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Worked on high level language symbol info.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@5279 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz 2011-08-29 18:55:03 +00:00
parent 2e7afb6a8d
commit 305cf64d40
3 changed files with 83 additions and 38 deletions
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116
src/ca65/dbginfo.c
View File

@ -36,15 +36,18 @@
#include <string.h>
/* common */
#include "coll.h"
#include "hldbgsym.h"
#include "strbuf.h"
/* ca65 */
#include "dbginfo.h"
#include "error.h"
#include "expr.h"
#include "filetab.h"
#include "lineinfo.h"
#include "nexttok.h"
#include "dbginfo.h"
#include "symtab.h"
@ -57,6 +60,9 @@
/* The current line info */
static LineInfo* CurLineInfo = 0;
/* List of high level language debug symbols */
static Collection HLDbgSyms = STATIC_COLLECTION_INITIALIZER;
/*****************************************************************************/
@ -65,6 +71,26 @@ static LineInfo* CurLineInfo = 0;
static HLDbgSym* NewHLDbgSym (unsigned Flags, unsigned Name, unsigned Type)
/* Allocate and return a new HLDbgSym structure */
{
/* Allocate memory */
HLDbgSym* S = xmalloc (sizeof (*S));
/* Initialize the fields as necessary */
S->Flags = Flags;
S->Name = Name;
S->AsmName = EMPTY_STRING_ID;
S->Offs = 0;
S->Type = Type;
S->ScopeId = CurrentScope->Id;
/* Return the result */
return S;
}
void DbgInfoFile (void)
/* Parse and handle FILE subcommand of the .dbg pseudo instruction */
{
@ -112,10 +138,11 @@ void DbgInfoFunc (void)
"STATIC",
};
StrBuf Name = STATIC_STRBUF_INITIALIZER;
StrBuf Type = STATIC_STRBUF_INITIALIZER;
StrBuf AsmName = STATIC_STRBUF_INITIALIZER;
int StorageClass;
unsigned Name;
unsigned Type;
unsigned AsmName;
unsigned Flags;
HLDbgSym* S;
/* Parameters are separated by a comma */
@ -126,7 +153,7 @@ void DbgInfoFunc (void)
ErrorSkip ("String constant expected");
return;
}
SB_Copy (&Name, &CurTok.SVal);
Name = GetStrBufId (&CurTok.SVal);
NextTok ();
/* Comma expected */
@ -137,7 +164,7 @@ void DbgInfoFunc (void)
ErrorSkip ("String constant expected");
return;
}
SB_Copy (&Type, &CurTok.SVal);
Type = GetStrBufId (&CurTok.SVal);
NextTok ();
/* Comma expected */
@ -148,10 +175,10 @@ void DbgInfoFunc (void)
ErrorSkip ("Storage class specifier expected");
return;
}
StorageClass = GetSubKey (StorageKeys, sizeof (StorageKeys)/sizeof (StorageKeys[0]));
if (StorageClass < 0) {
ErrorSkip ("Storage class specifier expected");
return;
switch (GetSubKey (StorageKeys, sizeof (StorageKeys)/sizeof (StorageKeys[0]))) {
case 0: Flags = HL_TYPE_FUNC | HL_SC_EXTERN; break;
case 1: Flags = HL_TYPE_FUNC | HL_SC_STATIC; break;
default: ErrorSkip ("Storage class specifier expected"); return;
}
NextTok ();
@ -163,13 +190,23 @@ void DbgInfoFunc (void)
ErrorSkip ("String constant expected");
return;
}
SB_Copy (&AsmName, &CurTok.SVal);
AsmName = GetStrBufId (&CurTok.SVal);
NextTok ();
/* Free memory used for the strings */
SB_Done (&AsmName);
SB_Done (&Type);
SB_Done (&Name);
/* There may only be one function per scope */
if (CurrentScope == RootScope) {
ErrorSkip ("Functions may not be used in the root scope");
return;
} else if (CurrentScope->Flags & ST_EXTFUNC) {
ErrorSkip ("Only one function per scope allowed");
