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Working on the new backend

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git-svn-id: svn://svn.cc65.org/cc65/trunk@716 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2001-05-05 14:30:29 +00:00
parent e6484f85c7
commit 3ff4baeafb
10 changed files with 138 additions and 127 deletions
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28
src/cc65/codegen.c
View File

@ -143,32 +143,32 @@ void g_preamble (void)
PushSegments (0);
/* Identify the compiler version */
AddDataLine ("; File generated by cc65 v %u.%u.%u",
VER_MAJOR, VER_MINOR, VER_PATCH);
AddTextLine ("; File generated by cc65 v %u.%u.%u",
VER_MAJOR, VER_MINOR, VER_PATCH);
/* Insert some object file options */
AddDataLine (".fopt\t\tcompiler,\"cc65 v %u.%u.%u\"",
VER_MAJOR, VER_MINOR, VER_PATCH);
AddTextLine (".fopt\t\tcompiler,\"cc65 v %u.%u.%u\"",
VER_MAJOR, VER_MINOR, VER_PATCH);
/* If we're producing code for some other CPU, switch the command set */
if (CPU == CPU_65C02) {
AddDataLine (".pc02");
AddTextLine (".pc02");
}
/* Allow auto import for runtime library routines */
AddDataLine (".autoimport\ton");
AddTextLine (".autoimport\ton");
/* Switch the assembler into case sensitive mode */
AddDataLine (".case\t\ton");
AddTextLine (".case\t\ton");
/* Tell the assembler if we want to generate debug info */
AddDataLine (".debuginfo\t%s", (DebugInfo != 0)? "on" : "off");
AddTextLine (".debuginfo\t%s", (DebugInfo != 0)? "on" : "off");
/* Import the stack pointer for direct auto variable access */
AddDataLine (".importzp\tsp, sreg, regsave, regbank, tmp1, ptr1");
AddTextLine (".importzp\tsp, sreg, regsave, regbank, tmp1, ptr1");
/* Define long branch macros */
AddDataLine (".macpack\tlongbranch");
AddTextLine (".macpack\tlongbranch");
}
@ -318,9 +318,9 @@ void g_defexport (const char* Name, int ZP)
/* Export the given label */
{
if (ZP) {
AddDataLine ("\t.exportzp\t_%s", Name);
AddTextLine ("\t.exportzp\t_%s", Name);
} else {
AddDataLine ("\t.export\t\t_%s", Name);
AddTextLine ("\t.export\t\t_%s", Name);
}
}
@ -330,9 +330,9 @@ void g_defimport (const char* Name, int ZP)
/* Import the given label */
{
if (ZP) {
AddDataLine ("\t.importzp\t_%s", Name);
AddTextLine ("\t.importzp\t_%s", Name);
} else {
AddDataLine ("\t.import\t\t_%s", Name);
AddTextLine ("\t.import\t\t_%s", Name);
}
}

16
src/cc65/codeseg.c
View File

@ -6,10 +6,10 @@
/* */
/* */
/* */
/* (C) 2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* (C) 2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
@ -321,14 +321,6 @@ CodeSeg* NewCodeSeg (const char* SegName, SymEntry* Func)
void FreeCodeSeg (CodeSeg* S)
/* Free a code segment including all code entries */
{
Internal ("Not implemented");
}
void AddCodeEntry (CodeSeg* S, const char* Format, va_list ap)
/* Add a line to the given code segment */
{

13
src/cc65/codeseg.h
View File

@ -6,10 +6,10 @@
/* */
/* */
/* */
/* (C) 2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* (C) 2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
@ -37,7 +37,7 @@
#define CODESEG_H
#include <stdarg.h>
#include <stdio.h>
@ -81,9 +81,6 @@ struct CodeSeg {
CodeSeg* NewCodeSeg (const char* SegName, SymEntry* Func);
/* Create a new code segment, initialize and return it */
void FreeCodeSeg (CodeSeg* S);
/* Free a code segment including all code entries */
void AddCodeEntry (CodeSeg* S, const char* Format, va_list ap) attribute ((format(printf,2,0)));
/* Add a line to the given code segment */

16
src/cc65/dataseg.c
View File

@ -6,10 +6,10 @@
/* */
/* */
/* */
/* (C) 2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* (C) 2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
@ -67,14 +67,6 @@ DataSeg* NewDataSeg (const char* Name, SymEntry* Func)
void FreeDataSeg (DataSeg* S)
/* Free a data segment including all line entries */
{
Internal ("Not implemented");
}
void AppendDataSeg (DataSeg* Target, const DataSeg* Source)
/* Append the data from Source to Target */
{

