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| author | Mark Kettenis <kettenis@gnu.org> | 2004-08-20 22:15:03 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@gnu.org> | 2004-08-20 22:15:03 +0000 |
| commit | cf38c229a1328a7e827f379a5b0a1c4fc381ef0d (patch) | |
| tree | 7a9d6554505c56831c56e0a4e334b00063c10225 /gdb/testsuite/gdb.arch | |
| parent | f4b497566190d023f4383630f06026c605f83b74 (diff) | |
| download | gdb-cf38c229a1328a7e827f379a5b0a1c4fc381ef0d.zip gdb-cf38c229a1328a7e827f379a5b0a1c4fc381ef0d.tar.gz gdb-cf38c229a1328a7e827f379a5b0a1c4fc381ef0d.tar.bz2 | |
* gdb.arch/i386-prologue.exp (skip_breakpoint): New function. Use
it to skip the breakpoints encoded in the inline assembly.
Diffstat (limited to 'gdb/testsuite/gdb.arch')
| -rw-r--r-- | gdb/testsuite/gdb.arch/i386-prologue.exp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.arch/i386-prologue.exp b/gdb/testsuite/gdb.arch/i386-prologue.exp index 4ec9239..48aad1c 100644 --- a/gdb/testsuite/gdb.arch/i386-prologue.exp +++ b/gdb/testsuite/gdb.arch/i386-prologue.exp @@ -50,6 +50,22 @@ if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." } + +# 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 @@ -67,6 +83,8 @@ if ![runto_main] then { 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" @@ -79,6 +97,8 @@ gdb_test "info frame" \ 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" @@ -91,6 +111,8 @@ gdb_test "info frame" \ 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" @@ -104,6 +126,8 @@ gdb_test "info frame" \ 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" |