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[Dotgnu-pnet-commits] CVS: pnet/ildasm ildasm_data.c,NONE,1.1 Makefile.


From: Rhys Weatherley <address@hidden>
Subject: [Dotgnu-pnet-commits] CVS: pnet/ildasm ildasm_data.c,NONE,1.1 Makefile.am,1.5,1.6 ildasm_class.c,1.11,1.12 ildasm_global.c,1.3,1.4ildasm_internal.h,1.5,1.6
Date: Thu, 30 Jan 2003 05:57:49 -0500

Update of /cvsroot/dotgnu-pnet/pnet/ildasm
In directory subversions:/tmp/cvs-serv32389/ildasm

Modified Files:
        Makefile.am ildasm_class.c ildasm_global.c ildasm_internal.h 
Added Files:
        ildasm_data.c 
Log Message:


Dump the contents of the ".data" and ".tls" sections.


--- NEW FILE ---
/*
 * ildasm_data.c - Dump ".data" blocks.
 *
 * Copyright (C) 2003  Southern Storm Software, Pty Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "ildasm_internal.h"

#ifdef  __cplusplus
extern  "C" {
#endif

/*
 * Dump the contents of a data section, with labels inserted
 * wherever fields reference the data.
 */
static void DumpData(FILE *outstream, ILImage *image, const char *heading,
                                         unsigned long rva, void *addr, 
unsigned long len,
                                         unsigned long *fieldRVAs, unsigned 
long numFieldRVAs)
{
        while(len > 0)
        {
                /* Scan for the next field >= the current address */
                while(numFieldRVAs > 0 && *fieldRVAs < rva)
                {
                        ++fieldRVAs;
                        --numFieldRVAs;
                }
                if(*fieldRVAs >= (rva + len))
                {
                        numFieldRVAs = 0;
                }

                /* Dump data before the next field */
                if(numFieldRVAs > 0 && *fieldRVAs != rva)
                {
                        fprintf(outstream, "%s D_0x%08lX = bytearray", heading, 
rva);
                        ILDAsmDumpBinaryBlob(outstream, image, addr,
                                                                 
(ILUInt32)(*fieldRVAs - rva));
                        putc('\n', outstream);
                        addr = (void *)(((unsigned char *)addr) + (*fieldRVAs - 
rva));
                        len -= (*fieldRVAs - rva);
                        rva = *fieldRVAs;
                }

                /* Dump the field or the remaining data */
                fprintf(outstream, "%s D_0x%08lX = bytearray", heading, rva);
                if(numFieldRVAs > 1)
                {
                        ILDAsmDumpBinaryBlob(outstream, image, addr,
                                                                 
(ILUInt32)(fieldRVAs[1] - rva));
                        addr = (void *)(((unsigned char *)addr) + (fieldRVAs[1] 
- rva));
                        len -= (fieldRVAs[1] - rva);
                        rva = fieldRVAs[1];
                }
                else
                {
                        ILDAsmDumpBinaryBlob(outstream, image, addr, len);
                        len = 0;
                }
                putc('\n', outstream);
        }
}

void ILDAsmDumpDataSections(FILE *outstream, ILImage *image)
{
        unsigned long *fieldRVAs;
        unsigned long numFieldRVAs;
        unsigned long posn;
        unsigned long posn2;
        unsigned long temp;
        ILFieldRVA *rva;
        void *dataAddr;
        unsigned long dataRVA;
        unsigned long dataLen;
        void *tlsAddr;
        unsigned long tlsRVA;
        unsigned long tlsLen;

        /* Collect all field RVA values so that we know where to
           insert the data labels */
        numFieldRVAs = ILImageNumTokens(image, IL_META_TOKEN_FIELD_RVA);
        if(numFieldRVAs > 0)
        {
                fieldRVAs = (unsigned long *)ILMalloc
                                (sizeof(unsigned long) * numFieldRVAs);
                if(!fieldRVAs)
                {
                        numFieldRVAs = 0;
                }
                else
                {
                        rva = 0;
                        posn = 0;
                        while((rva = (ILFieldRVA *)ILImageNextToken
                                                (image, 
IL_META_TOKEN_FIELD_RVA, rva)) != 0)
                        {
                                fieldRVAs[posn++] = ILFieldRVA_RVA(rva);
                        }
                }
        }
        else
        {
                fieldRVAs = 0;
        }

