diff options
| -rw-r--r-- | gdb/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.arch/powerpc-prologue.c | 53 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.arch/powerpc-prologue.exp | 61 |
3 files changed, 119 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 6eedcf6..efd1605 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2006-01-22 Daniel Jacobowitz <dan@codesourcery.com> + + * gdb.arch/powerpc-prologue.c, gdb.arch/powerpc-prologue.exp: New + files. + 2006-01-20 Daniel Jacobowitz <dan@codesourcery.com> * gdb.cp/maint.exp: Set complaints to a positive value. diff --git a/gdb/testsuite/gdb.arch/powerpc-prologue.c b/gdb/testsuite/gdb.arch/powerpc-prologue.c new file mode 100644 index 0000000..7fc84b2 --- /dev/null +++ b/gdb/testsuite/gdb.arch/powerpc-prologue.c @@ -0,0 +1,53 @@ +/* Unwinder test program. + + Copyright 2006 Free Software Foundation, Inc. + + This file is part of GDB. + + 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 2 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifdef SYMBOL_PREFIX +#define SYMBOL(str) SYMBOL_PREFIX #str +#else +#define SYMBOL(str) #str +#endif + +void gdb2029 (void); + +int +main (void) +{ + gdb2029 (); + return 0; +} + +/* A typical PIC prologue from GCC. */ + +asm(".text\n" + " .align 8\n" + SYMBOL (gdb2029) ":\n" + " stw %r1, -32(%r1)\n" + " mflr %r0\n" + " bcl- 20,31,.+4\n" + " stw %r30, 24(%r1)\n" + " mflr %r30\n" + " stw %r0, 36(%r1)\n" + " twge %r2, %r2\n" + " lwz %r0, 36(%r1)\n" + " lwz %r30, 24(%r1)\n" + " mtlr %r0\n" + " addi %r0, %r0, 32\n" + " blr"); diff --git a/gdb/testsuite/gdb.arch/powerpc-prologue.exp b/gdb/testsuite/gdb.arch/powerpc-prologue.exp new file mode 100644 index 0000000..7d19c4a --- /dev/null +++ b/gdb/testsuite/gdb.arch/powerpc-prologue.exp @@ -0,0 +1,61 @@ +# Copyright 2006 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 2 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Test PowerPC prologue analyzer. + +# Do not run on AIX (where we won't be able to build the tests without +# some surgery) or on PowerPC64 (ditto, dot symbols). +if {[istarget *-*-aix*] || ![istarget "powerpc-*-*"]} then { + verbose "Skipping PowerPC prologue tests." + return +} + +set testfile "powerpc-prologue" +set srcfile ${testfile}.c +set binfile ${objdir}/${subdir}/${testfile} + +# Don't use "debug", so that we don't have line information for the assembly +# fragments. +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } { + untested "PowerPC prologue tests" + return -1 +} + + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +# +# Run to `main' where we begin our tests. +# + +if ![runto_main] then { + gdb_suppress_tests +} + +# Testcase for PIC prologue. + +gdb_test "continue" "Program received signal SIGTRAP.*" "continue to PIC" + +gdb_test "backtrace 10" \ + "#0\[ \t\]*$hex in gdb2029.*\r\n#1\[ \t\]*$hex in main.*" \ + "backtrace in PIC" + +gdb_test "info frame" \ + ".*Saved registers:.*r30 at.*r31 at.*pc at.*lr at.*" \ + "saved registers in PIC" |