[arty] 32591: Fix us back up to use PE-COFF again. This is getting ridiculous, but I now really understand everything, and freeldr moved the image mapping code to a common area.
9 Mar
2008
9 Mar
'08
11:34 a.m.
Author: arty
Date: Fri Mar 7 07:53:55 2008
New Revision: 32591
URL: http://svn.reactos.org/svn/reactos?rev=3D32591&view=3Drev
Log:
Fix us back up to use PE-COFF again. This is getting ridiculous, but I now
really understand everything, and freeldr moved the image mapping code to
a common area.
Added:
trunk/tools/RosBE/RosBE-PPC/elfpe/coff.cpp (with props)
trunk/tools/RosBE/RosBE-PPC/elfpe/coff.h (with props)
trunk/tools/RosBE/RosBE-PPC/elfpe/exports.cpp (with props)
trunk/tools/RosBE/RosBE-PPC/elfpe/exports.h (with props)
trunk/tools/RosBE/RosBE-PPC/elfpe/imports.cpp (with props)
trunk/tools/RosBE/RosBE-PPC/elfpe/imports.h (with props)
trunk/tools/RosBE/RosBE-PPC/elfpe/reloc.cpp (with props)
trunk/tools/RosBE/RosBE-PPC/elfpe/reloc.h (with props)
trunk/tools/RosBE/RosBE-PPC/elfpe/section.h (with props)
Modified:
trunk/tools/RosBE/RosBE-PPC/elfpe/Makefile
trunk/tools/RosBE/RosBE-PPC/elfpe/elfpe.cpp
trunk/tools/RosBE/RosBE-PPC/elfpe/header.cpp
trunk/tools/RosBE/RosBE-PPC/elfpe/header.h
trunk/tools/RosBE/RosBE-PPC/elfpe/objectfile.cpp
trunk/tools/RosBE/RosBE-PPC/elfpe/objectfile.h
trunk/tools/RosBE/RosBE-PPC/elfpe/util.cpp
trunk/tools/RosBE/RosBE-PPC/elfpe/util.h
Modified: trunk/tools/RosBE/RosBE-PPC/elfpe/Makefile
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/M=
akefile?rev=3D32591&r1=3D32590&r2=3D32591&view=3Ddiff
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/Makefile (original)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/Makefile Fri Mar 7 07:53:55 2008
@@ -1,6 +1,6 @@
elfpe: argparse.cpp argparse.h header.cpp header.h \
objectfile.cpp objectfile.h util.cpp util.h pedef.h \
- elfpe.cpp
+ elfpe.cpp reloc.cpp coff.cpp exports.cpp imports.cpp
g++ -g -o $@ $^ -lelf
=
clean:
Added: trunk/tools/RosBE/RosBE-PPC/elfpe/coff.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/c=
off.cpp?rev=3D32591&view=3Dauto
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/coff.cpp (added)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/coff.cpp Fri Mar 7 07:53:55 2008
@@ -1,0 +1,42 @@
+#include "coff.h"
+
+PECoffExecutable::PECoffExecutable
+(const ElfObjectFile &elf, const std::string &file, uint32_t filealign)
+ : elf(elf), tempFile(file), filealign(filealign)
+{
+ int i;
+ FILE *f =3D fopen(tempFile.c_str(), "wb");
+ if (!f) return;
+
+ // Write PE Header
+ const ElfObjectFile::Section §ion =3D *elf.getNamedSection(".pehea=
der");
+ fwrite(section.getSectionData(), 1, section.logicalSize(), f);
+ =
+ // Write out sections
+ uint32_t physSize;
+ uint32_t bytes =3D 0;
+
+ for (i =3D 1; i < elf.getNumSections(); i++)
+ {
+ const ElfObjectFile::Section §ion =3D elf.getSection(i);
+ if (section.getName() =3D=3D ".peheader") continue;
+ if (section.getType() !=3D SHT_NOBITS && section.getFlags() & SHF_ALLOC)
+ {
+ physSize =3D roundup(section.logicalSize(), filealign);
+#if 0
+ printf("P %08x:%08x %s\n", =
+ (int)ftell(f),
+ section.logicalSize(), =
+ section.getName().c_str());
+#endif
+ bytes =3D fwrite(section.getSectionData(), 1, section.logicalSize(), =
f);
+ while(bytes++ < physSize) fputc(0, f);
+ }
+ }
+ fclose(f);
+}
+
+void PECoffExecutable::Write(const std::string &resultFile)
+{
+ rename(tempFile.c_str(), resultFile.c_str());
+}
Propchange: trunk/tools/RosBE/RosBE-PPC/elfpe/coff.cpp
---------------------------------------------------------------------------=
---
svn:eol-style =3D native
Propchange: trunk/tools/RosBE/RosBE-PPC/elfpe/coff.cpp
---------------------------------------------------------------------------=
---
svn:executable =3D *
Added: trunk/tools/RosBE/RosBE-PPC/elfpe/coff.h
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/c=
off.h?rev=3D32591&view=3Dauto
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/coff.h (added)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/coff.h Fri Mar 7 07:53:55 2008
@@ -1,0 +1,22 @@
+#ifndef COMPDVR_COFF_H
+#define COMPDVR_COFF_H
+
+#include <vector>
+#include <utility>
+#include "pedef.h"
+#include "util.h"
+#include "objectfile.h"
+#include "section.h"
+
+class PECoffExecutable {
+public:
+ PECoffExecutable(const ElfObjectFile &elf, const std::string &tmpFile,=
uint32_t filealign);
+ void Write(const std::string &resultFile);
+
+private:
+ const ElfObjectFile &elf;
+ std::string tempFile;