        /* Sort the RVA list into ascending order */
        for(posn = 0; posn < (numFieldRVAs - 1); ++posn)
        {
                for(posn2 = posn + 1; posn2 < numFieldRVAs; ++posn2)
                {
                        if(fieldRVAs[posn] > fieldRVAs[posn2])
                        {
                                temp = fieldRVAs[posn];
                                fieldRVAs[posn] = fieldRVAs[posn2];
                                fieldRVAs[posn2] = temp;
                        }
                }
        }

        /* Find the extents of the ".data" and ".tls" sections */
        if(ILImageGetSection(image, IL_SECTION_DATA, &dataAddr, &dataLen))
        {
                dataRVA = ILImageGetSectionAddr(image, IL_SECTION_DATA);
        }
        else
        {
                dataAddr = 0;
                dataLen = 0;
                dataRVA = 0;
        }
        if(ILImageGetSection(image, IL_SECTION_TLS, &tlsAddr, &tlsLen))
        {
                tlsRVA = ILImageGetSectionAddr(image, IL_SECTION_TLS);
        }
        else
        {
                tlsAddr = 0;
                tlsLen = 0;
                tlsRVA = 0;
        }

        /* Dump the ".data" section */
        if(dataLen > 0)
        {
                DumpData(outstream, image, ".data", dataRVA, dataAddr, dataLen,
                                 fieldRVAs, numFieldRVAs);
        }

        /* Dump the ".tls" section */
        if(tlsLen > 0)
        {
                DumpData(outstream, image, ".data tls", tlsRVA, tlsAddr, tlsLen,
                                 fieldRVAs, numFieldRVAs);
        }

        /* Free the "fieldRVAs" array and exit */
        if(fieldRVAs)
        {
                ILFree(fieldRVAs);
        }
}

#ifdef  __cplusplus
};
#endif

Index: Makefile.am
===================================================================
RCS file: /cvsroot/dotgnu-pnet/pnet/ildasm/Makefile.am,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -r1.5 -r1.6
*** Makefile.am 4 Jul 2002 04:59:12 -0000       1.5
--- Makefile.am 30 Jan 2003 10:57:46 -0000      1.6
***************
*** 4,7 ****
--- 4,8 ----
  ildasm_SOURCES = ildasm_attrs.c \
                                 ildasm_class.c \
+                                ildasm_data.c \
                                 ildasm_global.c \
                                 ildasm_java.c \

Index: ildasm_class.c
===================================================================
RCS file: /cvsroot/dotgnu-pnet/pnet/ildasm/ildasm_class.c,v
retrieving revision 1.11
retrieving revision 1.12
diff -C2 -r1.11 -r1.12
*** ildasm_class.c      9 Jan 2003 12:06:59 -0000       1.11
--- ildasm_class.c      30 Jan 2003 10:57:46 -0000      1.12
***************
*** 178,182 ****
                if(rva)
                {
!                       fprintf(outstream, " at 0x%08lX",
                                        (unsigned long)(ILFieldRVA_RVA(rva)));
                }
--- 178,182 ----
                if(rva)
                {
!                       fprintf(outstream, " at D_0x%08lX",
                                        (unsigned long)(ILFieldRVA_RVA(rva)));
                }

Index: ildasm_global.c
===================================================================
RCS file: /cvsroot/dotgnu-pnet/pnet/ildasm/ildasm_global.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -r1.3 -r1.4
*** ildasm_global.c     30 Jan 2003 10:16:45 -0000      1.3
--- ildasm_global.c     30 Jan 2003 10:57:46 -0000      1.4
***************
*** 391,394 ****
--- 391,397 ----
                                         IL_META_TOKEN_EXPORTED_TYPE,
                                         (ILDAsmWalkFunc)Dump_ExportedType, 0);
+ 
+       /* Dump the ".data" and ".tls" sections */
+       ILDAsmDumpDataSections(outstream, image);
  }
  

Index: ildasm_internal.h
===================================================================
RCS file: /cvsroot/dotgnu-pnet/pnet/ildasm/ildasm_internal.h,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -r1.5 -r1.6
*** ildasm_internal.h   13 Dec 2002 06:48:00 -0000      1.5
--- ildasm_internal.h   30 Jan 2003 10:57:46 -0000      1.6
***************
*** 93,96 ****
--- 93,101 ----
                                                ILProgramItem *item, int flags);
  
+ /*
+  * Dump the ".data" and ".tls" sections.
+  */
+ void ILDAsmDumpDataSections(FILE *outstream, ILImage *image);
+ 
  #ifdef        __cplusplus
  };





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