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authorAsh Wolf <ninji@wuffs.org>2023-01-26 11:30:47 +0000
committerAsh Wolf <ninji@wuffs.org>2023-01-26 11:30:47 +0000
commit094b96ca1df4a035b5f93c351f773306c0241f3f (patch)
tree95ce05e3ebe816c7ee7996206bb37ea17d8ca33c /compiler_and_linker/unsorted/GCCInlineAsm.c
parentfc0c4c0df7b583b55a08317cf1ef6a71d27c0440 (diff)
downloadMWCC-main.tar.gz
MWCC-main.zip
move lots of source files around to match their actual placement in the original treemain
Diffstat (limited to 'compiler_and_linker/unsorted/GCCInlineAsm.c')
-rw-r--r--compiler_and_linker/unsorted/GCCInlineAsm.c230
1 files changed, 0 insertions, 230 deletions
diff --git a/compiler_and_linker/unsorted/GCCInlineAsm.c b/compiler_and_linker/unsorted/GCCInlineAsm.c
deleted file mode 100644
index 897df9b..0000000
--- a/compiler_and_linker/unsorted/GCCInlineAsm.c
+++ /dev/null
@@ -1,230 +0,0 @@
-#include "compiler/GCCInlineAsm.h"
-#include "compiler/CError.h"
-#include "compiler/CExpr.h"
-#include "compiler/CFunc.h"
-#include "compiler/CInt64.h"
-#include "compiler/CParser.h"
-#include "compiler/CPrep.h"
-#include "compiler/CPrepTokenizer.h"
-#include "compiler/InlineAsm.h"
-#include "compiler/objects.h"
-
-Statement *first_ST_ASM;
-IALookupResult gcc_name_list[20];
-int gcc_name_list_index;
-
-void InlineAsm_SkipComment(void) {
- while (1) {
- if (tk != '/')
- break;
- if (lookahead() != '*')
- break;
-
- tk = lex();
- while (!((tk = lex()) == '*' && (tk = lex()) == '/')) {
- // nothing
- }
- tk = lex();
- }
-}
-
-static char gcc_parse_attribute(void) {
- char ch;
-
- while (tk == TK_EOL)
- tk = lex();
-
- if (tk != '"')
- CError_Error(CErrorStr105);
-
- while ((tk = lex()) != TK_IDENTIFIER) {
- // nothing
- }
-
- ch = tkidentifier->name[0];
-
- if ((tk = lex()) != '"')
- CError_Error(CErrorStr105);
- tk = lex();
-
- return ch;
-}
-
-static void gcc_parse_name(Boolean flag, char attribute) {
- IALookupResult *nameentry;
- ENode *expr;
- Object *tempobj;
- ENode *tempexpr;
- Statement *stmt;
-
- while (tk == TK_EOL)
- tk = lex();
-
- if (tk != '(')
- CError_Error(CErrorStr114);
-
- tk = lex();
-
- if (flag) {
- if (tk != TK_IDENTIFIER)
- CError_Error(CErrorStr105);
-
- InlineAsm_LookupSymbol(tkidentifier, &gcc_name_list[++gcc_name_list_index]);
- if (gcc_name_list[gcc_name_list_index].object && gcc_name_list[gcc_name_list_index].object->u.var.info)
- gcc_name_list[gcc_name_list_index].object->u.var.info->used = 1;
-
- tk = lex();
- } else {
- in_assembler = 0;
- cprep_nostring = 0;
- nameentry = &gcc_name_list[++gcc_name_list_index];
-
- expr = expression();
- if (attribute == 'i' || attribute == 'I') {
- if (!ENODE_IS(expr, EINTCONST))
- CError_Error(CErrorStr144);
- nameentry->value = CInt64_GetULong(&expr->data.intval);
- nameentry->has_value = 1;
- } else {
- tempobj = create_temp_object(expr->rtype);
- tempexpr = create_objectnode(tempobj);
- if (tempobj->u.var.info)
- tempobj->u.var.info->used = 1;
- expr = makediadicnode(tempexpr, expr, EASS);
-
- stmt = CFunc_InsertBeforeStatement(ST_EXPRESSION, first_ST_ASM);
- first_ST_ASM = stmt->next;
- if (!first_ST_ASM->next)
- curstmt = first_ST_ASM;
- stmt->expr = expr;
-
- nameentry->name = tempobj->name;
- nameentry->object = tempobj;
- nameentry->label = NULL;
- nameentry->type = NULL;
- nameentry->has_value = 0;
- }
- }
-
- cprep_nostring = 1;
- in_assembler = 1;
-
- if (tk != ')')
- CError_Error(CErrorStr115);
- tk = lex();
-}
-
-static void gcc_parse_expression(Boolean flag) {
- while (1) {
- gcc_parse_name(flag, gcc_parse_attribute());
- if (tk != ',')
- break;
- tk = lex();
- }
-}
-
-static void gcc_parse_input(void) {
- if (tk == ':') {
- if ((tk = lex()) == ':' || tk == ')' || tk == '}')
- return;
- gcc_parse_expression(0);
- }
-}
-
-static void gcc_parse_output(void) {
- if (tk == ':') {
- if ((tk = lex()) == ':' || tk == ')' || tk == '}')
- return;
- gcc_parse_expression(1);
- }
-}
-
-static void gcc_parse_killed(void) {
- if (tk == ':') {
- while (1) {
- if ((tk = lex()) != '"')
- return;
-
- tk = lex();
- while (1) {
- if (tk == '"') {
- if (lookahead() == ',') {
- tk = lex();
- break;
- }
- tk = lex();
- return;
- }
- tk = lex();
- }
- }
- }
-}
-
-static void gcc_replace_arg_st_asm(Statement *stmt) {
- InlineAsm *ia;
- int i;
- IAOperand *op;
- short effect;
- short rclass;
- SInt32 num;
-
- if ((ia = (InlineAsm *) stmt->expr)) {
- for (i = 0, op = ia->args; i < ia->argcount; i++, op++) {
- switch (op->type) {
- case IAOpnd_Imm:
- case IAOpnd_Reg:
- case IAOpnd_3:
- case IAOpnd_4:
- case IAOpnd_Lab:
- break;
-
- case IAOpnd_6:
- if (op->u.unk6.unk4 == 2) {
- effect = op->u.unk6.effect;
- rclass = op->u.unk6.rclass;
- num = op->u.unk6.num;
- op->type = IAOpnd_Reg;
- op->u.reg.effect = effect;
- op->u.reg.rclass = rclass;
- op->u.reg.object = NULL;
- if (num <= gcc_name_list_index)
- op->u.reg.object = gcc_name_list[num].object;
- else
- CError_Error(CErrorStr144);
- op->u.reg.num = 0;
- } else {
- CError_FATAL(365);
- }
- break;
-
- case IAOpnd_7:
- op->type = IAOpnd_Imm;
- op->u.imm.value = gcc_name_list[op->u.unk7.value].value;
- break;
- }
- }
- }
-}
-
-static void gcc_replace_arg(void) {
- Statement *stmt;
-
- for (stmt = first_ST_ASM; stmt; stmt = stmt->next) {
- if (stmt->type == ST_ASM)
- gcc_replace_arg_st_asm(stmt);
- }
-}
-
-void InlineAsm_gcc_parse(void) {
- gcc_name_list_index = -1;
- cprep_eoltokens = 0;
-
- if (tk == TK_EOL)
- tk = lex();
-
- gcc_parse_output();
- gcc_parse_input();
- gcc_parse_killed();
- gcc_replace_arg();
-}