15
src/cc65/dataseg.h
View File

@ -1,15 +1,15 @@
/*****************************************************************************/
/* */
/* dataseg.h */
/* dataseg.h */
/* */
/* Data segment structure */
/* Data segment structure */
/* */
/* */
/* */
/* (C) 2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* (C) 2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
@ -74,9 +74,6 @@ struct DataSeg {
DataSeg* NewDataSeg (const char* SegName, SymEntry* Func);
/* Create a new data segment, initialize and return it */
void FreeDataSeg (DataSeg* S);
/* Free a data segment including all line entries */
void AppendDataSeg (DataSeg* Target, const DataSeg* Source);
/* Append the data from Source to Target. */

1
src/cc65/make/gcc.mak
View File

@ -62,6 +62,7 @@ OBJS = anonname.o \
stmt.o \
symentry.o \
symtab.o \
textseg.o \
typecmp.o \
util.o

17
src/cc65/segments.c
View File

@ -45,6 +45,7 @@
/* cc65 */
#include "codeseg.h"
#include "dataseg.h"
#include "textseg.h"
#include "segments.h"
@ -125,6 +126,7 @@ static Segments* NewSegments (SymEntry* Func)
Segments* S = xmalloc (sizeof (Segments));
/* Initialize the fields */
S->Text = NewTextSeg (Func);
S->Code = NewCodeSeg (SegmentNames[SEG_CODE], Func);
S->Data = NewDataSeg (SegmentNames[SEG_DATA], Func);
S->ROData = NewDataSeg (SegmentNames[SEG_RODATA], Func);
@ -190,6 +192,18 @@ struct DataSeg* GetDataSeg (void)
void AddTextLine (const char* Format, ...)
/* Add a line of code to the current text segment */
{
va_list ap;
va_start (ap, Format);
CHECK (CS != 0);
AddTextEntry (CS->Text, Format, ap);
va_end (ap);
}
void AddCodeLine (const char* Format, ...)
/* Add a line of code to the current code segment */
{
@ -237,6 +251,9 @@ void OutputSegments (const Segments* S, FILE* F)
PrintFunctionHeader (S->Code->Func, F);
}
/* Output the text segment */
OutputTextSeg (S->Text, F);
/* Output the three data segments */
OutputDataSeg (S->Data, F);
OutputDataSeg (S->ROData, F);

7
src/cc65/segments.h
View File

@ -53,12 +53,13 @@
struct CodeSeg;
struct DataSeg;
struct TextSeg;
struct SymEntry;
/*****************************************************************************/
/* Data */
/* Data */
/*****************************************************************************/
@ -75,6 +76,7 @@ typedef enum segment_t {
/* A list of all segments used when generating code */
typedef struct Segments Segments;
struct Segments {
struct TextSeg* Text; /* Text segment */
struct CodeSeg* Code; /* Code segment */
struct DataSeg* Data; /* Data segment */
struct DataSeg* ROData; /* Readonly data segment */
@ -114,6 +116,9 @@ void UseDataSeg (segment_t DSeg);
struct DataSeg* GetDataSeg (void);
/* Return the current data segment */
void AddTextLine (const char* Format, ...) attribute ((format (printf, 1, 2)));
/* Add a line of code to the current text segment */
void AddCodeLine (const char* Format, ...) attribute ((format (printf, 1, 2)));
/* Add a line of code to the current code segment */

