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Moved segment name handling into a separate module.

Browse source 
New compiler options to set the default segment names from the command line.


git-svn-id: svn://svn.cc65.org/cc65/trunk@222 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2000-07-29 11:49:34 +00:00
parent 28c25a9bdb
commit 9d85d084d0
6 changed files with 326 additions and 51 deletions
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43
src/cc65/codegen.c
View file

@ -6,10 +6,10 @@
/* */
/* */
/* */
/* (C) 1998 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* (C) 1998-2000 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
@ -36,9 +36,11 @@
#include <stdio.h>
#include <string.h>
#include "../common/version.h"
#include "../common/xmalloc.h"
/* common */
#include "version.h"
#include "xmalloc.h"
/* cc65 */
#include "asmcode.h"
#include "asmlabel.h"
#include "check.h"
@ -47,31 +49,25 @@
#include "global.h"
#include "litpool.h"
#include "optimize.h"
#include "segname.h"
#include "util.h"
#include "codegen.h"
/*****************************************************************************/
/* Data */
/* Data */
/*****************************************************************************/
/* Compiler relative stk ptr */
int oursp = 0;
int oursp = 0;
/* Current segment */
static enum {
SEG_INV = -1, /* Invalid segment */
SEG_CODE,
SEG_RODATA,
SEG_DATA,
SEG_BSS
} CurSeg = SEG_CODE;
segment_t CurSeg = SEG_INV;
/* Segment names */
static char* SegmentNames [4];
static char* SegmentHints [4] = {
"seg:code", "seg:rodata", "seg:data", "seg:bss"
};
@ -165,7 +161,7 @@ void g_preamble (void)
/* Allow auto import for runtime library routines */
AddCodeLine (".autoimport\ton");
/* Switch the assembler into case sensible mode */
/* Switch the assembler into case sensitive mode */
AddCodeLine (".case\t\ton");
/* Tell the assembler if we want to generate debug info */
@ -185,12 +181,6 @@ void g_preamble (void)
AddCodeLine (".endmacro");
AddEmptyLine ();
/* Define the default names for the segments */
SegmentNames [SEG_CODE] = xstrdup ("CODE");
SegmentNames [SEG_RODATA] = xstrdup ("RODATA");
SegmentNames [SEG_DATA] = xstrdup ("DATA");
SegmentNames [SEG_BSS] = xstrdup ("BSS");
/* Tell the optimizer that this is the end of the preamble */
AddCodeHint ("end_of_preamble");
}
@ -256,12 +246,11 @@ void g_usebss (void)
static void SegName (int Seg, const char* Name)
static void SegName (segment_t Seg, const char* Name)
/* Set the name of a segment */
{
/* Free the old name and set a new one */
xfree (SegmentNames [Seg]);
SegmentNames [Seg] = xstrdup (Name);
NewSegName (Seg, Name);
/* If the new segment is the current segment, emit a segment directive
* with the new name.