+ uint32_t filealign;
+};
+
+#endif//COMPDVR_COFF_H
Propchange: trunk/tools/RosBE/RosBE-PPC/elfpe/coff.h
---------------------------------------------------------------------------=
---
svn:eol-style =3D native
Modified: trunk/tools/RosBE/RosBE-PPC/elfpe/elfpe.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/e=
lfpe.cpp?rev=3D32591&r1=3D32590&r2=3D32591&view=3Ddiff
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/elfpe.cpp (original)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/elfpe.cpp Fri Mar 7 07:53:55 2008
@@ -12,8 +12,13 @@
#include "objectfile.h"
#include "header.h"
#include "argparse.h"
+#include "reloc.h"
+#include "coff.h"
+#include "exports.h"
+#include "imports.h"
=
#define TYPE_PEHEADER (SHT_LOOS + 1)
+#define TYPE_PERELOC (SHT_LOOS + 2)
=
int execute_command( bool verbose, const std::vector<std::string> &args )
{
@@ -55,6 +60,26 @@
}
}
args.insert(args.begin(), the_definition + "=3D" + body);
+}
+
+std::vector<uint8_t> =
+ProcessRelocSections
+(const ElfObjectFile &eof, =
+ uint32_t imageBase,
+ const std::vector<section_mapping_t> &rvas)
+{
+ std::vector<uint8_t> relocData;
+ uint32_t relocAddr =3D (uint32_t)-1;
+ int i, j;
+ for (i =3D 1; i < eof.getNumSections(); i++)
+ {
+ const ElfObjectFile::Section §ion =3D eof.getSection(i);
+ if (section.getType() =3D=3D SHT_REL ||
+ section.getType() =3D=3D SHT_RELA)
+ SingleRelocSection(eof, section, rvas, relocData, imageBase, r=
elocAddr);
+ }
+ AddReloc(relocData, 0, relocAddr, 0, 0);
+ return relocData;
}
=
int main( int argc, char **argv ) {
@@ -100,6 +125,11 @@
if(entry_point.size() && entry_point[0] =3D=3D '_')
{
entry_point =3D entry_point.substr(1);
+ }
+ size_t at =3D entry_point.find('@');
+ if (at !=3D std::string::npos)
+ {
+ entry_point =3D entry_point.substr(0, at);
}
if( !compile_only )
{
@@ -142,7 +172,7 @@
if( verbose ) gcc_args_str.insert(gcc_args_str.begin(),"-v");
if (!compile_only)
{
- if( is_dll ) gcc_args_str.insert(gcc_args_str.begin(), "-Wl,-r");
+ //gcc_args_str.insert(gcc_args_str.begin(), "-Wl,-r");
gcc_args_str.insert(gcc_args_str.begin(), "-Wl,-q");
gcc_args_str.insert(gcc_args_str.begin(), "-Wl,-d");
gcc_args_str.insert(gcc_args_str.begin(), "-Wl,--start-group");
@@ -160,30 +190,56 @@
}
if (!compile_only) gcc_args_str.insert(gcc_args_str.end(), "-Wl,--end-=
group");
=
+ std::vector<section_mapping_t> sectionRvas;
if ( !(status =3D execute_command( verbose, gcc_args_str )) && !compil=
e_only && mkheader )
{
/* Ok fixup the elf object file */
ElfObjectFile eof(output_file);
+ if(!eof) exit(1); =
+ =
+ uint32_t imageSize;
const ElfObjectFile::Symbol *entry_sym;
-
- if(!eof) exit(1);
-
entry_sym =3D eof.getNamedSymbol(entry_point);
-
+ =
+ /* This computes the section RVAs */
ElfPeHeader header
- (strtoul(image_base.c_str(), 0, 0),
- strtoul(section_align.c_str(), 0, 0),
- strtoul(file_align.c_str(), 0, 0),
- entry_sym,
- 0x10000,
- 0x100000,
- 0x10000,
- 0x100000,
- atoi(subsystem.c_str()),
- is_dll,
- &eof);
-
- eof.addSection(".peheader", header.getData(), TYPE_PEHEADER);
+ (strtoul(image_base.c_str(), 0, 0),
+ strtoul(section_align.c_str(), 0, 0),
+ strtoul(file_align.c_str(), 0, 0),
+ entry_sym,
+ 0x10000,
+ 0x100000,
+ 0x10000,
+ 0x100000,
+ atoi(subsystem.c_str()),
+ is_dll,
+ &eof);
+ =
+ // Get base section layout
+ imageSize =3D header.getSectionRvas(sectionRvas);
+
+ // Add relocation info
+ std::vector<uint8_t> relocSection =3D =
+ ProcessRelocSections
+ (eof, strtoul(image_base.c_str(), 0, 0), sectionRvas);
+ eof.addSection(".reloc", relocSection, SHT_PROGBITS);
+ eof.update();
+
+ // Recompute RVAs after adding reloc section
+ imageSize =3D header.getSectionRvas(sectionRvas);
+ header.createHeaderSection(sectionRvas, imageSize);
+ eof.addSection(".peheader", header.getData(), SHT_PROGBITS);
+ eof.update();
+
+ // Fixup exports
+ ExportFixup(eof, sectionRvas);
+
+ // Fixup imports
+ ImportFixup(eof, sectionRvas);
+ eof.update();
+
+ PECoffExecutable cof(eof, output_file + ".tmp", strtoul(file_align=
.c_str(), 0, 0));
+ cof.Write(output_file);
}
=
return status;
Added: trunk/tools/RosBE/RosBE-PPC/elfpe/exports.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/e=
xports.cpp?rev=3D32591&view=3Dauto
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/exports.cpp (added)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/exports.cpp Fri Mar 7 07:53:55 2008
@@ -1,0 +1,46 @@
+#include "exports.h"
+#include "objectfile.h"
+#include "section.h"
+
+void ExportFixup
