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https://github.com/RaySollium99/picodrive.git
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rm dupe file
This commit is contained in:
notaz
parent
97e95a29ac
commit
009ef50c60
4 changed files with 2 additions and 238 deletions
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@ -61,7 +61,7 @@
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}
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#include "mame/sh2dasm.h"
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#include <platform/linux/host_dasm.h>
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#include <platform/libpicofe/linux/host_dasm.h>
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static int insns_compiled, hash_collisions, host_insn_count;
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#define COUNT_OP \
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host_insn_count++
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@ -139,7 +139,7 @@ SRCS_COMMON += $(R)cpu/sh2/compiler.c
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ifdef drc_debug
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DEFINES += DRC_DEBUG=$(drc_debug)
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SRCS_COMMON += $(R)cpu/sh2/mame/sh2dasm.c
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SRCS_COMMON += $(R)platform/linux/host_dasm.c
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SRCS_COMMON += $(R)platform/libpicofe/linux/host_dasm.c
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LDFLAGS += -lbfd -lopcodes -liberty
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endif
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ifeq "$(drc_debug_interp)" "1"
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@ -1,232 +0,0 @@
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/*
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* PicoDrive
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* (C) notaz, 2009,2010
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*
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* This work is licensed under the terms of MAME license.
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* See COPYING file in the top-level directory.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <bfd.h>
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#include <dis-asm.h>
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#include "host_dasm.h"
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extern char **g_argv;
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static struct disassemble_info di;
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#ifdef __arm__
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#define print_insn_func print_insn_little_arm
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#define BFD_ARCH bfd_arch_arm
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#define BFD_MACH bfd_mach_arm_4T
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#else
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#define print_insn_func print_insn_i386_intel
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#define BFD_ARCH bfd_arch_i386
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#define BFD_MACH bfd_mach_i386_i386_intel_syntax
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#endif
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/* symbols */
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static asymbol **symbols;
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static long symcount, symstorage;
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static int init_done;
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/* Filter out (in place) symbols that are useless for disassembly.
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COUNT is the number of elements in SYMBOLS.
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Return the number of useful symbols. */
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static long
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remove_useless_symbols (asymbol **symbols, long count)
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{
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asymbol **in_ptr = symbols, **out_ptr = symbols;
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while (--count >= 0)
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{
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asymbol *sym = *in_ptr++;
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if (sym->name == NULL || sym->name[0] == '\0' || sym->name[0] == '$')
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continue;
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if (sym->flags & (BSF_DEBUGGING | BSF_SECTION_SYM))
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continue;
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if (bfd_is_und_section (sym->section)
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|| bfd_is_com_section (sym->section))
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continue;
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if (sym->value + sym->section->vma == 0)
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continue;
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/*
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printf("sym: %08lx %04x %08x v %08x \"%s\"\n",
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(unsigned int)sym->value, (unsigned int)sym->flags, (unsigned int)sym->udata.i,
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(unsigned int)sym->section->vma, sym->name);
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*/
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*out_ptr++ = sym;
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}
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return out_ptr - symbols;
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}
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static void slurp_symtab(const char *filename)
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{
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bfd *abfd;
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symcount = 0;
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abfd = bfd_openr(filename, NULL);
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if (abfd == NULL) {
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fprintf(stderr, "failed to open: %s\n", filename);
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goto no_symbols;
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}
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if (!bfd_check_format(abfd, bfd_object))
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goto no_symbols;
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if (!(bfd_get_file_flags(abfd) & HAS_SYMS))
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goto no_symbols;
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symstorage = bfd_get_symtab_upper_bound(abfd);
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if (symstorage <= 0)
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goto no_symbols;
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symbols = malloc(symstorage);
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if (symbols == NULL)
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goto no_symbols;
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symcount = bfd_canonicalize_symtab(abfd, symbols);
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if (symcount < 0)
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goto no_symbols;
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symcount = remove_useless_symbols(symbols, symcount);
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// bfd_close(abfd);
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return;
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no_symbols:
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fprintf(stderr, "no symbols in %s\n", bfd_get_filename(abfd));
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if (symbols != NULL)
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free(symbols);
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symbols = NULL;
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if (abfd != NULL)
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bfd_close(abfd);
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}
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static const char *lookup_name(bfd_vma addr)
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{
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asymbol **sptr = symbols;
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int i;
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for (i = 0; i < symcount; i++) {
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asymbol *sym = *sptr++;
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if (addr == sym->value + sym->section->vma)
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return sym->name;
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}
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return NULL;
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}
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/* Like target_read_memory, but slightly different parameters. */
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static int
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dis_asm_read_memory(bfd_vma memaddr, bfd_byte *myaddr, unsigned int len,
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struct disassemble_info *info)
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{
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memcpy(myaddr, (void *)(int)memaddr, len);
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return 0;
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}
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static void
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dis_asm_memory_error(int status, bfd_vma memaddr,
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struct disassemble_info *info)
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{
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fprintf(stderr, "memory_error %p\n", (void *)(int)memaddr);
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}
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static void
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dis_asm_print_address(bfd_vma addr, struct disassemble_info *info)
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{
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const char *name;
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printf("%08x", (int)addr);
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name = lookup_name(addr);
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if (name != NULL)
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printf(" <%s>", name);
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}
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static int insn_printf(void *f, const char *format, ...)
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{
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va_list args;
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size_t n;
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va_start(args, format);
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n = vprintf(format, args);
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va_end(args);
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return n;
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}
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static void host_dasm_init(void)
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{
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bfd_init();
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slurp_symtab(g_argv[0]);
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init_disassemble_info(&di, NULL, insn_printf);
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di.flavour = bfd_target_unknown_flavour;
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di.memory_error_func = dis_asm_memory_error;
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di.print_address_func = dis_asm_print_address;
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// di.symbol_at_address_func = dis_asm_symbol_at_address;
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di.read_memory_func = dis_asm_read_memory;
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di.arch = BFD_ARCH;
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di.mach = BFD_MACH;
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di.endian = BFD_ENDIAN_LITTLE;
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disassemble_init_for_target(&di);
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init_done = 1;
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}
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void host_dasm(void *addr, int len)
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{
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bfd_vma vma_end, vma = (bfd_vma)(long)addr;
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const char *name;
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if (!init_done)
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host_dasm_init();
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vma_end = vma + len;
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while (vma < vma_end) {
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name = lookup_name(vma);
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if (name != NULL)
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printf("%s:\n", name);
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printf(" %08lx ", (long)vma);
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vma += print_insn_func(vma, &di);
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printf("\n");
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}
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}
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void host_dasm_new_symbol_(void *addr, const char *name)
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{
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bfd_vma vma = (bfd_vma)(long)addr;
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asymbol *sym, **tmp;
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if (!init_done)
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host_dasm_init();
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if (symbols == NULL)
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return;
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if (symstorage <= symcount * sizeof(symbols[0])) {
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tmp = realloc(symbols, symstorage * 2);
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if (tmp == NULL)
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return;
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symstorage *= 2;
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symbols = tmp;
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}
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symbols[symcount] = calloc(sizeof(*symbols[0]), 1);
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if (symbols[symcount] == NULL)
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return;
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// a HACK (should use correct section), but ohwell
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sym = symbols[symcount];
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sym->section = symbols[0]->section;
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sym->value = vma - sym->section->vma;
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sym->name = name;
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symcount++;
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}
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@ -1,4 +0,0 @@
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void host_dasm(void *addr, int len);
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void host_dasm_new_symbol_(void *addr, const char *name);
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#define host_dasm_new_symbol(sym) \
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host_dasm_new_symbol_(sym, #sym)
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