88
src/cc65/segname.c → src/cc65/textseg.c
View File

@ -1,12 +1,12 @@
/*****************************************************************************/
/* */
/* segname.c */
/* textseg.c */
/* */
/* Segment name management */
/* Text segment structure */
/* */
/* */
/* */
/* (C) 2000 Ullrich von Bassewitz */
/* (C) 2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@cc65.org */
@ -33,76 +33,76 @@
#include <string.h>
/* Note: This is NOT some sort of code segment, it is used to store lines of
* output that are textual (not real code) instead.
*/
/* common */
#include "chartype.h"
#include "check.h"
#include "xmalloc.h"
#include "xsprintf.h"
/* cc65 */
#include "segname.h"
#include "textseg.h"
/*****************************************************************************/
/* Data */
/* Code */
/*****************************************************************************/
/* Actual names for the segments */
char* SegmentNames[SEG_COUNT];
/*****************************************************************************/
/* Code */
/*****************************************************************************/
void InitSegNames (void)
/* Initialize the segment names */
TextSeg* NewTextSeg (SymEntry* Func)
/* Create a new text segment, initialize and return it */
{
SegmentNames [SEG_BSS] = xstrdup ("BSS");
SegmentNames [SEG_CODE] = xstrdup ("CODE");
SegmentNames [SEG_DATA] = xstrdup ("DATA");
SegmentNames [SEG_RODATA] = xstrdup ("RODATA");
/* Allocate memory for the structure */
TextSeg* S = xmalloc (sizeof (TextSeg));
/* Initialize the fields */
S->Func = Func;
InitCollection (&S->Lines);
/* Return the new struct */
return S;
}
void NewSegName (segment_t Seg, const char* Name)
/* Set a new name for a segment */
void AddTextEntry (TextSeg* S, const char* Format, va_list ap)
/* Add a line to the given text segment */
{
/* Check the parameter */
CHECK (Seg != SEG_INV);
/* Format the line */
char Buf [256];
xvsprintf (Buf, sizeof (Buf), Format, ap);
/* Free the old name and set a new one */
xfree (SegmentNames [Seg]);
SegmentNames [Seg] = xstrdup (Name);
/* Add a copy to the data segment */
CollAppend (&S->Lines, xstrdup (Buf));
}
int ValidSegName (const char* Name)
/* Return true if the given segment name is valid, return false otherwise */
void OutputTextSeg (const TextSeg* S, FILE* F)
/* Output the text segment data to a file */
{
/* Must start with '_' or a letter */
if ((*Name != '_' && !IsAlpha(*Name)) || strlen(Name) > 80) {
return 0;
unsigned I;
/* Get the number of entries in this segment */
unsigned Count = CollCount (&S->Lines);
/* If the segment is actually empty, bail out */
if (Count == 0) {
return;
}
/* Can have letters, digits or the underline */
while (*++Name) {
if (*Name != '_' && !IsAlNum(*Name)) {
return 0;
}
/* Output all entries */
for (I = 0; I < Count; ++I) {
fprintf (F, "%s\n", (const char*) CollConstAt (&S->Lines, I));
}
/* Name is ok */
return 1;
/* Add an additional newline after the segment output */
fprintf (F, "\n");
}

64
src/cc65/segname.h → src/cc65/textseg.h
View File

@ -1,12 +1,12 @@
/*****************************************************************************/
/* */
/* segname.h */
/* textseg.h */
/* */
/* Segment name management */
/* Text segment structure */
/* */
/* */
/* */
/* (C) 2000 Ullrich von Bassewitz */
/* (C) 2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@cc65.org */
@ -33,51 +33,61 @@
#ifndef SEGNAME_H
#define SEGNAME_H
/* Note: This is NOT some sort of code segment, it is used to store lines of
* output that are textual (not real code) instead.
*/
#ifndef TEXTSEG_H
#define TEXTSEG_H
#include <stdarg.h>
#include <stdio.h>
/* common */
#include "attrib.h"
#include "coll.h"
/* cc65 */
#include "symentry.h"
/*****************************************************************************/
/* Data */
/* Data */
/*****************************************************************************/
/* Current segment */
typedef enum segment_t {
SEG_INV = -1, /* Invalid segment */
SEG_CODE,
SEG_RODATA,
SEG_DATA,
SEG_BSS,
SEG_COUNT
} segment_t;
/* Actual names for the segments */
extern char* SegmentNames[SEG_COUNT];
typedef struct TextSeg TextSeg;
struct TextSeg {
SymEntry* Func; /* Owner function */
Collection Lines; /* List of text lines */
};
/*****************************************************************************/
/* Code */
/* Code */
/*****************************************************************************/
void InitSegNames (void);
/* Initialize the segment names */
TextSeg* NewTextSeg (SymEntry* Func);
/* Create a new text segment, initialize and return it */
void NewSegName (segment_t Seg, const char* Name);
/* Set a new name for a segment */
void AddTextEntry (TextSeg* S, const char* Format, va_list ap) attribute ((format(printf,2,0)));
/* Add a line to the given text segment */
int ValidSegName (const char* Name);
/* Return true if the given segment name is valid, return false otherwise */
void OutputTextSeg (const TextSeg* S, FILE* F);
/* Output the text segment data to a file */
/* End of segname.h */
/* End of textseg.h */
#endif