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Stop using the setcontext() syscall to restore an async context.

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Instead use the break instruction with an immediate specially
created for us.
This commit is contained in:
Marcel Moolenaar 2003-09-19 22:54:05 +00:00
parent fe4723c884
commit 492eea0dcd
2 changed files with 10 additions and 10 deletions
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10
lib/libkse/arch/ia64/ia64/context.S
View File

@ -339,13 +339,13 @@ ENTRY(_ia64_save_context, 1)
END(_ia64_save_context)
/*
* void _ia64_break_setcontext(ucontext_t *ucp);
* void _ia64_break_setcontext(mcontext_t *mc);
*/
ENTRY(_ia64_break_setcontext, 1)
{ .mib
mov r15=SYS_setcontext
break 0x100000
br.ret.sptk rp
{ .mmi
mov r8=r32
break 0x180000
nop 0
;;
}
END(_ia64_break_setcontext)

10
lib/libpthread/arch/ia64/ia64/context.S
View File

@ -339,13 +339,13 @@ ENTRY(_ia64_save_context, 1)
END(_ia64_save_context)
/*
* void _ia64_break_setcontext(ucontext_t *ucp);
* void _ia64_break_setcontext(mcontext_t *mc);
*/
ENTRY(_ia64_break_setcontext, 1)
{ .mib
mov r15=SYS_setcontext
break 0x100000
br.ret.sptk rp
{ .mmi
mov r8=r32
break 0x180000
nop 0
;;
}
END(_ia64_break_setcontext)