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| author | manuel <manuel@mausz.at> | 2012-03-27 11:51:08 +0200 |
|---|---|---|
| committer | manuel <manuel@mausz.at> | 2012-03-27 11:51:08 +0200 |
| commit | 4f670845ff9ab6c48bcb5f7bf4d4ef6dc3c3064b (patch) | |
| tree | 868c52e06f207b5ec8a3cc141f4b8b2bdfcc165c /tests/vm/pt-grow-pusha.c | |
| parent | eae0bd57f0a26314a94785061888d193d186944a (diff) | |
| download | progos-4f670845ff9ab6c48bcb5f7bf4d4ef6dc3c3064b.tar.gz progos-4f670845ff9ab6c48bcb5f7bf4d4ef6dc3c3064b.tar.bz2 progos-4f670845ff9ab6c48bcb5f7bf4d4ef6dc3c3064b.zip | |
reorganize file structure to match the upstream requirements
Diffstat (limited to 'tests/vm/pt-grow-pusha.c')
| -rw-r--r-- | tests/vm/pt-grow-pusha.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/vm/pt-grow-pusha.c b/tests/vm/pt-grow-pusha.c new file mode 100644 index 0000000..f9762a5 --- /dev/null +++ b/tests/vm/pt-grow-pusha.c | |||
| @@ -0,0 +1,20 @@ | |||
| 1 | /* Expand the stack by 32 bytes all at once using the PUSHA | ||
| 2 | instruction. | ||
| 3 | This must succeed. */ | ||
| 4 | |||
| 5 | #include <string.h> | ||
| 6 | #include "tests/arc4.h" | ||
| 7 | #include "tests/cksum.h" | ||
| 8 | #include "tests/lib.h" | ||
| 9 | #include "tests/main.h" | ||
| 10 | |||
| 11 | void | ||
| 12 | test_main (void) | ||
| 13 | { | ||
| 14 | asm volatile | ||
| 15 | ("movl %%esp, %%eax;" /* Save a copy of the stack pointer. */ | ||
| 16 | "andl $0xfffff000, %%esp;" /* Move stack pointer to bottom of page. */ | ||
| 17 | "pushal;" /* Push 32 bytes on stack at once. */ | ||
| 18 | "movl %%eax, %%esp" /* Restore copied stack pointer. */ | ||
| 19 | : : : "eax"); /* Tell GCC we destroyed eax. */ | ||
| 20 | } | ||
