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| author | Ting-Wei Lan <lantw44@gmail.com> | 2016-01-01 18:14:43 +0800 |
|---|---|---|
| committer | Ting-Wei Lan <lantw44@gmail.com> | 2016-01-02 04:01:13 +0800 |
| commit | c650169df65539e27c2d5907a0167760260cd14e (patch) | |
| tree | 28e90990690ae82719cd460521b3c7f33fdb0a50 | |
| parent | d883f060e2f074c5be1d5685db7a7da4ac404ff9 (diff) | |
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Add .size and .type to all global symbols except for uninitialized variables
| -rw-r--r-- | src/code-generation.c | 26 |
1 files changed, 20 insertions, 6 deletions
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) |