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authorHirokazu Takata <takata@linux-m32r.org>2006-02-24 13:03:51 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-24 14:31:36 -0800
commit6ced13cdcab440931b87829b0f2d0dedacfb3f2d (patch)
tree8bdd7a80685a7069b30a0e03d32892a81ea8ca9c /include/asm-m32r
parentcde05cf2145b0aa06dd61277060bfba5d38acb0b (diff)
[PATCH] m32r: fix and update for gcc-4.0
Fix and update for gcc-4.0. - arch/m32r/kernel/signal.c: Change type of the 8th parameter of sys_rt_sigsuspend() from 'struct pt_regs' to 'struct pt_regs *'. This functions make use of the 'regs' parameter to return status value, but gcc-4.0 optimizes and removes it as a dead code. Functions, sys_sigaltstack() and sys_rt_sigreturn(), have also modified. - arch/m32r/lib/usercopy.c, include/asm-m32r/uaccess.h: Add early-clobber constraints('&') to output values of asm statements; these constraints seems to be required for gcc-4.0 register assignment. Signed-off-by: Hayato Fujiwara <fujiwara@linux-m32r.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-m32r')
-rw-r--r--include/asm-m32r/uaccess.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/asm-m32r/uaccess.h b/include/asm-m32r/uaccess.h
index 0da7c47d2f0..e8ae61956a5 100644
--- a/include/asm-m32r/uaccess.h
+++ b/include/asm-m32r/uaccess.h
@@ -328,7 +328,7 @@ extern void __put_user_bad(void);
" .long 1b,4b\n" \
" .long 2b,4b\n" \
".previous" \
- : "=r"(err) \
+ : "=&r"(err) \
: "r"(x), "r"(addr), "i"(-EFAULT), "0"(err) \
: "r14", "memory")
@@ -353,7 +353,7 @@ extern void __put_user_bad(void);
" .long 1b,4b\n" \
" .long 2b,4b\n" \
".previous" \
- : "=r"(err) \
+ : "=&r"(err) \
: "r"(x), "r"(addr), "i"(-EFAULT), "0"(err) \
: "r14", "memory")
#else
@@ -398,7 +398,7 @@ struct __large_struct { unsigned long buf[100]; };
" .balign 4\n" \
" .long 1b,3b\n" \
".previous" \
- : "=r"(err) \
+ : "=&r"(err) \
: "r"(x), "r"(addr), "i"(-EFAULT), "0"(err) \
: "r14", "memory")
@@ -442,7 +442,7 @@ do { \
" .balign 4\n" \
" .long 1b,3b\n" \
".previous" \
- : "=r"(err), "=&r"(x) \
+ : "=&r"(err), "=&r"(x) \
: "r"(addr), "i"(-EFAULT), "0"(err) \
: "r14", "memory")