diff options
author | Steven J. Magnani <steve@digidescorp.com> | 2010-04-27 12:37:54 -0500 |
---|---|---|
committer | Michal Simek <monstr@monstr.eu> | 2010-08-04 10:22:35 +0200 |
commit | ce3266c047389443d5f433d605c769e878cbe46e (patch) | |
tree | e638a255d5d0f1b000a81b512dc605b92d0b8701 /arch/microblaze/kernel/Makefile | |
parent | ba9c4f88d747836bf35c3eee36aa18d2e164f493 (diff) |
microblaze: Add stack unwinder
Implement intelligent backtracing by searching for stack frame creation,
and emitting only return addresses. Use print_hex_dump() to display the
entire binary kernel stack.
Limitation: MMU kernels are not currently able to trace beyond a system trap
(interrupt, syscall, etc.). It is the intent of this patch to provide
infrastructure that can be extended to add this capability later.
Changes from V1:
* Removed checks in find_frame_creation() that prevented location of the frame
creation instruction in heavily optimized code
* Various formatting/commenting/file location tweaks per review comments
* Dropped Kconfig option to enable STACKTRACE as something logically separate
Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
Diffstat (limited to 'arch/microblaze/kernel/Makefile')
-rw-r--r-- | arch/microblaze/kernel/Makefile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile index e51bc1520825..d66ddef53c07 100644 --- a/arch/microblaze/kernel/Makefile +++ b/arch/microblaze/kernel/Makefile @@ -17,7 +17,7 @@ extra-y := head.o vmlinux.lds obj-y += dma.o exceptions.o \ hw_exception_handler.o init_task.o intc.o irq.o of_device.o \ of_platform.o process.o prom.o prom_parse.o ptrace.o \ - setup.o signal.o sys_microblaze.o timer.o traps.o reset.o + reset.o setup.o signal.o sys_microblaze.o timer.o traps.o unwind.o obj-y += cpu/ |