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Added member_opnd() convenience macro

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Maxime Chevalier-Boisvert 2020-09-30 16:57:54 -04:00 • committed by Alan Wu
parent d7f012666d
commit 851ea46351
2 changed files with 18 additions and 15 deletions
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7
ujit_asm.h
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@ -218,6 +218,13 @@ x86opnd_t imm_opnd(int64_t val);
// Constant pointer operand
x86opnd_t const_ptr_opnd(void* ptr);
// Struct member operand
#define member_opnd(base_reg, struct_type, member_name) mem_opnd( \
8 * sizeof(((struct_type*)0)->member_name), \
base_reg, \
offsetof(struct_type, member_name) \
)
// Code block methods
uint8_t* alloc_exec_mem(size_t mem_size);
void cb_init(codeblock_t* cb, uint8_t* mem_block, size_t mem_size);

26
ujit_compile.c
View file

@ -335,7 +335,7 @@ void gen_putself(codeblock_t* cb, codeblock_t* ocb, ctx_t* ctx)
void gen_getlocal_wc0(codeblock_t* cb, codeblock_t* ocb, ctx_t* ctx)
{
// Load environment pointer EP from CFP
mov(cb, RDX, mem_opnd(64, RDI, 32));
mov(cb, RDX, member_opnd(RDI, rb_control_frame_t, ep));
// Compute the offset from BP to the local
int32_t local_idx = (int32_t)ctx_get_arg(ctx, 0);
@ -365,7 +365,7 @@ void gen_setlocal_wc0(codeblock_t* cb, codeblock_t* ocb, ctx_t* ctx)
*/
// Load environment pointer EP from CFP
mov(cb, RDX, mem_opnd(64, RDI, 32));
mov(cb, RDX, member_opnd(RDI, rb_control_frame_t, ep));
// flags & VM_ENV_FLAG_WB_REQUIRED
x86opnd_t flags_opnd = mem_opnd(64, RDX, 8 * VM_ENV_DATA_INDEX_FLAGS);
@ -397,32 +397,28 @@ void gen_opt_send_without_block(codeblock_t* cb, codeblock_t* ocb, ctx_t* ctx)
const struct rb_callcache *cc = cd->cc;
ID mid = vm_ci_mid(cd->ci);
fprintf(stderr, "jitting method name %s argc: %lu\n", rb_id2name(mid), argc);
//fprintf(stderr, "jitting call to \"%s\", argc: %lu\n", rb_id2name(mid), argc);
if (vm_ci_flag(cd->ci) & VM_CALL_ARGS_SIMPLE) {
fprintf(stderr, "its simple!\n");
// TODO: don't jit calls that aren't simple
// have this codegen function return false, make codegen stop?
if (vm_ci_flag(cd->ci) & VM_CALL_ARGS_SIMPLE)
{
//fprintf(stderr, "simple call\n");
}
mov(cb, RAX, const_ptr_opnd(cd));
x86opnd_t ptr_to_cc = mem_opnd(64, RAX, offsetof(struct rb_call_data, cc));
x86opnd_t ptr_to_cc = member_opnd(RAX, struct rb_call_data, cc);
mov(cb, RAX, ptr_to_cc);
/*
x86opnd_t ptr_to_klass = mem_opnd(64, RAX, offsetof(struct rb_callcache, klass));
x86opnd_t ptr_to_cme_ = mem_opnd(64, RAX, offsetof(struct rb_callcache, cme_));
mov(cb, RBX, ptr_to_klass);
mov(cb, RCX, ptr_to_cme_);
//print_str(cb, rb_id2name(mid));
//print_int(cb, RAX);
// Points to the receiver operand on the stack
x86opnd_t recv = ctx_stack_opnd(ctx, argc);
mov(cb, RDX, recv);
@ -442,7 +438,7 @@ void gen_opt_send_without_block(codeblock_t* cb, codeblock_t* ocb, ctx_t* ctx)
jnz_ptr(cb, side_exit);
print_str(cb, "method entry not invalidated!!!1");
*/