+(ElfObjectFile &eof,
+ const std::vector<section_mapping_t> &mapping)
+{
+ const ElfObjectFile::Section *exportSect =3D eof.getNamedSection(".eda=
ta");
+ if (!exportSect) return;
+ uint8_t *exportTable =3D exportSect->getSectionData();
+ // Fixup the words of the export directory
+ uint8_t *exportTarget =3D exportTable;
+ uint32_t exportRva =3D FindRVA(mapping, exportSect->getNumber());
+
+ uint32_t nameRva, ordinalBase, numberOfAddress, numberOfNames, address=
Rva,
+ namePtrRva, ordinalTableRva;
+ int i;
+
+ le32write_postinc(exportTarget, be32read(exportTarget));
+ le32write_postinc(exportTarget, be32read(exportTarget));
+ le16write_postinc(exportTarget, be16read(exportTarget));
+ le16write_postinc(exportTarget, be16read(exportTarget));
+ le32write_postinc(exportTarget, (nameRva =3D be32read(exportTarget)));
+ le32write_postinc(exportTarget, (ordinalBase =3D be32read(exportTarget=
)));
+ le32write_postinc(exportTarget, (numberOfAddress =3D be32read(exportTa=
rget)));
+ le32write_postinc(exportTarget, (numberOfNames =3D be32read(exportTarg=
et)));
+ le32write_postinc(exportTarget, (addressRva =3D be32read(exportTarget)=
));
+ le32write_postinc(exportTarget, (namePtrRva =3D be32read(exportTarget)=
));
+ le32write_postinc(exportTarget, (ordinalTableRva =3D be32read(exportTa=
rget)));
+ =
+ // Address Table
+ exportTarget =3D exportTable + addressRva - exportRva;
+ for (i =3D 0; i < numberOfAddress; i++)
+ le32write_postinc(exportTarget, be32read(exportTarget));
+ =
+ // Name table
+ exportTarget =3D exportTable + namePtrRva - exportRva;
+ for (i =3D 0; i < numberOfNames; i++)
+ le32write_postinc(exportTarget, be32read(exportTarget));
+
+ // Ordinal table
+ exportTarget =3D exportTable + ordinalTableRva - exportRva;
+ for (i =3D 0; i < numberOfAddress; i++)
+ le16write_postinc(exportTarget, be16read(exportTarget));
+}
Propchange: trunk/tools/RosBE/RosBE-PPC/elfpe/exports.cpp
---------------------------------------------------------------------------=
---
svn:eol-style =3D native
Added: trunk/tools/RosBE/RosBE-PPC/elfpe/exports.h
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/e=
xports.h?rev=3D32591&view=3Dauto
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/exports.h (added)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/exports.h Fri Mar 7 07:53:55 2008
@@ -1,0 +1,14 @@
+#ifndef COMPDVR_EXPORTS_H
+#define COMPDVR_EXPORTS_H
+
+#include <vector>
+#include <utility>
+#include "pedef.h"
+#include "util.h"
+#include "objectfile.h"
+#include "section.h"
+
+void ExportFixup
+(ElfObjectFile &eof, const std::vector<section_mapping_t> &mapping);
+
+#endif//COMPDVR_EXPORTS_H
Propchange: trunk/tools/RosBE/RosBE-PPC/elfpe/exports.h
---------------------------------------------------------------------------=
---
svn:eol-style =3D native
Modified: trunk/tools/RosBE/RosBE-PPC/elfpe/header.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/h=
eader.cpp?rev=3D32591&r1=3D32590&r2=3D32591&view=3Ddiff
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/header.cpp (original)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/header.cpp Fri Mar 7 07:53:55 2008
@@ -16,6 +16,7 @@
ElfObjectFile *eof) :
imagebase(imagebase),
sectionalign(sectionalign),
+ filealign(filealign),
stackreserve(stackreserve),
stackcommit(stackcommit),
heapreserve(heapreserve),
@@ -25,19 +26,15 @@
eof(eof)
{
data.resize(computeSize());
- createHeaderSection();
}
=
int ElfPeHeader::computeSize() const
{
- return sectionalign; /* We'll compute it for real later */
-}
-
-void ElfPeHeader::createHeaderSection()
-{
- std::vector<section_mapping_t> sectionRvaSet;
- uint32_t imageSize =3D getSectionRvas(sectionRvaSet);
-
+ return roundup(0x80 + 0x200, filealign); /* We'll compute it for real =
later */
+}
+
+void ElfPeHeader::createHeaderSection(const std::vector<section_mapping_t>=
§ionRvaSet, uint32_t imageSize)
+{
data[0] =3D 'M'; data[1] =3D 'Z';
uint8_t *dataptr =3D &data[0x3c];
uint32_t coffHeaderSize, optHeaderSizeMember;
@@ -88,7 +85,7 @@
le32pwrite_postinc(dataptr, getResourceInfo(sectionRvaSet));
le32pwrite_postinc(dataptr, getExceptionInfo());
le32pwrite_postinc(dataptr, getSecurityInfo());
- le32pwrite_postinc(dataptr, getRelocInfo());
+ le32pwrite_postinc(dataptr, getRelocInfo(sectionRvaSet));
le32pwrite_postinc(dataptr, getDebugInfo());
le32pwrite_postinc(dataptr, getDescrInfo());
le32pwrite_postinc(dataptr, getMachInfo());
@@ -101,28 +98,37 @@
// size, but leaving out the other info. We write the section name
