41 lines
547 B
ArmAsm
41 lines
547 B
ArmAsm
#
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# arch/arm/setjmp.S
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#
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# setjmp/longjmp for the ARM architecture
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#
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#
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# The jmp_buf is assumed to contain the following, in order:
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# r4
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# r5
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# r6
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# r7
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# r8
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# r9
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# r10
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# fp
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# sp
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# lr
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#
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.text
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.align 4
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.globl setjmp
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.type setjmp, #function
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setjmp:
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stmia r0, {r4, r5, r6, r7, r8, r9, r10, fp, sp, lr}
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mov r0, #0
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mov pc, lr
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.size setjmp,.-setjmp
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.text
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.align 4
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.globl longjmp
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.type longjmp, #function
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longjmp:
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ldmia r0, {r4, r5, r6, r7, r8, r9, r10, fp, sp, lr}
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movs r0, r1
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moveq r0, #1
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mov pc, lr
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.size longjmp,.-longjmp
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