86 lines
2.9 KiB
ArmAsm
86 lines
2.9 KiB
ArmAsm
#ifdef __x86_64__
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/* x64 callee save: bx, bp, sp, r12, r13, r14, r15 */
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.file "nlr.s"
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.text
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/* uint nlr_push(rdi=nlr_buf_t *nlr) */
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#ifndef __apple_build_version__
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.globl nlr_push
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.type nlr_push, @function
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nlr_push:
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#else
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.globl _nlr_push
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_nlr_push:
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#endif
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movq (%rsp), %rax # load return %rip
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movq %rax, 16(%rdi) # store %rip into nlr_buf
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movq %rbp, 24(%rdi) # store %rbp into nlr_buf
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movq %rsp, 32(%rdi) # store %rsp into nlr_buf
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movq %rbx, 40(%rdi) # store %rbx into nlr_buf
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movq %r12, 48(%rdi) # store %r12 into nlr_buf
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movq %r13, 56(%rdi) # store %r13 into nlr_buf
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movq %r14, 64(%rdi) # store %r14 into nlr_buf
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movq %r15, 72(%rdi) # store %r15 into nlr_buf
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movq nlr_top(%rip), %rax # get last nlr_buf
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movq %rax, (%rdi) # store it
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movq %rdi, nlr_top(%rip) # stor new nlr_buf (to make linked list)
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xorq %rax, %rax # return 0, normal return
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ret # return
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#ifndef __apple_build_version__
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.size nlr_push, .-nlr_push
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#endif
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/* void nlr_pop() */
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#ifndef __apple_build_version__
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.globl nlr_pop
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.type nlr_pop, @function
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nlr_pop:
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#else
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.globl _nlr_pop
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_nlr_pop:
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#endif
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movq nlr_top(%rip), %rax # get nlr_top into %rax
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movq (%rax), %rax # load prev nlr_buf
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movq %rax, nlr_top(%rip) # store prev nlr_buf (to unlink list)
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ret # return
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#ifndef __apple_build_version__
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.size nlr_pop, .-nlr_pop
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#endif
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/* void nlr_jump(rdi=uint val) */
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#ifndef __apple_build_version__
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.globl nlr_jump
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.type nlr_jump, @function
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nlr_jump:
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#else
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.globl _nlr_jump
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_nlr_jump:
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#endif
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movq %rdi, %rax # put return value in %rax
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movq nlr_top(%rip), %rdi # get nlr_top into %rdi
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movq %rax, 8(%rdi) # store return value
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movq (%rdi), %rax # load prev nlr_buf
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movq %rax, nlr_top(%rip) # store prev nlr_buf (to unlink list)
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movq 72(%rdi), %r15 # load saved %r15
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movq 64(%rdi), %r14 # load saved %r14
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movq 56(%rdi), %r13 # load saved %r13
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movq 48(%rdi), %r12 # load saved %r12
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movq 40(%rdi), %rbx # load saved %rbx
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movq 32(%rdi), %rsp # load saved %rsp
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movq 24(%rdi), %rbp # load saved %rbp
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movq 16(%rdi), %rax # load saved %rip
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movq %rax, (%rsp) # store saved %rip to stack
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xorq %rax, %rax # clear return register
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inc %al # increase to make 1, non-local return
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ret # return
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#ifndef __apple_build_version__
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.size nlr_jump, .-nlr_jump
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#endif
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#ifndef __apple_build_version__
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.local nlr_top
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#endif
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.comm nlr_top,8,8
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#endif
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