// truncated into the name field and leave the section id in the
// physical address bit
+
+ uint32_t paddr =3D computeSize();
for (int i =3D 0; i < sectionRvaSet.size(); i++)
{
section_mapping_t mapping =3D sectionRvaSet[i];
const ElfObjectFile::Section *section =3D mapping.section;
std::string name =3D section->getName();
uint32_t size =3D section->logicalSize();
+ uint32_t psize =3D =
+ section->getType() =3D=3D SHT_NOBITS ? 0 : roundup(size, filealign);
uint32_t rva =3D mapping.rva;
for (int j =3D 0; j < 8; j++)
{
*dataptr++ =3D j < name.size() ? name[j] : '\000';
}
+
+#if 0
+ printf("V %08x:%08x P %08x:%08x %s\n",
+ rva, size, paddr, psize, name.c_str());
+#endif
+
le32write_postinc(dataptr, size);
le32write_postinc(dataptr, rva);
- le32write_postinc(dataptr, size);
- // Note: we put the index in the offset slot so we can find the
- // real offset later in the loader
- le32write_postinc(dataptr, sectionRvaSet[i].index);
+ le32write_postinc(dataptr, psize);
+ le32write_postinc(dataptr, paddr);
le32write_postinc(dataptr, 0);
le32write_postinc(dataptr, 0);
le32write_postinc(dataptr, 0);
// XXX Figure out the real flags
le32write_postinc(dataptr, IMAGE_SCN_CNT_CODE);
+ paddr +=3D psize;
}
}
=
@@ -132,14 +138,17 @@
{
uint32_t start =3D computeSize();
uint32_t limit =3D start;
- for(int i =3D 0; i < eof->getNumSections(); i++) {
+
+ rvas.clear();
+
+ for(int i =3D 1; i < eof->getNumSections(); i++) {
{
const ElfObjectFile::Section § =3D eof->getSection(i);
if(sect.getFlags() & SHF_ALLOC) {
limit =3D roundup(start + sect.logicalSize(), sectionalign);
#if 0
- fprintf(stderr, "rva[%02d:%s] =3D (%x %x %d)\n",
- rvas.size(), sect.getName().c_str(), §, start, i);
+ fprintf(stderr, "rva[%02d:-%20s] =3D (%08x %08x %08x %d)\n",
+ rvas.size(), sect.getName().c_str(), start, sect.getStartRva(), sect.lo=
gicalSize(), i);
#endif
rvas.push_back(section_mapping_t(§, start, i));
}
@@ -198,9 +207,9 @@
return std::make_pair(0,0);
}
=
-u32pair_t ElfPeHeader::getRelocInfo() const
-{
- return std::make_pair(0,0);
+u32pair_t ElfPeHeader::getRelocInfo(const std::vector<section_mapping_t> &=
mapping) const
+{
+ return getNamedSectionInfo(eof, mapping, ".reloc");
}
=
u32pair_t ElfPeHeader::getDebugInfo() const
Modified: trunk/tools/RosBE/RosBE-PPC/elfpe/header.h
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/h=
eader.h?rev=3D32591&r1=3D32590&r2=3D32591&view=3Ddiff
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/header.h (original)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/header.h Fri Mar 7 07:53:55 2008
@@ -6,18 +6,7 @@
#include "pedef.h"
#include "util.h"
#include "objectfile.h"
-
-typedef struct section_mapping_t {
- const ElfObjectFile::Section *section;
- uint32_t rva;
- int index;
-
- section_mapping_t
- (const ElfObjectFile::Section *sect, uint32_t rva, int index) :
- section(sect), rva(rva), index(index) { }
- section_mapping_t(const section_mapping_t &other) :
- section(other.section), rva(other.rva), index(other.index) { }
-} section_mapping_t;
+#include "section.h"
=
class ElfPeHeader {
public:
@@ -34,10 +23,10 @@
bool dll,
ElfObjectFile *eof);
const ElfObjectFile::secdata_t &getData() const;
+ uint32_t getSectionRvas(std::vector<section_mapping_t> &rvas) const;
+ void createHeaderSection(const std::vector<section_mapping_t> &rvas, u=
int32_t imageSize);
=
private:
- void createHeaderSection();
- uint32_t getSectionRvas(std::vector<section_mapping_t> &rvas) const;
uint32_t getEntryPoint(const std::vector<section_mapping_t> &rvas, con=
st ElfObjectFile::Symbol *entry) const;
int computeSize() const;
int getExeFlags() const { return 0; }
@@ -47,7 +36,7 @@
u32pair_t getResourceInfo(const std::vector<section_mapping_t> &rvas) =
const;
u32pair_t getExceptionInfo() const;
u32pair_t getSecurityInfo() const;
- u32pair_t getRelocInfo() const;
+ u32pair_t getRelocInfo(const std::vector<section_mapping_t> &rvas) con=
st;
u32pair_t getDebugInfo() const;
u32pair_t getDescrInfo() const;
u32pair_t getMachInfo() const;
Added: trunk/tools/RosBE/RosBE-PPC/elfpe/imports.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/i=
mports.cpp?rev=3D32591&view=3Dauto
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/imports.cpp (added)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/imports.cpp Fri Mar 7 07:53:55 2008
@@ -1,0 +1,43 @@
+#include "imports.h"
+#include "objectfile.h"
+#include "section.h"
+
+void ImportFixup
+(ElfObjectFile &eof,
+ const std::vector<section_mapping_t> &mapping)
