diff options
Diffstat (limited to 'cooker/emit.c')
| -rw-r--r-- | cooker/emit.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/cooker/emit.c b/cooker/emit.c index c233b0a..3fcddba 100644 --- a/cooker/emit.c +++ b/cooker/emit.c @@ -6,6 +6,7 @@ * * Copyright 2023 Red Hat GmbH * Author: Stefano Brivio <sbrivio@redhat.com> + * Alice Frosi <afrosi@redhat.com> */ #include "cooker.h" @@ -136,6 +137,43 @@ void emit_cmp_field(struct gluten_ctx *g, enum op_cmp_type cmp, jmp); } +/** + * emit_return() - Emit OP_RETURN instruction: return value + * @g: gluten context + * @v: Pointer to return value + */ +void emit_return(struct gluten_ctx *g, struct gluten_offset v) +{ + struct op *op = (struct op *)gluten_ptr(&g->g, g->ip); + struct op_return *ret = &op->op.ret; + + op->type = OP_RETURN; + ret->val = v; + + debug(" %i: OP_RETURN:", g->ip.offset); + + if (++g->ip.offset > INST_MAX) + die("Too many instructions"); +} +/** + * emit_block() - Emit OP_BLOCK instruction: return error value + * @g: gluten context + * @error: Error value + */ +void emit_block(struct gluten_ctx *g, int32_t error) +{ + struct op *op = (struct op *)gluten_ptr(&g->g, g->ip); + struct op_block *block = &op->op.block; + + op->type = OP_BLOCK; + block->error = error; + + debug(" %i: OP_BLOCK: %d", g->ip.offset, error); + + if (++g->ip.offset > INST_MAX) + die("Too many instructions"); +} + struct gluten_offset emit_data(struct gluten_ctx *g, enum type type, size_t str_len, union value *value) { @@ -153,6 +191,16 @@ struct gluten_offset emit_data(struct gluten_ctx *g, enum type type, g->cp.offset += sizeof(int); break; + case U64: + if (g->cp.offset + sizeof(uint64_t) > RO_DATA_SIZE) + die(" Read-only data section exceeded"); + + *(uint64_t *)p = value->v_u64; + debug(" C#%i: (%s) %i", g->cp.offset, type_str[type], + value->v_u64); + + g->cp.offset += sizeof(uint64_t); + break; case STRING: if (g->cp.offset + str_len > RO_DATA_SIZE) die(" Read-only data section exceeded"); |