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Introduce version_t struct. Will be needed for code invalidation.

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This commit is contained in:
Maxime Chevalier-Boisvert 2021-01-12 14:56:43 -05:00 • committed by Alan Wu
parent a251059070
commit 3a74011ff8
7 changed files with 187 additions and 172 deletions
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16
ujit_codegen.c
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@ -154,7 +154,7 @@ uint8_t* ujit_compile_entry(const rb_iseq_t *iseq, uint32_t insn_idx)
/*
Compile a sequence of bytecode instructions starting at `insn_idx`.
*/
uint8_t *
void
ujit_compile_block(const rb_iseq_t *iseq, uint32_t insn_idx, ctx_t* ctx, uint32_t* num_instrs)
{
assert (cb != NULL);
@ -170,16 +170,14 @@ ujit_compile_block(const rb_iseq_t *iseq, uint32_t insn_idx, ctx_t* ctx, uint32_
rb_bug("out of executable memory (outlined block)");
}
// Get a pointer to the current write position in the code block
uint8_t *code_ptr = cb_get_ptr(cb, cb->write_pos);
// Last operation that was successfully compiled
opdesc_t* p_last_op = NULL;
// Initialize JIT state object
jitstate_t jit = { 0 };
jit.iseq = iseq;
jit.start_idx = insn_idx;
jitstate_t jit = {
iseq,
insn_idx
};
// For each instruction to compile
for (;;) {
@ -236,8 +234,6 @@ ujit_compile_block(const rb_iseq_t *iseq, uint32_t insn_idx, ctx_t* ctx, uint32_
pc += insn_len(opcode);
}
}
return code_ptr;
}
static bool
@ -1055,7 +1051,7 @@ void
ujit_init_codegen(void)
{
// Initialize the code blocks
size_t mem_size = 128 * 1024 * 1024;
uint32_t mem_size = 128 * 1024 * 1024;
uint8_t* mem_block = alloc_exec_mem(mem_size);
cb = █
cb_init(cb, mem_block, mem_size/2);