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Diffstat (limited to 'py/nlrx64.S')
| -rw-r--r-- | py/nlrx64.S | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/py/nlrx64.S b/py/nlrx64.S deleted file mode 100644 index caea35de2..000000000 --- a/py/nlrx64.S +++ /dev/null @@ -1,259 +0,0 @@ -/* - * This file is part of the Micro Python project, http://micropython.org/ - * - * The MIT License (MIT) - * - * Copyright (c) 2013, 2014 Damien P. George - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#if defined(__x86_64__) && !MICROPY_NLR_SETJMP - -// We only need the functions here if we are on x86-64, and we are not -// using setjmp/longjmp. -// -// For reference, x86-64 callee save regs are: -// rbx, rbp, rsp, r12, r13, r14, r15 - -// the offset of nlr_top within mp_state_ctx_t -#define NLR_TOP_OFFSET (2 * 8) - -#if defined(__APPLE__) && defined(__MACH__) -#define NLR_TOP (_mp_state_ctx + NLR_TOP_OFFSET) -#define MP_THREAD_GET_STATE _mp_thread_get_state -#else -#define NLR_TOP (mp_state_ctx + NLR_TOP_OFFSET) -#define MP_THREAD_GET_STATE mp_thread_get_state -#endif - -// offset of nlr_top within mp_state_thread_t structure -#define NLR_TOP_TH_OFF (0) - -#if defined(_WIN32) || defined(__CYGWIN__) -#define NLR_OS_WINDOWS -#endif - - .file "nlr.s" - .text - -#if !defined(NLR_OS_WINDOWS) - -/******************************************************************************/ -// -// Functions for *nix and OSX. -// OSX needs _ prefix for binding to C, and doesn't support some directives. -// -/******************************************************************************/ - -/**************************************/ -// mp_uint_t nlr_push(rdi=nlr_buf_t *nlr) - -#if !(defined(__APPLE__) && defined(__MACH__)) - .globl nlr_push - .type nlr_push, @function -nlr_push: -#else - .globl _nlr_push -_nlr_push: -#endif - movq (%rsp), %rax # load return %rip - movq %rax, 16(%rdi) # store %rip into nlr_buf - movq %rbp, 24(%rdi) # store %rbp into nlr_buf - movq %rsp, 32(%rdi) # store %rsp into nlr_buf - movq %rbx, 40(%rdi) # store %rbx into nlr_buf - movq %r12, 48(%rdi) # store %r12 into nlr_buf - movq %r13, 56(%rdi) # store %r13 into nlr_buf - movq %r14, 64(%rdi) # store %r14 into nlr_buf - movq %r15, 72(%rdi) # store %r15 into nlr_buf - -#if !MICROPY_PY_THREAD - movq NLR_TOP(%rip), %rax # get last nlr_buf - movq %rax, (%rdi) # store it - movq %rdi, NLR_TOP(%rip) # stor new nlr_buf (to make linked list) -#else - movq %rdi, %rbp # since we make a call, must save rdi in rbp - callq MP_THREAD_GET_STATE # get mp_state_thread ptr into rax - movq NLR_TOP_TH_OFF(%rax), %rsi # get thread.nlr_top (last nlr_buf) - movq %rsi, (%rbp) # store it - movq %rbp, NLR_TOP_TH_OFF(%rax) # store new nlr_buf (to make linked list) - movq 24(%rbp), %rbp # restore rbp -#endif - - xorq %rax, %rax # return 0, normal return - ret # return -#if !(defined(__APPLE__) && defined(__MACH__)) - .size nlr_push, .-nlr_push -#endif - -/**************************************/ -// void nlr_pop() - -#if !(defined(__APPLE__) && defined(__MACH__)) - .globl nlr_pop - .type nlr_pop, @function -nlr_pop: -#else - .globl _nlr_pop -_nlr_pop: -#endif - -#if !MICROPY_PY_THREAD - movq NLR_TOP(%rip), %rax # get nlr_top into %rax - movq (%rax), %rax # load prev nlr_buf - movq %rax, NLR_TOP(%rip) # store prev nlr_buf (to unlink list) -#else - callq MP_THREAD_GET_STATE # get mp_state_thread ptr into rax - movq NLR_TOP_TH_OFF(%rax), %rdi # get thread.nlr_top (last nlr_buf) - movq (%rdi), %rdi # load prev nlr_buf - movq %rdi, NLR_TOP_TH_OFF(%rax) # store prev nlr_buf (to unlink list) -#endif - - ret # return -#if !(defined(__APPLE__) && defined(__MACH__)) - .size nlr_pop, .-nlr_pop -#endif - -/**************************************/ -// void nlr_jump(rdi=mp_uint_t val) - -#if !