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Started to add debug infos for C functions and symbols.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@5273 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz
2011-08-26 12:05:00 +00:00
parent c2d859b9f3
commit 2fbebd25cf
4 changed files with 170 additions and 7 deletions
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120
src/ca65/dbginfo.c
View File

@@ -104,6 +104,63 @@ void DbgInfoFile (void)
void DbgInfoFunc (void)
/* Parse and handle func subcommand of the .dbg pseudo instruction */
{
static const char* StorageKeys[] = {
"EXTERN",
"STATIC",
};
StrBuf Name = STATIC_STRBUF_INITIALIZER;
StrBuf AsmName = STATIC_STRBUF_INITIALIZER;
int StorageClass;
/* Parameters are separated by a comma */
ConsumeComma ();
/* Name */
if (CurTok.Tok != TOK_STRCON) {
ErrorSkip ("String constant expected");
return;
}
SB_Copy (&Name, &CurTok.SVal);
NextTok ();
/* Comma expected */
ConsumeComma ();
/* The storage class follows */
if (CurTok.Tok != TOK_IDENT) {
ErrorSkip ("Storage class specifier expected");
return;
}
StorageClass = GetSubKey (StorageKeys, sizeof (StorageKeys)/sizeof (StorageKeys[0]));
if (StorageClass < 0) {
ErrorSkip ("Storage class specifier expected");
return;
}
NextTok ();
/* Comma expected */
ConsumeComma ();
/* Assembler name follows */
if (CurTok.Tok != TOK_STRCON) {
ErrorSkip ("String constant expected");
return;
}
SB_Copy (&AsmName, &CurTok.SVal);
NextTok ();
/* Free memory used for the strings */
SB_Done (&AsmName);
SB_Done (&Name);
}
void DbgInfoLine (void)
/* Parse and handle LINE subcommand of the .dbg pseudo instruction */
{
@@ -158,7 +215,68 @@ void DbgInfoLine (void)
void DbgInfoSym (void)
/* Parse and handle SYM subcommand of the .dbg pseudo instruction */
{
ErrorSkip ("Not implemented");
static const char* StorageKeys[] = {
"AUTO",
"EXTERN",
"REGISTER",
"STATIC",
};
StrBuf Name = STATIC_STRBUF_INITIALIZER;
StrBuf AsmName = STATIC_STRBUF_INITIALIZER;
int StorageClass;
int Offs;
/* Parameters are separated by a comma */
ConsumeComma ();
/* Name */
if (CurTok.Tok != TOK_STRCON) {
ErrorSkip ("String constant expected");
return;
}
SB_Copy (&Name, &CurTok.SVal);
NextTok ();
/* Comma expected */
ConsumeComma ();
/* The storage class follows */
if (CurTok.Tok != TOK_IDENT) {
ErrorSkip ("Storage class specifier expected");
return;
}
StorageClass = GetSubKey (StorageKeys, sizeof (StorageKeys)/sizeof (StorageKeys[0]));
if (StorageClass < 0) {
ErrorSkip ("Storage class specifier expected");
return;
}
/* Skip the storage class token and the following comma */
NextTok ();
ConsumeComma ();
/* The next tokens depend on the storage class */
if (StorageClass == 0) {
/* Auto: Stack offset follows */
Offs = ConstExpression ();
} else if (StorageClass == 2) {
/* Register: Register bank offset follows */
Offs = ConstExpression ();
} else {
/* Extern or static: Assembler name follows */
if (CurTok.Tok != TOK_STRCON) {
ErrorSkip ("String constant expected");
return;
}
SB_Copy (&AsmName, &CurTok.SVal);
NextTok ();
}
/* Free memory used for the strings */
SB_Done (&AsmName);
SB_Done (&Name);
}

3
src/ca65/dbginfo.h
View File

@@ -47,6 +47,9 @@
void DbgInfoFile (void);
/* Parse and handle FILE subcommand of the .dbg pseudo instruction */
void DbgInfoFunc (void);
/* Parse and handle FUNC subcommand of the .dbg pseudo instruction */
void DbgInfoLine (void);
/* Parse and handle LINE subcommand of the .dbg pseudo instruction */

6
src/ca65/pseudo.c
View File

@@ -753,6 +753,7 @@ static void DoDbg (void)
{
static const char* Keys[] = {
"FILE",
"FUNC",
"LINE",
"SYM",
};
@@ -774,8 +775,9 @@ static void DoDbg (void)
/* Check the key and dispatch to a handler */
switch (Key) {
case 0: DbgInfoFile (); break;
case 1: DbgInfoLine (); break;
case 2: DbgInfoSym (); break;
case 1: DbgInfoFunc (); break;
case 2: DbgInfoLine (); break;
case 3: DbgInfoSym (); break;
default: ErrorSkip ("Syntax error"); break;
}
}