Mercurial > repos > blastem
view x86_backend.c @ 505:b7b7a1cab44a
The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
author | Michael Pavone <pavone@retrodev.com> |
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date | Mon, 06 Jan 2014 22:54:05 -0800 |
parents | 140af5509ce7 |
children |
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/* Copyright 2013 Michael Pavone This file is part of BlastEm. BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. */ #include "x86_backend.h" #include <stdlib.h> deferred_addr * defer_address(deferred_addr * old_head, uint32_t address, uint8_t *dest) { deferred_addr * new_head = malloc(sizeof(deferred_addr)); new_head->next = old_head; new_head->address = address & 0xFFFFFF; new_head->dest = dest; return new_head; } void remove_deferred_until(deferred_addr **head_ptr, deferred_addr * remove_to) { for(deferred_addr *cur = *head_ptr; cur && cur != remove_to; cur = *head_ptr) { *head_ptr = cur->next; free(cur); } } void process_deferred(deferred_addr ** head_ptr, void * context, native_addr_func get_native) { deferred_addr * cur = *head_ptr; deferred_addr **last_next = head_ptr; while(cur) { uint8_t * native = get_native(context, cur->address);//get_native_address(opts->native_code_map, cur->address); if (native) { int32_t disp = native - (cur->dest + 4); uint8_t * out = cur->dest; *(out++) = disp; disp >>= 8; *(out++) = disp; disp >>= 8; *(out++) = disp; disp >>= 8; *out = disp; *last_next = cur->next; free(cur); cur = *last_next; } else { last_next = &(cur->next); cur = cur->next; } } }