(defined(__APPLE__) && defined(__MACH__)) - .globl nlr_jump - .type nlr_jump, @function -nlr_jump: -#else - .globl _nlr_jump - _nlr_jump: -#endif - -#if !MICROPY_PY_THREAD - movq %rdi, %rax # put return value in %rax - movq NLR_TOP(%rip), %rdi # get nlr_top into %rdi - test %rdi, %rdi # check for nlr_top being NULL - je .fail # fail if nlr_top is NULL - movq %rax, 8(%rdi) # store return value - movq (%rdi), %rax # load prev nlr_buf - movq %rax, NLR_TOP(%rip) # store prev nlr_buf (to unlink list) -#else - movq %rdi, %rbp # put return value in rbp - callq MP_THREAD_GET_STATE # get thread ptr in rax - movq %rax, %rsi # put thread ptr in rsi - movq %rbp, %rax # put return value to rax (for je .fail) - movq NLR_TOP_TH_OFF(%rsi), %rdi # get thread.nlr_top in rdi - test %rdi, %rdi # check for nlr_top being NULL - je .fail # fail if nlr_top is NULL - movq %rax, 8(%rdi) # store return value - movq (%rdi), %rax # load prev nlr_buf - movq %rax, NLR_TOP_TH_OFF(%rsi) # store prev nlr_buf (to unlink list) -#endif - - movq 72(%rdi), %r15 # load saved %r15 - movq 64(%rdi), %r14 # load saved %r14 - movq 56(%rdi), %r13 # load saved %r13 - movq 48(%rdi), %r12 # load saved %r12 - movq 40(%rdi), %rbx # load saved %rbx - movq 32(%rdi), %rsp # load saved %rsp - movq 24(%rdi), %rbp # load saved %rbp - movq 16(%rdi), %rax # load saved %rip - movq %rax, (%rsp) # store saved %rip to stack - xorq %rax, %rax # clear return register - inc %al # increase to make 1, non-local return - ret # return -.fail: - movq %rax, %rdi # put argument back in first-arg register -#if !(defined(__APPLE__) && defined(__MACH__)) - je nlr_jump_fail # transfer control to nlr_jump_fail - .size nlr_jump, .-nlr_jump -#else - je _nlr_jump_fail # transfer control to nlr_jump_fail -#endif - -#else // !defined(NLR_OS_WINDOWS) - -/******************************************************************************/ -// -// Functions for Windows -// -/******************************************************************************/ - -/**************************************/ -// mp_uint_t nlr_push(rcx=nlr_buf_t *nlr) - - .globl nlr_push -nlr_push: - movq (%rsp), %rax # load return %rip - movq %rax, 16(%rcx) # store %rip into nlr_buf - movq %rbp, 24(%rcx) # store %rbp into nlr_buf - movq %rsp, 32(%rcx) # store %rsp into nlr_buf - movq %rbx, 40(%rcx) # store %rbx into nlr_buf - movq %r12, 48(%rcx) # store %r12 into nlr_buf - movq %r13, 56(%rcx) # store %r13 into nlr_buf - movq %r14, 64(%rcx) # store %r14 into nlr_buf - movq %r15, 72(%rcx) # store %r15 into - movq %rdi, 80(%rcx) # store %rdr into - movq %rsi, 88(%rcx) # store %rsi into - movq NLR_TOP(%rip), %rax # get last nlr_buf - movq %rax, (%rcx) # store it - movq %rcx, NLR_TOP(%rip) # stor new nlr_buf (to make linked list) - xorq %rax, %rax # return 0, normal return - ret # return - -/**************************************/ -// void nlr_pop() - - .globl nlr_pop -nlr_pop: - movq NLR_TOP(%rip), %rax # get nlr_top into %rax - movq (%rax), %rax # load prev nlr_buf - movq %rax, NLR_TOP(%rip) # store prev nlr_buf (to unlink list) - ret # return - -/**************************************/ -// void nlr_jump(rcx=mp_uint_t val) - - .globl nlr_jump -nlr_jump: - movq %rcx, %rax # put return value in %rax - movq NLR_TOP(%rip), %rcx # get nlr_top into %rcx - test %rcx, %rcx # check for nlr_top being NULL - je .fail # fail if nlr_top is NULL - movq %rax, 8(%rcx) # store return value - movq (%rcx), %rax # load prev nlr_buf - movq %rax, NLR_TOP(%rip) # store prev nlr_buf (to unlink list) - movq 72(%rcx), %r15 # load saved %r15 - movq 64(%rcx), %r14 # load saved %r14 - movq 56(%rcx), %r13 # load saved %r13 - movq 48(%rcx), %r12 # load saved %r12 - movq 40(%rcx), %rbx # load saved %rbx - movq 32(%rcx), %rsp # load saved %rsp - movq 24(%rcx), %rbp # load saved %rbp - movq 16(%rcx), %rax # load saved %rip - movq 80(%rcx), %rdi # store %rdr into - movq 88(%rcx), %rsi # store %rsi into - movq %rax, (%rsp) # store saved %rip to stack - xorq %rax, %rax # clear return register - inc %al # increase to make 1, non-local return - ret # return -.fail: - movq %rax, %rcx # put argument back in first-arg register - je nlr_jump_fail # transfer control to nlr_jump_fail - -#endif // !defined(NLR_OS_WINDOWS) - -#endif // defined(__x86_64__) && !MICROPY_NLR_SETJMP |