| # Copyright (C) 2003-2021 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 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # 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, see <http://www.gnu.org/licenses/>. |
| |
| # Please email any bugs, comments, and/or additions to this file to: |
| # bug-gdb@gnu.org |
| |
| # This file is part of the gdb testsuite. |
| |
| # Test i386 prologue analyzer. |
| |
| |
| if { ![is_x86_like_target] } then { |
| verbose "Skipping i386 prologue tests." |
| return |
| } |
| |
| set testfile "i386-prologue" |
| set srcfile ${testfile}.c |
| set binfile [standard_output_file ${testfile}] |
| |
| # some targets have leading underscores on assembly symbols. |
| set additional_flags [gdb_target_symbol_prefix_flags] |
| |
| # Don't use "debug", so that we don't have line information for the assembly |
| # fragments. |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list $additional_flags]] != "" } { |
| untested "failed to compile" |
| 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_load ${binfile} |
| |
| # |
| # Run to `main' where we begin our tests. |
| # |
| |
| if ![runto_main] then { |
| return 0 |
| } |
| |
| # 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" |
| } |
| } |