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initial x86-64 host support (Gwenole Beauchesne)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@670 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-03-17 23:46:04 +00:00
parent 5069146392
commit bc51c5c989
17 changed files with 3623 additions and 1323 deletions
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43
dyngen.c
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@ -37,6 +37,13 @@
#define elf_check_arch(x) ( ((x) == EM_386) || ((x) == EM_486) )
#undef ELF_USES_RELOCA
#elif defined(HOST_AMD64)
#define ELF_CLASS ELFCLASS64
#define ELF_ARCH EM_X86_64
#define elf_check_arch(x) ((x) == EM_X86_64)
#define ELF_USES_RELOCA
#elif defined(HOST_PPC)
#define ELF_CLASS ELFCLASS32
@ -446,6 +453,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
start_offset = offset;
switch(ELF_ARCH) {
case EM_386:
case EM_X86_64:
{
int len;
len = p_end - p_start;
@ -766,6 +774,41 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
}
}
}
#elif defined(HOST_AMD64)
{
char name[256];
int type;
int addend;
for(i = 0, rel = relocs;i < nb_relocs; i++, rel++) {
if (rel->r_offset >= start_offset &&
rel->r_offset < start_offset + copy_size) {
sym_name = strtab + symtab[ELFW(R_SYM)(rel->r_info)].st_name;
if (strstart(sym_name, "__op_param", &p)) {
snprintf(name, sizeof(name), "param%s", p);
} else {
snprintf(name, sizeof(name), "(long)(&%s)", sym_name);
}
type = ELF32_R_TYPE(rel->r_info);
addend = rel->r_addend;
switch(type) {
case R_X86_64_32:
fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (uint32_t)%s + %d;\n",
rel->r_offset - start_offset, name, addend);
break;
case R_X86_64_32S:
fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (int32_t)%s + %d;\n",
rel->r_offset - start_offset, name, addend);
break;
case R_X86_64_PC32:
fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s - (long)(gen_code_ptr + %d) + %d;\n",
rel->r_offset - start_offset, name, rel->r_offset - start_offset, addend);
break;
default:
error("unsupported AMD64 relocation (%d)", type);
}
}
}
}
#elif defined(HOST_PPC)
{
char name[256];