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- #include <features.h>
- # longjmp.S atp sept 2001
- # restore regs and info and jmp back to a previous setjmp
- .globl __longjmp
- .align 4
- __longjmp:
- .word 0x0040 # this matches setjmp and PLT
- movl 0x4(%ap), %r0 # our scratch reg
- # movl $0, %r0
- # movl (%r0), %r0
- # we are going to modify our stack frame
- # to the same as that of the setjmp we called earlier
- movl (%r0), (%fp) # cond handler
- movl 0x4(%r0), 0x4(%fp) # psw
- movl 0x8(%r0), 0x8(%fp) # ap
- movl 0xc(%r0), 0xc(%fp) # fp
- movl 0x10(%r0), 0x10(%fp) # pc
- # restore the regs
- movl 0x14(%r0), %r1
- movl 0x18(%r0), %r2
- movl 0x1c(%r0), %r3
- movl 0x20(%r0), %r4
- movl 0x24(%r0), %r5
- movl 0x28(%r0), %r6
- movl 0x2c(%r0), %r7
- movl 0x30(%r0), %r8
- movl 0x34(%r0), %r9
- movl 0x38(%r0), %r10
- movl 0x3c(%r0), %r11
- # check val and set to 1 if set to zero
- movl 0x8(%ap), %r0
- tstl %r0
- bneq exit_ok
- movl $0x1, %r0
- exit_ok:
- ret
- .size __longjmp,.-__longjmp
- libc_hidden_def(__longjmp)
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