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This matches a similar change made to glibc.
No functional changes here.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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If there was an error during syscall then after it's completion a3
register holds a non-zero value and v0 holds an actual error code which
should be saved in errno. This can be achieved by calling
__syscall_error with the value from v0 as a parameter. So this value
should be stored in a0, but the appropriate assembly instructions are
missing. Fixed this now by adding "move a0, v0".
I think it was once fixed by 58c5f8ba4cdf62342d05a546d15404cbbb3c4e07
but then something went wrong. Again...
Signed-off-by: Alexander Gordeev <lasaine@lvk.cs.msu.su>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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This patch avoid the following build error:
AS libc/sysdeps/linux/mips/vfork.os
In file included from libc/sysdeps/linux/mips/vfork.S:22:
./libc/sysdeps/linux/mips/sysdep.h:41:20: error: regdef.h: No such file
or directory
libc/sysdeps/linux/mips/vfork.S: Assembler messages:
libc/sysdeps/linux/mips/vfork.S:40: Warning: Unrecognized register name `sp'
libc/sysdeps/linux/mips/vfork.S:40: Warning: Bad .frame directive
libc/sysdeps/linux/mips/vfork.S:40: Error: junk at end of line, first
unrecognized character is `s'
libc/sysdeps/linux/mips/vfork.S:44: Error: illegal operands `dsubu
sp,FRAMESZ'
libc/sysdeps/linux/mips/vfork.S:45: Error: bad or irreducible absolute
expression
libc/sysdeps/linux/mips/vfork.S:65: Error: illegal operands `daddu
sp,FRAMESZ'
libc/sysdeps/linux/mips/vfork.S:69: Error: illegal operands `li a0,0x4112'
libc/sysdeps/linux/mips/vfork.S:70: Error: illegal operands `move a1,sp'
libc/sysdeps/linux/mips/vfork.S:73: Error: illegal operands `li
v0,(5000+55)'
libc/sysdeps/linux/mips/vfork.S:78: Error: illegal operands `bnez
a3,.Lerror'
libc/sysdeps/linux/mips/vfork.S:88: Error: illegal operands `dla
t9,__syscall_error'
libc/sysdeps/linux/mips/vfork.S:90: Error: illegal operands `jr t9'
Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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* vfork impl with support for SAVE_PID, RESTORE_PID
* sysdep.h assembly macros
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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