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asm: parse: implement label reference generation

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max 🍓
2025-05-14 16:28:37 +01:00
parent a35ae51b2f
commit 3980c9a21f
1 changed files with 17 additions and 18 deletions
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35
asm/parse/block.c
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@@ -147,7 +147,7 @@ static unsigned long long get_register_index(struct ivy_asm_token *tok)
} }
char index_str[5] = {0}; char index_str[5] = {0};
strncpy(index_str + 1, s, sizeof index_str - 1); strncpy(index_str, s + 1, sizeof index_str - 1);
char *ep = NULL; char *ep = NULL;
unsigned long long index = strtoul(index_str, &ep, 10); unsigned long long index = strtoul(index_str, &ep, 10);
@@ -331,17 +331,26 @@ static enum ivy_status write_instruction(
instr.i_arg[i++] = arg->arg_reg.reg_index; instr.i_arg[i++] = arg->arg_reg.reg_index;
break; break;
case ARG_CONST: case ARG_CONST:
instr.i_arg[i++] = arg->arg_const->t_int.v; instr.i_arg[i++] = arg->arg_const->t_int.sign
? arg->arg_const->t_int.v
: arg->arg_const->t_int.uv;
break; break;
case ARG_LABEL: case ARG_LABEL:
instr.i_arg[i++] = 0; instr.i_arg[i++] = 0;
ivy_assembler_put_label_ref(
p->p_assembler, arg->arg_label,
ivy_assembler_get_ptr(p->p_assembler));
break; break;
case ARG_INDEX_REG: case ARG_INDEX_REG:
instr.i_arg[i++] = arg->arg_index_reg.index_offset_reg; instr.i_arg[i++] = arg->arg_index_reg.index_offset_reg;
break; break;
case ARG_INDEX_CONST: case ARG_INDEX_CONST:
instr.i_arg[i++] instr.i_arg[i++]
= arg->arg_index_const.index_offset->t_int.v; = arg->arg_index_const.index_offset->t_int.sign
? arg->arg_index_const.index_offset
->t_int.v
: arg->arg_index_const.index_offset
->t_int.uv;
break; break;
default: default:
return IVY_ERR_BAD_SYNTAX; return IVY_ERR_BAD_SYNTAX;
@@ -372,21 +381,11 @@ static enum ivy_status push_const_arg(
} }
static enum ivy_status push_label( static enum ivy_status push_label(
struct block_parser_state *state, struct ivy_asm_token *tok) struct ivy_asm_parser *p, struct block_parser_state *state,
struct ivy_asm_token *tok)
{ {
struct label *label = malloc(sizeof *label); return ivy_assembler_put_label(
if (!label) { p->p_assembler, tok, ivy_assembler_get_ptr(p->p_assembler));
return IVY_ERR_NO_MEMORY;
}
memset(label, 0x0, sizeof *label);
label->l_name = tok;
/* TODO */
label->l_offset = 0;
b_queue_push_back(&state->s_labels, &label->l_entry);
return IVY_OK;
} }
static enum ivy_status push_label_arg( static enum ivy_status push_label_arg(
@@ -557,7 +556,7 @@ static enum ivy_status parse_label(
return IVY_ERR_BAD_SYNTAX; return IVY_ERR_BAD_SYNTAX;
} }
return push_label(state, tok); return push_label(ctx, state, tok);
} }
static enum ivy_status parse_comma( static enum ivy_status parse_comma(