwin*"] then {
44 set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\""
47 # Don't use "debug", so that we don't have line information for the assembly
49 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list $additional_flags]] != "" } {
50 gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
54 # The code used by the tests here encodes some breakpoints by using
55 # inline assembler. This will generate a SIGTRAP which will be caught
56 # by GDB. At that point the instruction pointer will point at the
57 # next instruction, and execution can continue without any problems.
58 # Some systems however (QNX Neutrino, Solaris) will adjust the
59 # instruction pointer to point at the breakpoint instruction instead.
60 # On these systems we cannot continue unless we skip it. This
61 # procedure takes care of that.
63 proc skip_breakpoint { msg } {
64 gdb_test "if (*(unsigned char *)\$pc == 0xcc)\nset \$pc = \$pc + 1\nend" \
65 "" "skip breakpoint in ${msg}"
71 gdb_reinitialize_dir $srcdir/$subdir
75 # Run to `main' where we begin our tests.
78 if ![runto_main] then {
82 # Testcase for standard prologue.
84 gdb_test "continue" "Program received signal SIGTRAP.*" "continue to standard"
86 skip_breakpoint standard
88 gdb_test "backtrace 10" \
89 "#0\[ \t\]*$hex in standard.*\r\n#1\[ \t\]*$hex in main.*" \
90 "backtrace in standard"
92 gdb_test "info frame" \
93 ".*Saved registers:.*ebp at.*edi at.*eip at.*" \
94 "saved registers in standard"
96 # Testcase from symtab/1253.
98 gdb_test "continue" "Program received signal SIGTRAP.*" "continue to gdb1253"
100 skip_breakpoint gdb1253
102 gdb_test "backtrace 10" \
103 "#0\[ \t\]*$hex in gdb1253.*\r\n#1\[ \t\]*$hex in main.*" \
104 "backtrace in gdb1253"
106 gdb_test "info frame" \
107 ".*Saved registers:.*ebp at.*edi at.*eip at.*" \
108 "saved registers in gdb1253"
110 # Testcase from backtrace/1718.
112 gdb_test "continue" "Program received signal SIGTRAP.*" "continue to gdb1718"
114 skip_breakpoint gdb1718
116 gdb_test "backtrace 10" \
117 "#0\[ \t\]*$hex in gdb1718.*\r\n#1\[ \t\]*$hex in main.*" \
118 "backtrace in gdb1718"
120 setup_kfail *-*-* gdb/1718
121 gdb_test "info frame" \
122 ".*Saved registers:.*esi at.*ebx at.*eip at.*" \
123 "saved registers in gdb1718"
125 # Testcase from backtrace/1338.
127 gdb_test "continue" "Program received signal SIGTRAP.*" "continue to gdb1338"
129 skip_breakpoint gdb1338
131 gdb_test "backtrace 10" \
132 "#0\[ \t\]*$hex in gdb1338.*\r\n#1\[ \t\]*$hex in main.*" \
133 "backtrace in gdb1338"
135 gdb_test "info frame" \
136 ".*Saved registers:.*ebx at.*esi at.*edi at.*eip at.*" \
137 "saved registers in gdb1338"
139 # Testcase jump_at_beginning.
140 gdb_test_multiple "break jump_at_beginning" \
141 "set breakpoint in jump_at_beginning" {
142 -re "Breakpoint \[0-9\]* at ($hex).*$gdb_prompt $" {
143 gdb_test "x/i $expect_out(1,string)" \
144 ".*<jump_at_beginning.*>:.*jmp.*" \
145 "check jump_at_beginning prologue end"
148 fail "set breakpoint in jump_at_beginning"