+{
+ const ElfObjectFile::Section *importSect =3D eof.getNamedSection(".ida=
ta");
+ if (!importSect) return;
+ uint8_t *importTable =3D importSect->getSectionData();
+ uint8_t *importTarget =3D importTable, *tableAddr, *hintName;
+ uint32_t importRva =3D FindRVA(mapping, importSect->getNumber());
+ uint32_t tableRva, iatRva, hintNameEntry;
+
+ do
+ {
+ le32write_postinc(importTarget, (tableRva =3D be32read(importTarge=
t)));
+ le32write_postinc(importTarget, be32read(importTarget));
+ le32write_postinc(importTarget, be32read(importTarget));
+ le32write_postinc(importTarget, be32read(importTarget));
+ le32write_postinc(importTarget, (iatRva =3D be32read(importTarget)=
));
+
+ if (!tableRva) return;
+
+ // Rewrite the import lookup table
+ tableAddr =3D importTable + tableRva - importRva;
+ while (hintNameEntry =3D be32read(tableAddr))
+ {
+ le32write_postinc(tableAddr, hintNameEntry);
+ // Rewrite the hint/name element
+ //hintName =3D importTable + hintNameEntry - importRva;
+ //le16write(hintName, be16read(hintName));
+ }
+
+ // Do the second address table
+ tableAddr =3D importTable + iatRva - importRva;
+ while (hintNameEntry =3D be32read(tableAddr))
+ {
+ le32write_postinc(tableAddr, hintNameEntry);
+ }
+ } while(1);
+}
Propchange: trunk/tools/RosBE/RosBE-PPC/elfpe/imports.cpp
---------------------------------------------------------------------------=
---
svn:eol-style =3D native
Added: trunk/tools/RosBE/RosBE-PPC/elfpe/imports.h
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/i=
mports.h?rev=3D32591&view=3Dauto
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/imports.h (added)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/imports.h Fri Mar 7 07:53:55 2008
@@ -1,0 +1,14 @@
+#ifndef COMPDVR_IMPORTS_H
+#define COMPDVR_IMPORTS_H
+
+#include <vector>
+#include <utility>
+#include "pedef.h"
+#include "util.h"
+#include "objectfile.h"
+#include "section.h"
+
+void ImportFixup
+(ElfObjectFile &eof, const std::vector<section_mapping_t> &mapping);
+
+#endif//COMPDVR_IMPORTS_H
Propchange: trunk/tools/RosBE/RosBE-PPC/elfpe/imports.h
---------------------------------------------------------------------------=
---
svn:eol-style =3D native
Modified: trunk/tools/RosBE/RosBE-PPC/elfpe/objectfile.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/o=
bjectfile.cpp?rev=3D32591&r1=3D32590&r2=3D32591&view=3Ddiff
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/objectfile.cpp (original)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/objectfile.cpp Fri Mar 7 07:53:55 20=
08
@@ -3,43 +3,71 @@
#include "util.h"
#include "objectfile.h"
=
-ElfObjectFile::ElfObjectFile(const std::string &filename) : fd(-1)
+ElfObjectFile::ElfObjectFile(const std::string &filename) : fd(-1), filena=
me(filename)
{
- Elf_Scn *s =3D 0;
+ init();
+}
+
+void ElfObjectFile::init()
+{
Elf32_Ehdr *ehdr;
- Section *sect;
+
elfHeader =3D NULL;
+ lastStr =3D NULL;
+
fd =3D open(filename.c_str(), O_RDWR, 0);
if(fd >=3D 0) {
- if(elf_version(EV_CURRENT) =3D=3D EV_NONE) {
- // Old version
- return;
- }
- elfHeader =3D elf_begin(fd, ELF_C_RDWR, (Elf*)0);
- if(elf_kind(elfHeader) !=3D ELF_K_ELF) {
- // Didn't get an elf object file
+ if(elf_version(EV_CURRENT) =3D=3D EV_NONE) {
+ // Old version
+ return;
+ }
+ elfHeader =3D elf_begin(fd, ELF_C_RDWR, (Elf*)0);
+ if(elf_kind(elfHeader) !=3D ELF_K_ELF) {
+ // Didn't get an elf object file
elfHeader =3D NULL;
- return;
- }
- ehdr =3D elf32_getehdr(elfHeader);
- shnum =3D ehdr->e_shnum;
- phnum =3D ehdr->e_phnum;
- shstrndx =3D ehdr->e_shstrndx;
- /* Populate section table */
- for(size_t i =3D 0; i < shnum; i++)
- {
- s =3D elf_nextscn(elfHeader, s);
- if(!s) break;
- sect =3D new Section(*this, i, s);
- sections.push_back(sect);
- sections_by_name.insert(std::make_pair(sect->getName(), sect));
- }
+ return;
+ }
=
- populateSymbolTable();
+ ehdr =3D elf32_getehdr(elfHeader);
+ phnum =3D ehdr->e_phnum;
+ shstrndx =3D ehdr->e_shstrndx;
+
+ populateSections();
+ populateSymbolTable();
+ }
+}
+
+void ElfObjectFile::populateSections()
+{
+ Section *sect;
+ Elf32_Ehdr *ehdr;
+ Elf_Scn *s =3D 0;
+
+ ehdr =3D elf32_getehdr(elfHeader);
+ shnum =3D ehdr->e_shnum;
+ =
+ /* ABS section */
+ sections.clear();
+ sections_by_name.clear();
+ sections.push_back(new Section(*this, 0, NULL));
+ =
+ /* Populate section table */
+ for(size_t i =3D 1; i < shnum; i++)
+ {
+ s =3D elf_nextscn(elfHeader, s);
+ if(!s) break;
+ sect =3D new Section(*this, i, s);
