2014-04-29 21:19:20 -04:00
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#if defined(__x86_64__) && !MICROPY_NLR_SETJMP
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2014-02-10 17:31:17 -05:00
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/* x64 callee save: bx, bp, sp, r12, r13, r14, r15 */
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2013-10-15 17:25:17 -04:00
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.file "nlr.s"
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.text
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2014-04-03 18:51:16 -04:00
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#if !defined(__CYGWIN__)
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2013-12-29 20:38:32 -05:00
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/* uint nlr_push(rdi=nlr_buf_t *nlr) */
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2014-03-21 05:05:39 -04:00
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#if !(defined(__APPLE__) && defined(__MACH__))
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2013-10-15 17:25:17 -04:00
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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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2014-01-04 14:15:04 -05:00
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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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2013-10-15 17:25:17 -04:00
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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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2014-03-21 05:05:39 -04:00
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#if !(defined(__APPLE__) && defined(__MACH__))
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2014-01-04 14:19:19 -05:00
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.size nlr_push, .-nlr_push
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#endif
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2013-10-15 17:25:17 -04:00
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2013-12-29 20:38:32 -05:00
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/* void nlr_pop() */
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2014-03-21 05:05:39 -04:00
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#if !(defined(__APPLE__) && defined(__MACH__))
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2013-10-15 17:25:17 -04:00
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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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2014-01-04 14:15:04 -05:00
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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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2013-10-15 17:25:17 -04:00
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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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2014-03-21 05:05:39 -04:00
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#if !(defined(__APPLE__) && defined(__MACH__))
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2014-01-04 14:19:19 -05:00
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.size nlr_pop, .-nlr_pop
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#endif
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2013-10-15 17:25:17 -04:00
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2013-12-29 20:38:32 -05:00
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/* void nlr_jump(rdi=uint val) */
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2014-03-21 05:05:39 -04:00
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#if !(defined(__APPLE__) && defined(__MACH__))
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2013-10-15 17:25:17 -04:00
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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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2014-01-04 14:15:04 -05:00
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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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2013-10-15 17:25:17 -04:00
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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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2014-04-08 10:08:14 -04:00
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test %rdi, %rdi # check for nlr_top being NULL
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je .fail # fail if nlr_top is NULL
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2013-10-15 17:25:17 -04:00
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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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2014-04-08 10:08:14 -04:00
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.fail:
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movq %rax, %rdi # put argument back in first-arg register
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je nlr_jump_fail # transfer control to nlr_jump_fail
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2014-03-21 05:05:39 -04:00
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#if !(defined(__APPLE__) && defined(__MACH__))
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2013-10-15 17:25:17 -04:00
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.size nlr_jump, .-nlr_jump
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2014-01-04 14:15:04 -05:00
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#endif
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2013-10-15 17:25:17 -04:00
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2014-04-08 10:08:14 -04:00
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.bss
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2014-03-21 05:05:39 -04:00
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#if !(defined(__APPLE__) && defined(__MACH__))
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2013-10-15 17:25:17 -04:00
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.local nlr_top
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2014-01-04 14:15:04 -05:00
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#endif
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2013-10-15 17:25:17 -04:00
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.comm nlr_top,8,8
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2014-04-03 18:51:16 -04:00
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#else // !defined(__CYGWIN__)
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/* uint nlr_push(rcx=nlr_buf_t *nlr) */
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.globl nlr_push
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nlr_push:
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movq (%rsp), %rax # load return %rip
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movq %rax, 16(%rcx) # store %rip into nlr_buf
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movq %rbp, 24(%rcx) # store %rbp into nlr_buf
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movq %rsp, 32(%rcx) # store %rsp into nlr_buf
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movq %rbx, 40(%rcx) # store %rbx into nlr_buf
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movq %r12, 48(%rcx) # store %r12 into nlr_buf
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movq %r13, 56(%rcx) # store %r13 into nlr_buf
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movq %r14, 64(%rcx) # store %r14 into nlr_buf
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movq %r15, 72(%rcx) # store %r15 into
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movq %rdi, 80(%rcx) # store %rdr into
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movq %rsi, 88(%rcx) # store %rsi into
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movq nlr_top(%rip), %rax # get last nlr_buf
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movq %rax, (%rcx) # store it
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movq %rcx, 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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2014-04-08 10:08:14 -04:00
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/* void nlr_pop() */
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.globl nlr_pop
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nlr_pop:
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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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2014-04-03 18:51:16 -04:00
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2014-04-08 10:08:14 -04:00
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/* void nlr_jump(rcx=uint val) */
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2014-04-03 18:51:16 -04:00
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.globl nlr_jump
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nlr_jump:
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movq %rcx, %rax # put return value in %rax
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2014-04-08 10:08:14 -04:00
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movq nlr_top(%rip), %rcx # get nlr_top into %rcx
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test %rcx, %rcx # check for nlr_top being NULL
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je .fail # fail if nlr_top is NULL
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2014-04-03 18:51:16 -04:00
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movq %rax, 8(%rcx) # store return value
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movq (%rcx), %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(%rcx), %r15 # load saved %r15
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movq 64(%rcx), %r14 # load saved %r14
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movq 56(%rcx), %r13 # load saved %r13
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movq 48(%rcx), %r12 # load saved %r12
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movq 40(%rcx), %rbx # load saved %rbx
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movq 32(%rcx), %rsp # load saved %rsp
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movq 24(%rcx), %rbp # load saved %rbp
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movq 16(%rcx), %rax # load saved %rip
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movq 80(%rcx), %rdi # store %rdr into
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movq 88(%rcx), %rsi # store %rsi into
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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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2014-04-08 10:08:14 -04:00
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.fail:
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movq %rax, %rcx # put argument back in first-arg register
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je nlr_jump_fail # transfer control to nlr_jump_fail
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2014-04-03 18:51:16 -04:00
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2014-04-08 10:08:14 -04:00
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.bss
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2014-04-03 18:51:16 -04:00
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.comm nlr_top,8,8
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#endif // !defined(__CYGWIN__)
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#endif // __x86_64__
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