* gdb.arch/i386-prologue.c (stack_align_ecx): Renamed from stack_align.
(stack_align_edx): New function. (stack_align_eax): New function. (main): Add calls to stack_align_edx and stack_align_eax. * gdb.arch/i386-prologue.exp: Replace stack_align with stack_align_ecx. Add testing for the cases where the register used during a stack realignment is edx. Same for eax.
This commit is contained in:
parent
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commit
5eefc2b7e0
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@ -1,3 +1,13 @@
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2006-12-31 Joel Brobecker <brobecker@adacore.com>
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* gdb.arch/i386-prologue.c (stack_align_ecx): Renamed from stack_align.
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(stack_align_edx): New function.
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(stack_align_eax): New function.
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(main): Add calls to stack_align_edx and stack_align_eax.
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* gdb.arch/i386-prologue.exp: Replace stack_align with stack_align_ecx.
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Add testing for the cases where the register used during a stack
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realignment is edx. Same for eax.
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2006-12-30 Pedro Alves <pedro_alves@portugalmail.pt>
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* lib/gdb.exp: Don't pass -fpic to gcc on Cygwin, MinGW
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@ -34,7 +34,9 @@ int
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main (void)
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{
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standard ();
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stack_align ();
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stack_align_ecx ();
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stack_align_edx ();
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stack_align_eax ();
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gdb1253 ();
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gdb1718 ();
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gdb1338 ();
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@ -114,7 +116,7 @@ asm(".text\n"
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asm(".text\n"
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" .align 8\n"
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SYMBOL (stack_align) ":\n"
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SYMBOL (stack_align_ecx) ":\n"
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" leal 4(%esp), %ecx\n"
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" andl $-16, %esp\n"
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" pushl -4(%ecx)\n"
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@ -128,3 +130,38 @@ asm(".text\n"
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" popl %ebp\n"
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" leal -4(%ecx), %esp\n"
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" ret\n");
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asm(".text\n"
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" .align 8\n"
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SYMBOL (stack_align_edx) ":\n"
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" leal 4(%esp), %edx\n"
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" andl $-16, %esp\n"
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" pushl -4(%edx)\n"
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" pushl %ebp\n"
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" movl %esp, %ebp\n"
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" pushl %edi\n"
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" pushl %ecx\n"
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" int $0x03\n"
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" popl %ecx\n"
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" popl %edi\n"
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" popl %ebp\n"
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" leal -4(%edx), %esp\n"
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" ret\n");
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asm(".text\n"
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" .align 8\n"
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SYMBOL (stack_align_eax) ":\n"
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" leal 4(%esp), %eax\n"
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" andl $-16, %esp\n"
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" pushl -4(%eax)\n"
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" pushl %ebp\n"
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" movl %esp, %ebp\n"
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" pushl %edi\n"
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" pushl %ecx\n"
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" int $0x03\n"
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" popl %ecx\n"
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" popl %edi\n"
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" popl %ebp\n"
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" leal -4(%eax), %esp\n"
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" ret\n");
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@ -95,32 +95,88 @@ gdb_test "info frame" \
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"saved registers in standard"
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# Testcase from breakpoints/2080.
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# Testcase from breakpoints/2080 (when %ecx is used)
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gdb_test "break *(stack_align + 7)" \
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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.*" \
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"continue to stack_align + 7"
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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.*\r\n#1\[ \t\]*$hex in main.*" \
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"first backtrace in stack_align"
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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"
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"continue in stack_align_ecx"
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skip_breakpoint stack_align
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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.*\r\n#1\[ \t\]*$hex in main.*" \
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"second backtrace in stack_align"
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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"
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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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