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sh: Provide a FLAT_PLAT_INIT() definition.

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SH needs this in order to make sure that r4 has a sane value at process
entry time, which the libc expects has already been taken care of.

Fixes random crashes in flat binaries.

Signed-off-by: Takashi YOSHII <yoshii.takashi@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Takashi YOSHII 2008-08-11 20:12:52 +09:00 committed by Paul Mundt
parent 74c27c43eb
commit 9b9d6b2a4f
1 changed files with 7 additions and 0 deletions
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7
arch/sh/include/asm/flat.h
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@ -21,4 +21,11 @@
#define flat_get_relocate_addr(rel) (rel)
#define flat_set_persistent(relval, p) ({ (void)p; 0; })
#define FLAT_PLAT_INIT(_r) \
do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
_r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
_r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
_r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \
_r->sr = SR_FD; } while (0)
#endif /* __ASM_SH_FLAT_H */