Blame src/setjmp/nt64/longjmp.s
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############################################################################
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## mmglue: midipix architecture- and target-specific bits for musl libc ##
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## Copyright (C) 2013--2023 SysDeer Technologies, LLC ##
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## Released under the Standard MIT License; see COPYING.MMGLUE. ##
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############################################################################
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.text
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.globl __longjmp
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.globl _longjmp
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.globl longjmp
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.def __longjmp; .scl 2; .type 32; .endef
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.def _longjmp; .scl 2; .type 32; .endef
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.def longjmp; .scl 2; .type 32; .endef
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__longjmp:
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_longjmp:
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longjmp:
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test %edx, %edx # is val zero?
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jne 1f # no: return val
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xor $1, %edx # yes: return one
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1:
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mov %edx, %eax # return value
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2:
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mov 0x10(%rcx), %rbx # restore regs
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mov 0x18(%rcx), %rbp
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mov 0x20(%rcx), %rdi
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mov 0x28(%rcx), %rsi
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mov 0x30(%rcx), %r12
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mov 0x38(%rcx), %r13
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mov 0x40(%rcx), %r14
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mov 0x48(%rcx), %r15
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mov 0x08(%rcx), %rsp # saved stack pointer
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mov (%rcx), %rdx # return address
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jmp *%rdx # return
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.section .got$longjmp
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.global __imp_longjmp
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__imp_longjmp:
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.quad longjmp
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.linkonce discard
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