+ sections.push_back(sect);
+ sections_by_name.insert(std::make_pair(sect->getName(), sect));
}
}
=
ElfObjectFile::~ElfObjectFile()
+{
+ finalize();
+}
+
+void ElfObjectFile::finalize()
{
if(elfHeader) elf_end(elfHeader);
if(fd >=3D 0) close(fd);
@@ -55,7 +83,10 @@
Elf32_Sym *sym;
Symbol *ourSym;
=
- for( i =3D 0; i < getNumSections(); i++ ) {
+ symbols.clear();
+ symbols_by_name.clear();
+
+ for( i =3D 1; i < getNumSections(); i++ ) {
type =3D getSection(i).getType();
link =3D getSection(i).getLink();
if( (type =3D=3D SHT_SYMTAB) || (type =3D=3D SHT_DYNSYM) ) {
@@ -85,7 +116,7 @@
/* Create data for the new section */
Elf_Data *edata =3D elf_newdata(newsect), *strdata =3D elf_getdata(str=
sect, 0),
*newstrdata =3D elf_newdata(strsect);
- edata->d_align =3D 0x1000;
+ edata->d_align =3D 1;
edata->d_size =3D data.size();
edata->d_off =3D 0;
edata->d_type =3D ELF_T_BYTE;
@@ -93,10 +124,12 @@
edata->d_buf =3D malloc(edata->d_size);
memcpy(edata->d_buf, &data[0], edata->d_size);
/* Add the name of the new section to the string table */
- newstrdata->d_off =3D strdata->d_off + strdata->d_size;
+ if (!lastStr) lastStr =3D strdata;
+ newstrdata->d_off =3D lastStr->d_off + lastStr->d_size;
newstrdata->d_size =3D name.size() + 1;
newstrdata->d_align =3D 1;
newstrdata->d_buf =3D (void *)name.c_str();
+ lastStr =3D newstrdata;
/* Finish the section */
shdr->sh_name =3D newstrdata->d_off;
shdr->sh_type =3D type;
Modified: trunk/tools/RosBE/RosBE-PPC/elfpe/objectfile.h
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/o=
bjectfile.h?rev=3D32591&r1=3D32590&r2=3D32591&view=3Ddiff
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/objectfile.h (original)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/objectfile.h Fri Mar 7 07:53:55 2008
@@ -78,11 +78,15 @@
=
uint8_t *getSectionData() const {
if(!have_data) {
- data =3D *elf_getdata(section, NULL);
+ data =3D *elf_getdata(section, NULL);
have_data =3D true;
}
return (uint8_t *)data.d_buf;
}
+
+ void setDirty() const {
+ elf_flagscn(section, ELF_C_SET, ELF_F_DIRTY);
+ }
=
private:
const ElfObjectFile *obj;
@@ -109,18 +113,30 @@
const Section *getNamedSection(const std::string &name) const;
const Symbol &getSymbol(int n) const { return *symbols[n]; }
const Symbol *getNamedSymbol(const std::string &symname) const;
+ void update() =
+ { =
+ elf_flagelf(elfHeader, ELF_C_SET, ELF_F_DIRTY);
+ elf_update(elfHeader, ELF_C_WRITE); =
+ finalize();
+ init();
+ }
=
private:
int fd;
int shnum, phnum;
int shstrndx;
Elf *elfHeader;
+ Elf_Data *lastStr;
+ std::string filename;
std::vector<Section*> sections;
std::map<std::string, const Section *> sections_by_name;
std::vector<Symbol*> symbols;
std::map<std::string, const Symbol *> symbols_by_name;
=
+ void init();
+ void finalize();
void populateSymbolTable();
+ void populateSections();
};
=
#endif//COMPDVR_ELFOBJECT_H
Added: trunk/tools/RosBE/RosBE-PPC/elfpe/reloc.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/r=
eloc.cpp?rev=3D32591&view=3Dauto
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/reloc.cpp (added)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/reloc.cpp Fri Mar 7 07:53:55 2008
@@ -1,0 +1,192 @@
+#include "objectfile.h"
+#include "reloc.h"
+#include "section.h"
+#include "util.h"
+#include <assert.h>
+
+void AddReloc
+(std::vector<uint8_t> &reloc, =
+ uint32_t imageBase,
+ uint32_t &relocAddrOff,
+ uint32_t newReloc, int type)
+{
+ size_t oldsize =3D reloc.size(), oddsize =3D oldsize & sizeof(uint16_t=
);
+ uint8_t *relptr;
+ if (relocAddrOff =3D=3D (uint32_t)-1)
+ {
+ reloc.resize(sizeof(uint32_t) * 2 + sizeof(uint16_t));
+ relocAddrOff =3D 0;
+ *GetRelocTarget(reloc, relocAddrOff) =3D newReloc & ~0xfff;
+ relptr =3D &reloc[2 * sizeof(uint32_t)];
+ }
+ else if (type !=3D -1 && ((newReloc & ~0xfff) !=3D *GetRelocTarget(rel=
oc, relocAddrOff)))
+ {
+ reloc.resize(reloc.size() + 2 * sizeof(uint32_t) + sizeof(uint16_t=
) + oddsize);
+ relptr =3D &reloc[oldsize + oddsize];
+ uint8_t *oldptr =3D (uint8_t*)GetRelocTarget(reloc, relocAddrOff);
+ le32write_postinc(oldptr, *GetRelocTarget(reloc, relocAddrOff) - imageBas=
e);
+ le32write_postinc(oldptr, relptr - &reloc[0] - relocAddrOff);
+ relocAddrOff =3D relptr - &reloc[0];
+ *GetRelocTarget(reloc, relocAddrOff) =3D newReloc & ~0xfff;
+ relptr +=3D sizeof(uint32_t);
+ le32write_postinc(relptr, 0);
+ }
+ else
+ {
+ reloc.resize(reloc.size() + sizeof(uint16_t));
+ relptr =3D &reloc[oldsize];
+ }
+
+ le16write(relptr, type << 12 | newReloc & 0xfff);