139
src/cc65/main.c
View file

@ -39,11 +39,14 @@
#include <ctype.h>
#include <errno.h>
#include "../common/cmdline.h"
#include "../common/fname.h"
#include "../common/version.h"
#include "../common/xmalloc.h"
/* common */
#include "abend.h"
#include "cmdline.h"
#include "fname.h"
#include "version.h"
#include "xmalloc.h"
/* cc65 */
#include "asmcode.h"
#include "compile.h"
#include "cpu.h"
@ -54,6 +57,7 @@
#include "macrotab.h"
#include "optimize.h"
#include "scanner.h"
#include "segname.h"
@ -112,11 +116,15 @@ static void Usage (void)
"\n"
"Long options:\n"
" --ansi\t\tStrict ANSI mode\n"
" --bss-name seg\tSet the name of the BSS segment\n"
" --code-name seg\tSet the name of the CODE segment\n"
" --cpu type\t\tSet cpu type\n"
" --data-name seg\tSet the name of the DATA segment\n"
" --debug\t\tDebug mode\n"
" --debug-info\t\tAdd debug info to object file\n"
" --help\t\tHelp (this text)\n"
" --include-dir dir\tSet an include directory search path\n"
" --rodata-name seg\tSet the name of the RODATA segment\n"
" --signed-chars\tDefault characters are signed\n"
" --static-locals\tMake local variables static\n"
" --target sys\t\tSet the target system\n"
@ -194,25 +202,24 @@ static void SetSys (const char* Sys)
break;
case TGT_PET:
cbmsys ("__PET__");
break;
cbmsys ("__PET__");
break;
case TGT_NES:
AddNumericMacro ("__NES__", 1);
break;
case TGT_NES:
AddNumericMacro ("__NES__", 1);
break;
case TGT_APPLE2:
AddNumericMacro ("__APPLE2__", 1);
break;
case TGT_APPLE2:
AddNumericMacro ("__APPLE2__", 1);
break;
case TGT_GEOS:
/* Do not handle as a CBM system */
AddNumericMacro ("__GEOS__", 1);
break;
case TGT_GEOS:
/* Do not handle as a CBM system */
AddNumericMacro ("__GEOS__", 1);
break;
default:
fputs ("Unknown system type\n", stderr);
exit (EXIT_FAILURE);
default:
AbEnd ("Unknown target system type");
}
}
@ -239,7 +246,7 @@ static void DefineSym (const char* Def)
InvDef (Def);
}
/* No value given. Define the macro with the value 1 */
AddNumericMacro (Def, 1);
AddNumericMacro (Def, 1);
} else {
/* We have a value, P points to the '=' character. Since the argument
* is const, create a copy and replace the '=' in the copy by a zero
@ -262,6 +269,17 @@ static void DefineSym (const char* Def)
static void CheckSegName (const char* Seg)
/* Abort if the given name is not a valid segment name */
{
/* Print an error and abort if the name is not ok */
if (!ValidSegName (Seg)) {
AbEnd ("Segment name `%s' is invalid", Seg);
}
}
static void OptAddSource (const char* Opt, const char* Arg)
/* Add source lines as comments in generated assembler file */
{
@ -278,6 +296,40 @@ static void OptAnsi (const char* Opt, const char* Arg)
static void OptBssName (const char* Opt, const char* Arg)
/* Handle the --bss-name option */
{
/* Must have a segment name */
if (Arg == 0) {
NeedArg (Opt);
}
/* Check for a valid name */
CheckSegName (Arg);
/* Set the name */
NewSegName (SEG_BSS, Arg);
}
static void OptCodeName (const char* Opt, const char* Arg)
/* Handle the --code-name option */
{
/* Must have a segment name */
if (Arg == 0) {
NeedArg (Opt);
}
/* Check for a valid name */
CheckSegName (Arg);
/* Set the name */
NewSegName (SEG_CODE, Arg);
}
static void OptCPU (const char* Opt, const char* Arg)
/* Handle the --cpu option */
{
@ -289,13 +341,29 @@ static void OptCPU (const char* Opt, const char* Arg)
} else if (strcmp (Arg, "65C02") == 0) {
CPU = CPU_65C02;
} else {
fprintf (stderr, "Invalid CPU: `%s'\n", Arg);
exit (EXIT_FAILURE);
AbEnd ("Invalid CPU: `%s'", Arg);
}
}
static void OptDataName (const char* Opt, const char* Arg)
/* Handle the --code-name option */
{
/* Must have a segment name */
if (Arg == 0) {
NeedArg (Opt);
}
/* Check for a valid name */
CheckSegName (Arg);
/* Set the name */
NewSegName (SEG_DATA, Arg);
}
static void OptDebug (const char* Opt, const char* Arg)
/* Compiler debug mode */
{
@ -332,6 +400,23 @@ static void OptIncludeDir (const char* Opt, const char* Arg)
static void OptRodataName (const char* Opt, const char* Arg)
/* Handle the --rodata-name option */
{
/* Must have a segment name */
if (Arg == 0) {
NeedArg (Opt);
}
/* Check for a valid name */
CheckSegName (Arg);
/* Set the name */
NewSegName (SEG_RODATA, Arg);
}
static void OptSignedChars (const char* Opt, const char* Arg)
/* Make default characters signed */
{
@ -383,11 +468,15 @@ int main (int argc, char* argv[])
static const LongOpt OptTab[] = {
{ "--add-source", 0, OptAddSource },
{ "--ansi", 0, OptAnsi },
{ "--bss-name", 1, OptBssName },
{ "--code-name", 1, OptCodeName },
{ "--cpu", 1, OptCPU },
{ "--data-name", 1, OptDataName },
{ "--debug", 0, OptDebug },
{ "--debug-info", 0, OptDebugInfo },
{ "--help", 0, OptHelp },
{ "--include-dir", 1, OptIncludeDir },
{ "--rodata-name", 1, OptRodataName },
{ "--signed-chars", 0, OptSignedChars },
{ "--static-locals", 0, OptStaticLocals },
{ "--target", 1, OptTarget },
@ -404,6 +493,9 @@ int main (int argc, char* argv[])
/* Initialize the cmdline module */
InitCmdLine (argc, argv, "cc65");
/* Initialize the default segment names */
InitSegNames ();
/* Parse the command line */
I = 1;
while (I < argc) {
@ -528,8 +620,7 @@ int main (int argc, char* argv[])
/* Did we have a file spec on the command line? */
if (InputFile == 0) {
fprintf (stderr, "%s: No input files\n", argv [0]);
exit (EXIT_FAILURE);
AbEnd ("No input files");
}
/* Open the input file */

