-# Copyright 2003 Free Software Foundation, Inc.
+# Copyright (C) 2003, 2004, 2006, 2007, 2008 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 2 of the License, or
+# 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,
# 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@gnu.org
set testfile "i386-prologue"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
-if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
- gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+
+# some targets have leading underscores on assembly symbols.
+# TODO: detect this automatically
+set additional_flags ""
+if [istarget "i?86-*-cygwin*"] then {
+ set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\""
+}
+
+# Don't use "debug", so that we don't have line information for the assembly
+# fragments.
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list $additional_flags]] != "" } {
+ untested i386-prologue.exp
+ return -1
+}
+
+
+# The code used by the tests here encodes some breakpoints by using
+# inline assembler. This will generate a SIGTRAP which will be caught
+# by GDB. At that point the instruction pointer will point at the
+# next instruction, and execution can continue without any problems.
+# Some systems however (QNX Neutrino, Solaris) will adjust the
+# instruction pointer to point at the breakpoint instruction instead.
+# On these systems we cannot continue unless we skip it. This
+# procedure takes care of that.
+
+proc skip_breakpoint { msg } {
+ gdb_test "if (*(unsigned char *)\$pc == 0xcc)\nset \$pc = \$pc + 1\nend" \
+ "" "skip breakpoint in ${msg}"
}
+
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_suppress_tests
}
+# Testcase for standard prologue.
+
+gdb_test "continue" "Program received signal SIGTRAP.*" "continue to standard"
+
+skip_breakpoint standard
+
+gdb_test "backtrace 10" \
+ "#0\[ \t\]*$hex in standard.*\r\n#1\[ \t\]*$hex in main.*" \
+ "backtrace in standard"
+
+gdb_test "info frame" \
+ ".*Saved registers:.*ebp at.*edi at.*eip at.*" \
+ "saved registers in standard"
+
+
+# Testcase from breakpoints/2080 (when %ecx is used)
+
+gdb_test "break *(stack_align_ecx + 7)" \
+ "Breakpoint \[0-9\]* at $hex"
+
+gdb_test "continue" \
+ "Breakpoint \[0-9\]*.*stack_align_ecx.*" \
+ "continue to stack_align_ecx + 7"
+
+gdb_test "backtrace 10" \
+ "#0\[ \t\]*$hex in stack_align_ecx.*\r\n#1\[ \t\]*$hex in main.*" \
+ "first backtrace in stack_align_ecx"
+
+gdb_test "continue" \
+ "Program received signal SIGTRAP.*" \
+ "continue in stack_align_ecx"
+
+skip_breakpoint stack_align_ecx
+
+gdb_test "backtrace 10" \
+ "#0\[ \t\]*$hex in stack_align_ecx.*\r\n#1\[ \t\]*$hex in main.*" \
+ "second backtrace in stack_align_ecx"
+
+gdb_test "info frame" \
+ ".*Saved registers:.*ecx at.*ebp at.*edi at.*eip at.*" \
+ "saved registers in stack_align_ecx"
+
+
+# Testcase from breakpoints/2080 (when %edx is used)
+
+gdb_test "break *(stack_align_edx + 7)" \
+ "Breakpoint \[0-9\]* at $hex"
+
+gdb_test "continue" \
+ "Breakpoint \[0-9\]*.*stack_align_edx.*" \
+ "continue to stack_align_edx + 7"
+
+gdb_test "backtrace 10" \
+ "#0\[ \t\]*$hex in stack_align_edx.*\r\n#1\[ \t\]*$hex in main.*" \
+ "first backtrace in stack_align_edx"
+
+gdb_test "continue" \
+ "Program received signal SIGTRAP.*" \
+ "continue in stack_align_edx"
+
+skip_breakpoint stack_align_edx
+
+gdb_test "backtrace 10" \
+ "#0\[ \t\]*$hex in stack_align_edx.*\r\n#1\[ \t\]*$hex in main.*" \
+ "second backtrace in stack_align_edx"
+
+gdb_test "info frame" \
+ ".*Saved registers:.*ecx at.*ebp at.*edi at.*eip at.*" \
+ "saved registers in stack_align_edx"
+
+
+# Testcase from breakpoints/2080 (when %eax is used)
+
+gdb_test "break *(stack_align_eax + 7)" \
+ "Breakpoint \[0-9\]* at $hex"
+
+gdb_test "continue" \
+ "Breakpoint \[0-9\]*.*stack_align_eax.*" \
+ "continue to stack_align_eax + 7"
+
+gdb_test "backtrace 10" \
+ "#0\[ \t\]*$hex in stack_align_eax.*\r\n#1\[ \t\]*$hex in main.*" \
+ "first backtrace in stack_align_eax"
+
+gdb_test "continue" \
+ "Program received signal SIGTRAP.*" \
+ "continue in stack_align_eax"
+
+skip_breakpoint stack_align_eax
+
+gdb_test "backtrace 10" \
+ "#0\[ \t\]*$hex in stack_align_eax.*\r\n#1\[ \t\]*$hex in main.*" \
+ "second backtrace in stack_align_eax"
+
+gdb_test "info frame" \
+ ".*Saved registers:.*ecx at.*ebp at.*edi at.*eip at.*" \
+ "saved registers in stack_align_eax"
+
+
# Testcase from symtab/1253.
gdb_test "continue" "Program received signal SIGTRAP.*" "continue to gdb1253"
+skip_breakpoint gdb1253
+
gdb_test "backtrace 10" \
"#0\[ \t\]*$hex in gdb1253.*\r\n#1\[ \t\]*$hex in main.*" \
"backtrace in gdb1253"
+gdb_test "info frame" \
+ ".*Saved registers:.*ebp at.*edi at.*eip at.*" \
+ "saved registers in gdb1253"
+
+
+# Testcase from backtrace/1718.
+
+gdb_test "continue" "Program received signal SIGTRAP.*" "continue to gdb1718"
+
+skip_breakpoint gdb1718
+
+gdb_test "backtrace 10" \
+ "#0\[ \t\]*$hex in gdb1718.*\r\n#1\[ \t\]*$hex in main.*" \
+ "backtrace in gdb1718"
+
+setup_kfail *-*-* gdb/1718
+gdb_test "info frame" \
+ ".*Saved registers:.*esi at.*ebx at.*eip at.*" \
+ "saved registers in gdb1718"
+
+
# Testcase from backtrace/1338.
gdb_test "continue" "Program received signal SIGTRAP.*" "continue to gdb1338"
+skip_breakpoint gdb1338
+
gdb_test "backtrace 10" \
"#0\[ \t\]*$hex in gdb1338.*\r\n#1\[ \t\]*$hex in main.*" \
"backtrace in gdb1338"
+
+gdb_test "info frame" \
+ ".*Saved registers:.*ebx at.*esi at.*edi at.*eip at.*" \
+ "saved registers in gdb1338"
+
+# Testcase jump_at_beginning.
+gdb_test_multiple "break jump_at_beginning" \
+ "set breakpoint in jump_at_beginning" {
+ -re "Breakpoint \[0-9\]* at ($hex).*$gdb_prompt $" {
+ gdb_test "x/i $expect_out(1,string)" \
+ ".*<jump_at_beginning.*>:.*jmp.*" \
+ "check jump_at_beginning prologue end"
+ }
+ default {
+ fail "set breakpoint in jump_at_beginning"
+ }
+}
projects / deliverable / binutils-gdb.git / blobdiff