+}
+
+#define ADDR24_MASK 0xfc000003
+
+void SingleReloc
+(const ElfObjectFile &eof,
+ uint8_t *relptr, int relocsize, =
+ const std::vector<section_mapping_t> &rvas,
+ const ElfObjectFile::Section &symbols,
+ const ElfObjectFile::Section &target,
+ std::vector<uint8_t> &relocSect,
+ uint32_t imageBase,
+ uint32_t &relocAddr)
+{
+ int j;
+ Elf32_Rela reloc =3D { 0 };
+ Elf32_Sym symbol;
+ uint8_t *symptr;
+ uint32_t S,A,P;
+ =
+ /* Get the reloc */
+ memcpy(&reloc, relptr, relocsize);
+#if 0
+ printf("RELOC: offset %08x info %08x addend %08x [%02x %06x]\n", =
+ reloc.r_offset, reloc.r_info, reloc.r_addend,
+ ELF32_R_TYPE(reloc.r_info), ELF32_R_SYM(reloc.r_info));
+#endif
+ =
+ /* Get the symbol */
+ symptr =3D &symbols.getSectionData()
+ [ELF32_R_SYM(reloc.r_info) * sizeof(symbol)];
+ memcpy(&symbol, symptr, sizeof(symbol));
+
+ /* Compute addends */
+ S =3D symbol.st_value - =
+ eof.getSection(symbol.st_shndx).getStartRva() + =
+ FindRVA(rvas, symbol.st_shndx) + =
+ imageBase;
+ A =3D reloc.r_addend;
+ P =3D reloc.r_offset + FindRVA(rvas, target.getNumber()) - target.getS=
tartRva();
+ //printf("start of target elf section %08x\n", target.getStartRva());
+
+#if 0
+ printf("SYMBOL: value %08x size %08x info %02x other %02x shndx %08x t=
otal %08x\n",
+ symbol.st_value,
+ symbol.st_size,
+ symbol.st_info,
+ symbol.st_other,
+ symbol.st_shndx,
+ S);
+#endif
+
+ uint8_t *Target =3D TargetPtr(rvas, target, P);
+ uint8_t *tword =3D TargetPtr(rvas, target, P & ~3);
+ uint8_t oldBytes[sizeof(uint32_t)];
+ memcpy(oldBytes, tword, sizeof(oldBytes));
+ =
+ P +=3D imageBase;
+
+ switch (ELF32_R_TYPE(reloc.r_info))
+ {
+ case R_PPC_NONE:
+ break;
+ case R_PPC_ADDR32:
+ //printf("ADDR32 S %08x A %08x P %08x\n", S, A, P);
+ be32write(Target, S + A);
+ AddReloc(relocSect, imageBase, relocAddr, P, 3);
+ break;
+ case R_PPC_REL32:
+ //printf("REL32 S %08x A %08x P %08x\n", S, A, P);
+ be32write(Target, S + A - P);
+ break;
+ case R_PPC_UADDR32: /* Special: Treat as RVA */
+ //printf("UADDR32 S %08x A %08x P %08x\n", S, A, P);
+ be32write(Target, S + A - imageBase);
+ break;
+ case R_PPC_REL24:
+ //printf("REL24 S %08x A %08x P %08x\n", S, A, P);
+ //printf("New Offset: %08x to Addr %08x from %08x\n", S+A-P, S+A, =
P);
+ be32write(Target, ((S+A-P) & ~ADDR24_MASK) | (be32read(Target) & A=
DDR24_MASK));
+ break;
+ case R_PPC_ADDR16_LO:
+ //printf("ADDR16_LO S %08x A %08x P %08x\n", S, A, P);
+ be16write(Target, S + A);
+ AddReloc(relocSect, imageBase, relocAddr, P, 2);
+ break;
+ case R_PPC_ADDR16_HA:
+ //printf("ADDR16_HA S %08x A %08x P %08x\n", S, A, P);
+ be16write(Target, (S + A + 0x8000) >> 16);
+ AddReloc(relocSect, imageBase, relocAddr, P, 4);
+ AddReloc(relocSect, imageBase, relocAddr, S + A, -1);
+ break;
+ default:
+ break;
+ }
+
+ uint8_t newBytes[sizeof(uint32_t)];
+ memcpy(newBytes, tword, sizeof(newBytes));
+#if 0
+ printf("Reloc changed %08x [%02x %02x %02x %02x] --> [%02x %02x %02x %=
02x]\n",
+ P & ~3,
+ oldBytes[0],
+ oldBytes[1],
+ oldBytes[2],
+ oldBytes[3],
+ newBytes[0],
+ newBytes[1],
+ newBytes[2],
+ newBytes[3]);
+#endif
+}
+
+void SingleRelocSection
+(const ElfObjectFile &obf, =
+ const ElfObjectFile::Section §ion,
+ const std::vector<section_mapping_t> &rvas,
+ std::vector<uint8_t> &relocData,
+ uint32_t imageBase,
+ uint32_t &relocAddr)
+{
+ Elf32_Rela reloc =3D { };
+ uint8_t *Target;
+ int numreloc, relstart, relsize, j;
+ uint8_t *sectionData =3D section.getSectionData();
+ =
+ relsize =3D section.getType() =3D=3D SHT_RELA ? 12 : 8;
+ numreloc =3D section.logicalSize() / relsize;
+ const ElfObjectFile::Section &targetSection =3D obf.getSection(section=
.getInfo());
+
+ /* Don't relocate non-program section */
+ if (!(targetSection.getFlags() & SHF_ALLOC))
+ return;
+
+ targetSection.setDirty();
+
+ /* Get the symbol section */
+ const ElfObjectFile::Section &symbolSection =3D obf.getSection(section=
.getLink());
+
+ for(j =3D 0; j < numreloc; j++)
+ {
+ SingleReloc
+ (obf,
+ sectionData + j * relsize, =
+ relsize,
+ rvas,
+ symbolSection,
+ targetSection,
+ relocData,
+ imageBase,
+ relocAddr);
+ }
+}
Propchange: trunk/tools/RosBE/RosBE-PPC/elfpe/reloc.cpp
---------------------------------------------------------------------------=
---
svn:eol-style =3D native
Propchange: trunk/tools/RosBE/RosBE-PPC/elfpe/reloc.cpp
---------------------------------------------------------------------------=
---
svn:executable =3D *
Added: trunk/tools/RosBE/RosBE-PPC/elfpe/reloc.h
