diff options
Diffstat (limited to 'libbacktrace/xcoff.c')
-rw-r--r-- | libbacktrace/xcoff.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/libbacktrace/xcoff.c b/libbacktrace/xcoff.c new file mode 100644 index 00000000000..8f3a8495995 --- /dev/null +++ b/libbacktrace/xcoff.c @@ -0,0 +1,76 @@ +/* xcoff.c -- Get debug data from a XCOFFF file for backtraces. + Copyright (C) 2017 Free Software Foundation, Inc. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + (1) Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + (2) Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + (3) The name of the author may not be used to + endorse or promote products derived from this software without + specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, +INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING +IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. */ + +#include "config.h" + +#include <sys/types.h> + +#include "backtrace.h" +#include "internal.h" + +/* A trivial routine that always fails to find fileline data. */ + +static int +xcoff_fileline (struct backtrace_state *state ATTRIBUTE_UNUSED, + uintptr_t pc, backtrace_full_callback callback, + backtrace_error_callback error_callback ATTRIBUTE_UNUSED, + void *data) + +{ + static char buf[32]; + + snprintf (buf, sizeof(buf), "pc=0x%llx", (unsigned long long) pc); + return callback (data, pc, "unknown_file", 123, buf); +} + +static void +xcoff_syminfo (struct backtrace_state *state ATTRIBUTE_UNUSED, uintptr_t addr, + backtrace_syminfo_callback callback, + backtrace_error_callback error_callback ATTRIBUTE_UNUSED, + void *data) +{ + callback (data, addr, "unknown", 0, 0); +} + +/* Initialize the backtrace data when we don't know how to read the + debug info. */ + +int +backtrace_initialize (struct backtrace_state *state ATTRIBUTE_UNUSED, + int descriptor ATTRIBUTE_UNUSED, + backtrace_error_callback error_callback ATTRIBUTE_UNUSED, + void *data ATTRIBUTE_UNUSED, fileline *fileline_fn) +{ + state->syminfo_fn = xcoff_syminfo; + state->fileline_data = NULL; + *fileline_fn = xcoff_fileline; + return 1; +} |