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228 lines
6.2 KiB
Plaintext
228 lines
6.2 KiB
Plaintext
# Copyright (C) 2003-2018 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@gnu.org
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# This file is part of the gdb testsuite.
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# Test i386 prologue analyzer.
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if { ![is_x86_like_target] } then {
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verbose "Skipping i386 prologue tests."
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return
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}
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set testfile "i386-prologue"
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set srcfile ${testfile}.c
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set binfile [standard_output_file ${testfile}]
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# some targets have leading underscores on assembly symbols.
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set additional_flags [gdb_target_symbol_prefix_flags]
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# Don't use "debug", so that we don't have line information for the assembly
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# fragments.
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list $additional_flags]] != "" } {
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untested "failed to compile"
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return -1
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}
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# The code used by the tests here encodes some breakpoints by using
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# inline assembler. This will generate a SIGTRAP which will be caught
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# by GDB. At that point the instruction pointer will point at the
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# next instruction, and execution can continue without any problems.
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# Some systems however (QNX Neutrino, Solaris) will adjust the
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# instruction pointer to point at the breakpoint instruction instead.
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# On these systems we cannot continue unless we skip it. This
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# procedure takes care of that.
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proc skip_breakpoint { msg } {
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gdb_test "if (*(unsigned char *)\$pc == 0xcc)\nset \$pc = \$pc + 1\nend" \
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"" "skip breakpoint in ${msg}"
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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#
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# Run to `main' where we begin our tests.
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#
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if ![runto_main] then {
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gdb_suppress_tests
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}
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# Testcase for standard prologue.
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gdb_test "continue" "Program received signal SIGTRAP.*" "continue to standard"
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skip_breakpoint standard
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in standard.*\r\n#1\[ \t\]*$hex in main.*" \
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"backtrace in standard"
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gdb_test "info frame" \
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".*Saved registers:.*ebp at.*edi at.*eip at.*" \
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"saved registers in standard"
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# Testcase from breakpoints/2080 (when %ecx is used)
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gdb_test "break *(stack_align_ecx + 7)" \
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"Breakpoint \[0-9\]* at $hex"
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gdb_test "continue" \
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"Breakpoint \[0-9\]*.*stack_align_ecx.*" \
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"continue to stack_align_ecx + 7"
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in stack_align_ecx.*\r\n#1\[ \t\]*$hex in main.*" \
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"first backtrace in stack_align_ecx"
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gdb_test "continue" \
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"Program received signal SIGTRAP.*" \
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"continue in stack_align_ecx"
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skip_breakpoint stack_align_ecx
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in stack_align_ecx.*\r\n#1\[ \t\]*$hex in main.*" \
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"second backtrace in stack_align_ecx"
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gdb_test "info frame" \
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".*Saved registers:.*ecx at.*ebp at.*edi at.*eip at.*" \
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"saved registers in stack_align_ecx"
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# Testcase from breakpoints/2080 (when %edx is used)
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gdb_test "break *(stack_align_edx + 7)" \
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"Breakpoint \[0-9\]* at $hex"
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gdb_test "continue" \
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"Breakpoint \[0-9\]*.*stack_align_edx.*" \
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"continue to stack_align_edx + 7"
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in stack_align_edx.*\r\n#1\[ \t\]*$hex in main.*" \
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"first backtrace in stack_align_edx"
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gdb_test "continue" \
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"Program received signal SIGTRAP.*" \
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"continue in stack_align_edx"
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skip_breakpoint stack_align_edx
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in stack_align_edx.*\r\n#1\[ \t\]*$hex in main.*" \
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"second backtrace in stack_align_edx"
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gdb_test "info frame" \
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".*Saved registers:.*ecx at.*ebp at.*edi at.*eip at.*" \
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"saved registers in stack_align_edx"
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# Testcase from breakpoints/2080 (when %eax is used)
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gdb_test "break *(stack_align_eax + 7)" \
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"Breakpoint \[0-9\]* at $hex"
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gdb_test "continue" \
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"Breakpoint \[0-9\]*.*stack_align_eax.*" \
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"continue to stack_align_eax + 7"
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in stack_align_eax.*\r\n#1\[ \t\]*$hex in main.*" \
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"first backtrace in stack_align_eax"
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gdb_test "continue" \
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"Program received signal SIGTRAP.*" \
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"continue in stack_align_eax"
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skip_breakpoint stack_align_eax
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in stack_align_eax.*\r\n#1\[ \t\]*$hex in main.*" \
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"second backtrace in stack_align_eax"
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gdb_test "info frame" \
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".*Saved registers:.*ecx at.*ebp at.*edi at.*eip at.*" \
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"saved registers in stack_align_eax"
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# Testcase from symtab/1253.
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gdb_test "continue" "Program received signal SIGTRAP.*" "continue to gdb1253"
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skip_breakpoint gdb1253
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in gdb1253.*\r\n#1\[ \t\]*$hex in main.*" \
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"backtrace in gdb1253"
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gdb_test "info frame" \
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".*Saved registers:.*ebp at.*edi at.*eip at.*" \
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"saved registers in gdb1253"
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# Testcase from backtrace/1718.
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gdb_test "continue" "Program received signal SIGTRAP.*" "continue to gdb1718"
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skip_breakpoint gdb1718
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in gdb1718.*\r\n#1\[ \t\]*$hex in main.*" \
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"backtrace in gdb1718"
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setup_kfail gdb/1718 *-*-*
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gdb_test "info frame" \
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".*Saved registers:.*esi at.*ebx at.*eip at.*" \
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"saved registers in gdb1718"
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# Testcase from backtrace/1338.
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gdb_test "continue" "Program received signal SIGTRAP.*" "continue to gdb1338"
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skip_breakpoint gdb1338
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in gdb1338.*\r\n#1\[ \t\]*$hex in main.*" \
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"backtrace in gdb1338"
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gdb_test "info frame" \
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".*Saved registers:.*ebx at.*esi at.*edi at.*eip at.*" \
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"saved registers in gdb1338"
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# Testcase jump_at_beginning.
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gdb_test_multiple "break jump_at_beginning" \
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"set breakpoint in jump_at_beginning" {
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-re "Breakpoint \[0-9\]* at ($hex).*$gdb_prompt $" {
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gdb_test "x/i $expect_out(1,string)" \
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".*<jump_at_beginning.*>:.*jmp.*" \
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"check jump_at_beginning prologue end"
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}
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default {
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fail "set breakpoint in jump_at_beginning"
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}
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}
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