diff options
Diffstat (limited to 'Documentation/s390/Debugging390.txt')
| -rw-r--r-- | Documentation/s390/Debugging390.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/s390/Debugging390.txt b/Documentation/s390/Debugging390.txt index 844c03fe7921..0bb4512e8a65 100644 --- a/Documentation/s390/Debugging390.txt +++ b/Documentation/s390/Debugging390.txt | |||
| @@ -188,7 +188,7 @@ Bytes 0-512 ( 200 hex ) on s/390 & 0-512,4096-4544,4604-5119 currently on z/Arch | |||
| 188 | are used by the processor itself for holding such information as exception indications & | 188 | are used by the processor itself for holding such information as exception indications & |
| 189 | entry points for exceptions. | 189 | entry points for exceptions. |
| 190 | Bytes after 0xc00 hex are used by linux for per processor globals on s/390 & z/Architecture | 190 | Bytes after 0xc00 hex are used by linux for per processor globals on s/390 & z/Architecture |
| 191 | ( there is a gap on z/Architecure too currently between 0xc00 & 1000 which linux uses ). | 191 | ( there is a gap on z/Architecture too currently between 0xc00 & 1000 which linux uses ). |
| 192 | The closest thing to this on traditional architectures is the interrupt | 192 | The closest thing to this on traditional architectures is the interrupt |
| 193 | vector table. This is a good thing & does simplify some of the kernel coding | 193 | vector table. This is a good thing & does simplify some of the kernel coding |
| 194 | however it means that we now cannot catch stray NULL pointers in the | 194 | however it means that we now cannot catch stray NULL pointers in the |
| @@ -861,7 +861,7 @@ Linux source tree. | |||
| 861 | 6) rm /arch/s390/kernel/signal.o | 861 | 6) rm /arch/s390/kernel/signal.o |
| 862 | 7) make /arch/s390/kernel/signal.o | 862 | 7) make /arch/s390/kernel/signal.o |
| 863 | 8) watch the gcc command line emitted | 863 | 8) watch the gcc command line emitted |
| 864 | 9) type it in again or alernatively cut & paste it on the console adding the -g option. | 864 | 9) type it in again or alternatively cut & paste it on the console adding the -g option. |
| 865 | 10) objdump --source arch/s390/kernel/signal.o > signal.lst | 865 | 10) objdump --source arch/s390/kernel/signal.o > signal.lst |
| 866 | This will output the source & the assembly intermixed, as the snippet below shows | 866 | This will output the source & the assembly intermixed, as the snippet below shows |
| 867 | This will unfortunately output addresses which aren't the same | 867 | This will unfortunately output addresses which aren't the same |