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Added dbg file generation

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git-svn-id: svn://svn.cc65.org/cc65/trunk@764 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2001-05-29 07:39:46 +00:00
parent 45242a8e02
commit 3889a2bec9
20 changed files with 344 additions and 132 deletions
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71
src/ld65/o65.c
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@@ -6,10 +6,10 @@
/* */
/* */
/* */
/* (C) 1999-2000 Ullrich von Bassewitz */
/* (C) 1999-2001 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
@@ -50,6 +50,7 @@
#include "expr.h"
#include "fileio.h"
#include "global.h"
#include "lineinfo.h"
#include "o65.h"
@@ -72,7 +73,7 @@
#define O65SEG_TEXT 0x02
#define O65SEG_DATA 0x03
#define O65SEG_BSS 0x04
#define O65SEG_ZP 0x05
#define O65SEG_ZP 0x05
/* Relocation type codes for the o65 format */
#define O65RELOC_WORD 0x80
@@ -82,8 +83,8 @@
#define O65RELOC_SEG 0xa0
/* O65 executable file header */
typedef struct O65Header_ O65Header;
struct O65Header_ {
typedef struct O65Header O65Header;
struct O65Header {
unsigned Version; /* Version number for o65 format */
unsigned Mode; /* Mode word */
unsigned long TextBase; /* Base address of text segment */
@@ -98,8 +99,8 @@ struct O65Header_ {
};
/* An o65 option */
typedef struct O65Option_ O65Option;
struct O65Option_ {
typedef struct O65Option O65Option;
struct O65Option {
O65Option* Next; /* Next in option list */
unsigned char Type; /* Type of option */
unsigned char Len; /* Data length */
@@ -108,54 +109,54 @@ struct O65Option_ {
/* A o65 relocation table */
#define RELOC_BLOCKSIZE 4096
typedef struct O65RelocTab_ O65RelocTab;
struct O65RelocTab_ {
typedef struct O65RelocTab O65RelocTab;
struct O65RelocTab {
unsigned Size; /* Size of the table */
unsigned Fill; /* Amount used */
unsigned char* Buf; /* Buffer, dynamically allocated */
};
/* Structure describing the format */
struct O65Desc_ {
O65Header Header; /* File header */
struct O65Desc {
O65Header Header; /* File header */
O65Option* Options; /* List of file options */
ExtSymTab* Exports; /* Table with exported symbols */
ExtSymTab* Imports; /* Table with imported symbols */
unsigned Undef; /* Count of undefined symbols */
FILE* F; /* The file we're writing to */
char* Filename; /* Name of the output file */
unsigned Undef; /* Count of undefined symbols */
FILE* F; /* The file we're writing to */
char* Filename; /* Name of the output file */
O65RelocTab* TextReloc; /* Relocation table for text segment */
O65RelocTab* DataReloc; /* Relocation table for data segment */
unsigned TextCount; /* Number of segments assigned to .text */
SegDesc** TextSeg; /* Array of text segments */
unsigned DataCount; /* Number of segments assigned to .data */
SegDesc** DataSeg; /* Array of data segments */
unsigned BssCount; /* Number of segments assigned to .bss */
SegDesc** BssSeg; /* Array of bss segments */
unsigned ZPCount; /* Number of segments assigned to .zp */
SegDesc** ZPSeg; /* Array of zp segments */
unsigned TextCount; /* Number of segments assigned to .text */
SegDesc** TextSeg; /* Array of text segments */
unsigned DataCount; /* Number of segments assigned to .data */
SegDesc** DataSeg; /* Array of data segments */
unsigned BssCount; /* Number of segments assigned to .bss */
SegDesc** BssSeg; /* Array of bss segments */
unsigned ZPCount; /* Number of segments assigned to .zp */
SegDesc** ZPSeg; /* Array of zp segments */
/* Temporary data for writing segments */
unsigned long SegSize;
O65RelocTab* CurReloc;
long LastOffs;
long LastOffs;
};
/* Structure for parsing expression trees */
typedef struct ExprDesc_ ExprDesc;
struct ExprDesc_ {
O65Desc* D; /* File format descriptor */
long Val; /* The offset value */
typedef struct ExprDesc ExprDesc;
struct ExprDesc {
O65Desc* D; /* File format descriptor */
long Val; /* The offset value */
int TooComplex; /* Expression too complex */
Section* SegRef; /* Section referenced if any */
ExtSym* ExtRef; /* External reference if any */
Section* SegRef; /* Section referenced if any */
ExtSym* ExtRef; /* External reference if any */
};
/*****************************************************************************/
/* Helper functions */
/* Helper functions */
/*****************************************************************************/
@@ -343,7 +344,7 @@ static void O65WriteReloc (O65RelocTab* R, FILE* F)
/*****************************************************************************/
/* Option handling */
/* Option handling */
/*****************************************************************************/
@@ -380,7 +381,7 @@ static void FreeO65Option (O65Option* O)
/*****************************************************************************/
/* Subroutines to write o65 sections */
/* Subroutines to write o65 sections */
/*****************************************************************************/
@@ -427,7 +428,7 @@ static void O65WriteHeader (O65Desc* D)
static unsigned O65WriteExpr (ExprNode* E, int Signed, unsigned Size,
unsigned long Offs, void* Data)
unsigned long Offs, void* Data)
/* Called from SegWrite for an expression. Evaluate the expression, check the
* range and write the expression value to the file, update the relocation
* table.
@@ -522,7 +523,7 @@ static unsigned O65WriteExpr (ExprNode* E, int Signed, unsigned Size,
break;
case 2:
RelocType = O65RELOC_WORD;
RelocType = O65RELOC_WORD;
break;
case 3:
@@ -580,6 +581,7 @@ static void O65WriteSeg (O65Desc* D, SegDesc** Seg, unsigned Count, int DoWrite)
/* Write this segment */
if (DoWrite) {
RelocLineInfo (S->Seg);
SegWrite (D->F, S->Seg, O65WriteExpr, D);
}
@@ -1069,4 +1071,3 @@ void O65WriteTarget (O65Desc* D, File* F)