From 5eefc2b7e01f71483663188a9554670e6c4ac5a3 Mon Sep 17 00:00:00 2001 From: Joel Brobecker Date: Sun, 31 Dec 2006 14:51:57 +0000 Subject: [PATCH] * 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. --- gdb/testsuite/ChangeLog | 10 +++ gdb/testsuite/gdb.arch/i386-prologue.c | 41 ++++++++++++- gdb/testsuite/gdb.arch/i386-prologue.exp | 78 ++++++++++++++++++++---- 3 files changed, 116 insertions(+), 13 deletions(-) diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 4003556f9a2..5973bba77ba 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,13 @@ +2006-12-31 Joel Brobecker + + * 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. + 2006-12-30 Pedro Alves * lib/gdb.exp: Don't pass -fpic to gcc on Cygwin, MinGW diff --git a/gdb/testsuite/gdb.arch/i386-prologue.c b/gdb/testsuite/gdb.arch/i386-prologue.c index 1ce8b68fd7c..9f05337888b 100644 --- a/gdb/testsuite/gdb.arch/i386-prologue.c +++ b/gdb/testsuite/gdb.arch/i386-prologue.c @@ -34,7 +34,9 @@ int main (void) { standard (); - stack_align (); + stack_align_ecx (); + stack_align_edx (); + stack_align_eax (); gdb1253 (); gdb1718 (); gdb1338 (); @@ -114,7 +116,7 @@ asm(".text\n" asm(".text\n" " .align 8\n" - SYMBOL (stack_align) ":\n" + SYMBOL (stack_align_ecx) ":\n" " leal 4(%esp), %ecx\n" " andl $-16, %esp\n" " pushl -4(%ecx)\n" @@ -128,3 +130,38 @@ asm(".text\n" " popl %ebp\n" " leal -4(%ecx), %esp\n" " ret\n"); + +asm(".text\n" + " .align 8\n" + SYMBOL (stack_align_edx) ":\n" + " leal 4(%esp), %edx\n" + " andl $-16, %esp\n" + " pushl -4(%edx)\n" + " pushl %ebp\n" + " movl %esp, %ebp\n" + " pushl %edi\n" + " pushl %ecx\n" + " int $0x03\n" + " popl %ecx\n" + " popl %edi\n" + " popl %ebp\n" + " leal -4(%edx), %esp\n" + " ret\n"); + +asm(".text\n" + " .align 8\n" + SYMBOL (stack_align_eax) ":\n" + " leal 4(%esp), %eax\n" + " andl $-16, %esp\n" + " pushl -4(%eax)\n" + " pushl %ebp\n" + " movl %esp, %ebp\n" + " pushl %edi\n" + " pushl %ecx\n" + " int $0x03\n" + " popl %ecx\n" + " popl %edi\n" + " popl %ebp\n" + " leal -4(%eax), %esp\n" + " ret\n"); + diff --git a/gdb/testsuite/gdb.arch/i386-prologue.exp b/gdb/testsuite/gdb.arch/i386-prologue.exp index a001a91b32b..acfaf33a949 100644 --- a/gdb/testsuite/gdb.arch/i386-prologue.exp +++ b/gdb/testsuite/gdb.arch/i386-prologue.exp @@ -95,32 +95,88 @@ gdb_test "info frame" \ "saved registers in standard" -# Testcase from breakpoints/2080. +# Testcase from breakpoints/2080 (when %ecx is used) -gdb_test "break *(stack_align + 7)" \ +gdb_test "break *(stack_align_ecx + 7)" \ "Breakpoint \[0-9\]* at $hex" gdb_test "continue" \ - "Breakpoint \[0-9\]*.*stack_align.*" \ - "continue to stack_align + 7" + "Breakpoint \[0-9\]*.*stack_align_ecx.*" \ + "continue to stack_align_ecx + 7" gdb_test "backtrace 10" \ - "#0\[ \t\]*$hex in stack_align.*\r\n#1\[ \t\]*$hex in main.*" \ - "first backtrace in stack_align" + "#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" + "continue in stack_align_ecx" -skip_breakpoint stack_align +skip_breakpoint stack_align_ecx gdb_test "backtrace 10" \ - "#0\[ \t\]*$hex in stack_align.*\r\n#1\[ \t\]*$hex in main.*" \ - "second backtrace in stack_align" + "#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" + "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. -- 2.30.2