66 lines
1.1 KiB
ArmAsm
66 lines
1.1 KiB
ArmAsm
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/* This is a simple version of setjmp and longjmp.
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This version does NOT save the floating point register, which is
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wrong, but I don't know how to cleanly handle machines without a
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floating point coprocessor.
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Ian Lance Taylor, Cygnus Support, 13 May 1993. */
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#ifdef __mips16
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/* This file contains 32 bit assembly code. */
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.set nomips16
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#endif
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/* int setjmp (jmp_buf); */
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.globl setjmp
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.ent setjmp
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setjmp:
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.frame $sp,0,$31
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sw $16,0($4) /* $s0 */
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sw $17,4($4) /* $s1 */
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sw $18,8($4) /* $s2 */
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sw $19,12($4) /* $s3 */
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sw $20,16($4) /* $s4 */
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sw $21,20($4) /* $s5 */
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sw $22,24($4) /* $s6 */
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sw $23,28($4) /* $s7 */
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sw $30,32($4) /* $s8 */
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sw $sp,36($4)
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sw $31,40($4)
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move $2,$0
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j $31
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.end setjmp
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/* volatile void longjmp (jmp_buf, int); */
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.globl longjmp
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.ent longjmp
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longjmp:
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.frame $sp,0,$31
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lw $16,0($4) /* $s0 */
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lw $17,4($4) /* $s1 */
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lw $18,8($4) /* $s2 */
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lw $19,12($4) /* $s3 */
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lw $20,16($4) /* $s4 */
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lw $21,20($4) /* $s5 */
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lw $22,24($4) /* $s6 */
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lw $23,28($4) /* $s7 */
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lw $30,32($4) /* $s8 */
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lw $sp,36($4)
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lw $31,40($4)
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bne $5,$0,1f
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li $5,1
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1:
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move $2,$5
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j $31
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.end longjmp
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