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| author | Carlos O'Donell <carlos@systemhalted.org> | 2010-03-31 22:42:33 +0200 |
|---|---|---|
| committer | Kyle McMartin <kyle@dreadnought.i.jkkm.org> | 2010-05-30 11:38:27 +0200 |
| commit | d24944d924d051281b276be8e5749b45785563c8 (patch) | |
| tree | 5eeb347ab792587628579cab5f7cd09fd9d85c7e /arch | |
| parent | Linus 2.6.34 (diff) | |
| download | linux-d24944d924d051281b276be8e5749b45785563c8.tar.xz linux-d24944d924d051281b276be8e5749b45785563c8.zip | |
parisc: Use of align_frame provides stack frame.
Any assembly constant generated with the use of
align_frame includes size for a full stack frame.
Signed-off-by: Carlos O'Donell <carlos@systemhalted.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/parisc/kernel/asm-offsets.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c index ec787b411e9a..dcd55103a4bb 100644 --- a/arch/parisc/kernel/asm-offsets.c +++ b/arch/parisc/kernel/asm-offsets.c @@ -45,8 +45,12 @@ #else #define FRAME_SIZE 64 #endif +#define FRAME_ALIGN 64 -#define align(x,y) (((x)+FRAME_SIZE+(y)-1) - (((x)+(y)-1)%(y))) +/* Add FRAME_SIZE to the size x and align it to y. All definitions + * that use align_frame will include space for a frame. + */ +#define align_frame(x,y) (((x)+FRAME_SIZE+(y)-1) - (((x)+(y)-1)%(y))) int main(void) { @@ -146,7 +150,8 @@ int main(void) DEFINE(TASK_PT_IOR, offsetof(struct task_struct, thread.regs.ior)); BLANK(); DEFINE(TASK_SZ, sizeof(struct task_struct)); - DEFINE(TASK_SZ_ALGN, align(sizeof(struct task_struct), 64)); + /* TASK_SZ_ALGN includes space for a stack frame. */ + DEFINE(TASK_SZ_ALGN, align_frame(sizeof(struct task_struct), FRAME_ALIGN)); BLANK(); DEFINE(PT_PSW, offsetof(struct pt_regs, gr[ 0])); DEFINE(PT_GR1, offsetof(struct pt_regs, gr[ 1])); @@ -233,7 +238,8 @@ int main(void) DEFINE(PT_ISR, offsetof(struct pt_regs, isr)); DEFINE(PT_IOR, offsetof(struct pt_regs, ior)); DEFINE(PT_SIZE, sizeof(struct pt_regs)); - DEFINE(PT_SZ_ALGN, align(sizeof(struct pt_regs), 64)); + /* PT_SZ_ALGN includes space for a stack frame. */ + DEFINE(PT_SZ_ALGN, align_frame(sizeof(struct pt_regs), FRAME_ALIGN)); BLANK(); DEFINE(TI_TASK, offsetof(struct thread_info, task)); DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain)); @@ -242,7 +248,8 @@ int main(void) DEFINE(TI_SEGMENT, offsetof(struct thread_info, addr_limit)); DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count)); DEFINE(THREAD_SZ, sizeof(struct thread_info)); - DEFINE(THREAD_SZ_ALGN, align(sizeof(struct thread_info), 64)); + /* THREAD_SZ_ALGN includes space for a stack frame. */ + DEFINE(THREAD_SZ_ALGN, align_frame(sizeof(struct thread_info), FRAME_ALIGN)); BLANK(); DEFINE(ICACHE_BASE, offsetof(struct pdc_cache_info, ic_base)); DEFINE(ICACHE_STRIDE, offsetof(struct pdc_cache_info, ic_stride)); |