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

@ -38,6 +38,7 @@ OBJS = anonname.o \
preproc.o \
pragma.o \
scanner.o \
segname.o \
stdfunc.o \
stmt.o \
symentry.o \

2
src/cc65/make/watcom.mak
View file

@ -97,6 +97,7 @@ OBJS = anonname.obj \
preproc.obj \
stmt.obj \
scanner.obj \
segname.obj \
stdfunc.obj \
symentry.obj \
symtab.obj \
@ -153,6 +154,7 @@ FILE pragma.obj
FILE preproc.obj
FILE stmt.obj
FILE scanner.obj
FILE segname.obj
FILE stdfunc.obj
FILE symentry.obj
FILE symtab.obj

108
src/cc65/segname.c Normal file
View file

@ -0,0 +1,108 @@
/*****************************************************************************/
/* */
/* segname.c */
/* */
/* Segment name management */
/* */
/* */
/* */
/* (C) 2000 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#include <ctype.h>
/* common */
#include "xmalloc.h"
/* cc65 */
#include "check.h"
#include "segname.h"
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* Actual names for the segments */
char* SegmentNames[SEG_COUNT];
/*****************************************************************************/
/* Code */
/*****************************************************************************/
void InitSegNames (void)
/* Initialize the segment names */
{
SegmentNames [SEG_BSS] = xstrdup ("BSS");
SegmentNames [SEG_CODE] = xstrdup ("CODE");
SegmentNames [SEG_DATA] = xstrdup ("DATA");
SegmentNames [SEG_RODATA] = xstrdup ("RODATA");
}
void NewSegName (segment_t Seg, const char* Name)
/* Set a new name for a segment */
{
/* Check the parameter */
CHECK (Seg != SEG_INV);
/* Free the old name and set a new one */
xfree (SegmentNames [Seg]);
SegmentNames [Seg] = xstrdup (Name);
}
int ValidSegName (const char* Name)
/* Return true if the given segment name is valid, return false otherwise */
{
/* Must start with '_' or a letter */
if (*Name != '_' && !isalpha(*Name)) {
return 0;
}
/* Can have letters, digits or the underline */
while (*++Name) {
if (*Name != '_' && !isalnum(*Name)) {
return 0;
}
}
/* Name is ok */
return 1;
}

84
src/cc65/segname.h Normal file
View file

@ -0,0 +1,84 @@
/*****************************************************************************/
/* */
/* segname.h */
/* */
/* Segment name management */
/* */
/* */
/* */
/* (C) 2000 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef SEGNAME_H
#define SEGNAME_H
/*****************************************************************************/
/* 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];
/*****************************************************************************/
/* Code */
/*****************************************************************************/
void InitSegNames (void);
/* Initialize the segment names */
void NewSegName (segment_t Seg, const char* Name);
/* Set a new name for a segment */
int ValidSegName (const char* Name);
/* Return true if the given segment name is valid, return false otherwise */
/* End of segname.h */
#endif