04b9147e15
Blanket wide to all .c and .h files. Some files originating from ST are difficult to deal with (license wise) so it was left out of those. Also merged modpyb.h, modos.h, modstm.h and modtime.h in stmhal/.
120 lines
4.2 KiB
ArmAsm
120 lines
4.2 KiB
ArmAsm
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#if defined(__i386__) && !MICROPY_NLR_SETJMP
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/* x86 callee save: bx, di, si, bp, sp */
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.file "nlr.s"
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.text
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/* uint nlr_push(4(%esp)=nlr_buf_t *nlr) */
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#ifdef _WIN32
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.globl _nlr_push
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.def _nlr_push; .scl 2; .type 32; .endef
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_nlr_push:
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#else
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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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#endif
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mov 4(%esp), %edx # load nlr_buf
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mov (%esp), %eax # load return %ip
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mov %eax, 8(%edx) # store %ip into nlr_buf+8
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mov %ebp, 12(%edx) # store %bp into nlr_buf+12
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mov %esp, 16(%edx) # store %sp into nlr_buf+16
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mov %ebx, 20(%edx) # store %bx into nlr_buf+20
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mov %edi, 24(%edx) # store %di into nlr_buf
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mov %esi, 28(%edx) # store %si into nlr_buf
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mov nlr_top, %eax # load nlr_top
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mov %eax, (%edx) # store it
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mov %edx, nlr_top # stor new nlr_buf (to make linked list)
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xor %eax, %eax # return 0, normal return
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ret # return
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#ifndef _WIN32
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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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#ifdef _WIN32
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.globl _nlr_pop
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.def _nlr_pop; .scl 2; .type 32; .endef
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_nlr_pop:
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#else
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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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#endif
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mov nlr_top, %eax # load nlr_top
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mov (%eax), %eax # load prev nlr_buf
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mov %eax, nlr_top # store nlr_top (to unlink list)
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ret # return
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#ifndef _WIN32
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.size nlr_pop, .-nlr_pop
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#endif
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/* void nlr_jump(4(%esp)=uint val) */
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#ifdef _WIN32
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.globl _nlr_jump
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.def _nlr_jump; .scl 2; .type 32; .endef
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_nlr_jump:
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#else
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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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#endif
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mov nlr_top, %edx # load nlr_top
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test %edx, %edx # check for nlr_top being NULL
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#ifdef _WIN32
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je _nlr_jump_fail # fail if nlr_top is NULL
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#else
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je nlr_jump_fail # fail if nlr_top is NULL
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#endif
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mov 4(%esp), %eax # load return value
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mov %eax, 4(%edx) # store return value
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mov (%edx), %eax # load prev nlr_top
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mov %eax, nlr_top # store nlr_top (to unlink list)
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mov 28(%edx), %esi # load saved %si
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mov 24(%edx), %edi # load saved %di
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mov 20(%edx), %ebx # load saved %bx
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mov 16(%edx), %esp # load saved %sp
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mov 12(%edx), %ebp # load saved %bp
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mov 8(%edx), %eax # load saved %ip
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mov %eax, (%esp) # store saved %ip to stack
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xor %eax, %eax # 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 _WIN32
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.size nlr_jump, .-nlr_jump
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#endif
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.bss
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#ifndef _WIN32
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.local nlr_top
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#endif
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.comm nlr_top,4,4
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#endif /* __i386__ */
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