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Commit d24944d9 authored by Carlos O'Donell's avatar Carlos O'Donell Committed by Kyle McMartin
Browse files

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: default avatarCarlos O'Donell <carlos@systemhalted.org>
Signed-off-by: default avatarKyle McMartin <kyle@parisc-linux.org>
parent e40152ee

arch/parisc/kernel/asm-offsets.c

+11 −4
Original line number Diff line number Diff line
@@ -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));