From c650169df65539e27c2d5907a0167760260cd14e Mon Sep 17 00:00:00 2001
From: Ting-Wei Lan <lantw44@gmail.com>
Date: Fri, 1 Jan 2016 18:14:43 +0800
Subject: Add .size and .type to all global symbols except for uninitialized
variables
---
src/code-generation.c | 26 ++++++++++++++++++++------
1 file changed, 20 insertions(+), 6 deletions(-)
(limited to 'src/code-generation.c')
diff --git a/src/code-generation.c b/src/code-generation.c
index 7abf51b..bd1e490 100644
--- a/src/code-generation.c
+++ b/src/code-generation.c
@@ -31,7 +31,11 @@ static void generate_global_variable(CcmmcAst *global_decl, CcmmcState *state)
} break;
case CCMMC_KIND_ID_WITH_INIT: {
CcmmcAst *init_value = var_decl->child;
- fprintf(state->asm_output, "\t.size\t%s, 4\n", var_sym->name);
+ fprintf(state->asm_output,
+ "\t.type\t%s, %%object\n"
+ "\t.size\t%s, 4\n"
+ "\t.global\t%s\n",
+ var_sym->name, var_sym->name, var_sym->name);
if (var_sym->type.type_base == CCMMC_AST_VALUE_INT) {
int int_value;
if (init_value->type_node == CCMMC_AST_NODE_CONST_VALUE) {
@@ -45,8 +49,9 @@ static void generate_global_variable(CcmmcAst *global_decl, CcmmcState *state)
assert(false);
}
fprintf(state->asm_output,
- "\t.global\t%s\n%s:\n\t.word\t%d\n",
- var_sym->name, var_sym->name, int_value);
+ "%s:\n"
+ "\t.word\t%d\n",
+ var_sym->name, int_value);
} else if (var_sym->type.type_base == CCMMC_AST_VALUE_FLOAT) {
float float_value;
if (init_value->type_node == CCMMC_AST_NODE_CONST_VALUE) {
@@ -60,8 +65,9 @@ static void generate_global_variable(CcmmcAst *global_decl, CcmmcState *state)
assert(false);
}
fprintf(state->asm_output,
- "\t.global\t%s\n%s:\n\t.float\t%.9g\n",
- var_sym->name, var_sym->name, float_value);
+ "%s:\n"
+ "\t.float\t%.9g\n",
+ var_sym->name, float_value);
} else {
assert(false);
}
@@ -195,12 +201,20 @@ static void generate_block(
static void generate_function(CcmmcAst *function, CcmmcState *state)
{
fputs("\t.text\n\t.align\t2\n", state->asm_output);
- fprintf(state->asm_output, "\t.global\t%s\n%s:\n",
+ fprintf(state->asm_output,
+ "\t.type\t%s, %%function\n"
+ "\t.global\t%s\n"
+ "%s:\n",
+ function->child->right_sibling->value_id.name,
function->child->right_sibling->value_id.name,
function->child->right_sibling->value_id.name);
CcmmcAst *param_node = function->child->right_sibling->right_sibling;
CcmmcAst *block_node = param_node->right_sibling;
generate_block(block_node, state, 0);
+ fprintf(state->asm_output,
+ "\t.size\t%s, .-%s\n",
+ function->child->right_sibling->value_id.name,
+ function->child->right_sibling->value_id.name);
}
static void generate_program(CcmmcState *state)
--
cgit