return;
}
CurrentScope->Flags |= ST_EXTFUNC;
/* Add the function */
S = NewHLDbgSym (Flags, Name, Type);
S->AsmName = AsmName;
CollAppend (&HLDbgSyms, S);
}
@ -235,11 +272,12 @@ void DbgInfoSym (void)
"STATIC",
};
StrBuf Name = STATIC_STRBUF_INITIALIZER;
StrBuf Type = STATIC_STRBUF_INITIALIZER;
StrBuf AsmName = STATIC_STRBUF_INITIALIZER;
int StorageClass;
unsigned Name;
unsigned Type;
unsigned AsmName = EMPTY_STRING_ID;
unsigned Flags;
int Offs;
HLDbgSym* S;
/* Parameters are separated by a comma */
@ -250,7 +288,7 @@ void DbgInfoSym (void)
ErrorSkip ("String constant expected");
return;
}
SB_Copy (&Name, &CurTok.SVal);
Name = GetStrBufId (&CurTok.SVal);
NextTok ();
/* Comma expected */
@ -261,7 +299,7 @@ void DbgInfoSym (void)
ErrorSkip ("String constant expected");
return;
}
SB_Copy (&Type, &CurTok.SVal);
Type = GetStrBufId (&CurTok.SVal);
NextTok ();
/* Comma expected */
@ -272,10 +310,12 @@ void DbgInfoSym (void)
ErrorSkip ("Storage class specifier expected");
return;
}
StorageClass = GetSubKey (StorageKeys, sizeof (StorageKeys)/sizeof (StorageKeys[0]));
if (StorageClass < 0) {
ErrorSkip ("Storage class specifier expected");
return;
switch (GetSubKey (StorageKeys, sizeof (StorageKeys)/sizeof (StorageKeys[0]))) {
case 0: Flags = HL_SC_AUTO; break;
case 1: Flags = HL_SC_EXTERN; break;
case 2: Flags = HL_SC_REG; break;
case 3: Flags = HL_SC_STATIC; break;
default: ErrorSkip ("Storage class specifier expected"); return;
}
/* Skip the storage class token and the following comma */
@ -283,26 +323,30 @@ void DbgInfoSym (void)
ConsumeComma ();
/* The next tokens depend on the storage class */
if (StorageClass == 0) {
if (Flags == HL_SC_AUTO) {
/* Auto: Stack offset follows */
Offs = ConstExpression ();
} else if (StorageClass == 2) {
/* Register: Register bank offset follows */
Offs = ConstExpression ();
} else {
/* Extern or static: Assembler name follows */
/* Register, extern or static: Assembler name follows */
if (CurTok.Tok != TOK_STRCON) {
ErrorSkip ("String constant expected");
return;
}
SB_Copy (&AsmName, &CurTok.SVal);
AsmName = GetStrBufId (&CurTok.SVal);
NextTok ();
/* For register, an offset follows */
if (Flags == HL_SC_REG) {
ConsumeComma ();
Offs = ConstExpression ();
}
}
/* Free memory used for the strings */
SB_Done (&AsmName);
SB_Done (&Type);
SB_Done (&Name);
/* Add the function */
S = NewHLDbgSym (Flags | HL_TYPE_SYM, Name, Type);
S->AsmName = AsmName;
S->Offs = Offs;
CollAppend (&HLDbgSyms, S);
}

1
src/ca65/symtab.h
View File

@ -58,6 +58,7 @@
/* Symbol table flags */
#define ST_NONE 0x00 /* No flags */
#define ST_DEFINED 0x01 /* Scope has been defined */
#define ST_EXTFUNC 0x02 /* External debug function assigned */
/* A symbol table */
typedef struct SymTable SymTable;

4
src/cc65/function.c
View File

@ -355,7 +355,7 @@ static void F_RestoreRegVars (Function* F)
if (!F_HasVoidReturn (F)) {
g_restore (CF_CHAR | CF_FORCECHAR);
}
}
}
@ -381,7 +381,7 @@ static void EmitDebugInfo (void)
AddTextLine ("\t.dbg\tsym, \"%s\", \"\", auto, %d",
Sym->Name, Sym->V.Offs);
} else if (Sym->Flags & SC_REGISTER) {
AddTextLine ("\t.dbg\tsym, \"%s\", \"\", register, %d",
AddTextLine ("\t.dbg\tsym, \"%s\", \"\", register, \"regbank\", %d",
Sym->Name, Sym->V.R.RegOffs);
} else {