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SH: makecontext: Fix calculation of ARGC > 4.

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stdlib/tst-setcontext and stdlib/tst-makecontext3 now pass.
This commit is contained in:
Thomas Schwinge
2012-06-23 11:28:23 +02:00
parent af1bce34ef
commit 2a649725b9
2 changed files with 4 additions and 1 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2012-06-23 Thomas Schwinge <thomas@codesourcery.com> 2012-06-23 Thomas Schwinge <thomas@codesourcery.com>
* sysdeps/unix/sysv/linux/sh/makecontext.S (__makecontext): Fix
calculation of ARGC > 4.
* sysdeps/unix/sysv/linux/sh/makecontext.S: Add comments and give more * sysdeps/unix/sysv/linux/sh/makecontext.S: Add comments and give more
meaningful names to some local labels. meaningful names to some local labels.

2
sysdeps/unix/sysv/linux/sh/makecontext.S
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@ -36,7 +36,7 @@ ENTRY(__makecontext)
mov.l @(oSS_SP,r4), r1 /* r1 <- ucb->stack_base */ mov.l @(oSS_SP,r4), r1 /* r1 <- ucb->stack_base */
mov.l @(oSS_SIZE,r4), r2 /* r2 <- ucb->stack_size */ mov.l @(oSS_SIZE,r4), r2 /* r2 <- ucb->stack_size */
add r1, r2 /* r2 <- stack_top */ add r1, r2 /* r2 <- stack_top */
cmp/gt r6, r3 /* 4 > argc? */ cmp/gt r3, r6 /* argc > 4? */
bf/s 1f bf/s 1f
shlr2 r2 /* r2 <- stack_top / 4 */ shlr2 r2 /* r2 <- stack_top / 4 */
sub r6, r2 sub r6, r2