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/r=
eloc.h?rev=3D32591&view=3Dauto
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/reloc.h (added)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/reloc.h Fri Mar 7 07:53:55 2008
@@ -1,0 +1,22 @@
+#ifndef _ELFPE_RELOC_H
+#define _ELFPE_RELOC_H
+
+#include <vector>
+#include "section.h"
+#include "objectfile.h"
+
+void SingleRelocSection
+(const ElfObjectFile &obf,
+ const ElfObjectFile::Section §ion,
+ const std::vector<section_mapping_t> &rvas,
+ std::vector<uint8_t> &relocData,
+ uint32_t imageBase,
+ uint32_t &relocAddr);
+
+void AddReloc
+(std::vector<uint8_t> &reloc, =
+ uint32_t imageBase,
+ uint32_t &relocAddrOff,
+ uint32_t newReloc, int type);
+
+#endif//_ELFPE_RELOC_H
Propchange: trunk/tools/RosBE/RosBE-PPC/elfpe/reloc.h
---------------------------------------------------------------------------=
---
svn:eol-style =3D native
Propchange: trunk/tools/RosBE/RosBE-PPC/elfpe/reloc.h
---------------------------------------------------------------------------=
---
svn:executable =3D *
Added: trunk/tools/RosBE/RosBE-PPC/elfpe/section.h
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/s=
ection.h?rev=3D32591&view=3Dauto
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/section.h (added)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/section.h Fri Mar 7 07:53:55 2008
@@ -1,0 +1,16 @@
+#ifndef COMPDVR_SECTION_H
+#define COMPDVR_SECTION_H
+
+typedef struct section_mapping_t {
+ const ElfObjectFile::Section *section;
+ uint32_t rva;
+ int index;
+ =
+ section_mapping_t
+ (const ElfObjectFile::Section *sect, uint32_t rva, int index) :
+ section(sect), rva(rva), index(index) { }
+ section_mapping_t(const section_mapping_t &other) :
+ section(other.section), rva(other.rva), index(other.index) { }
+} section_mapping_t;
+
+#endif//COMPDVR_SECTION_H
Propchange: trunk/tools/RosBE/RosBE-PPC/elfpe/section.h
---------------------------------------------------------------------------=
---
svn:eol-style =3D native
Modified: trunk/tools/RosBE/RosBE-PPC/elfpe/util.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/u=
til.cpp?rev=3D32591&r1=3D32590&r2=3D32591&view=3Ddiff
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/util.cpp (original)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/util.cpp Fri Mar 7 07:53:55 2008
@@ -1,4 +1,5 @@
#include "util.h"
+#include <assert.h>
=
uint32_t roundup(uint32_t value, int round)
{
@@ -34,7 +35,29 @@
le32write_postinc(dataptr, value.second);
}
=
-uint16_t be16read(uint8_t *dataptr)
+void be16write_postinc(uint8_t *&dataptr, uint16_t value)
+{
+ *dataptr++ =3D value >> 8;
+ *dataptr++ =3D value;
+}
+
+void be16write(uint8_t *dataptr, uint16_t value)
+{
+ be16write_postinc(dataptr, value);
+}
+
+void be32write_postinc(uint8_t *&dataptr, uint32_t value)
+{
+ be16write_postinc(dataptr, value >> 16);
+ be16write_postinc(dataptr, value);
+}
+
+void be32write(uint8_t *dataptr, uint32_t value)
+{
+ be32write_postinc(dataptr, value);
+}
+
+uint16_t be16read(uint8_t *dataptr) =
{
return dataptr[0] << 8 | dataptr[1];
}
@@ -48,7 +71,7 @@
=
uint32_t be32read(uint8_t *dataptr)
{
- return be16read(dataptr) << 16 | be16read(dataptr+2);
+ return (be16read(dataptr) << 16) | be16read(dataptr+2);
}
=
uint32_t be32read_postinc(uint8_t *&dataptr)
@@ -57,3 +80,35 @@
dataptr +=3D 4;
return res;
}
+
+uint32_t FindRVA(const std::vector<section_mapping_t> &mapping, int secnum)
+{
+ int i;
+ for (i =3D 0; i < mapping.size(); i++)
+ if (mapping[i].section->getNumber() =3D=3D secnum) return mapping[i].rva;
+ return 0;
+}
+
+uint8_t *TargetPtr
+(const std::vector<section_mapping_t> &mapping, =
+ const ElfObjectFile::Section &target, uint32_t va)
+{
+ uint32_t srva =3D FindRVA(mapping, target.getNumber());
+ uint32_t off =3D va - srva;
+#if 0
+ printf
+ ("Relocating against VA %08x in section (%08x-%08x) %s\n", =
+ va, =
+ srva, =
+ srva + target.logicalSize(), =
+ target.getName().c_str());
+#endif
+ assert(off < target.logicalSize());
+ return target.getSectionData() + off;
+}
+
+uint32_t *GetRelocTarget(const std::vector<uint8_t> &reloc, uint32_t off)
+{
+ return (uint32_t *)(&reloc[0] + off);
+}
+
Modified: trunk/tools/RosBE/RosBE-PPC/elfpe/util.h
URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-PPC/elfpe/u=
til.h?rev=3D32591&r1=3D32590&r2=3D32591&view=3Ddiff
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/tools/RosBE/RosBE-PPC/elfpe/util.h (original)
+++ trunk/tools/RosBE/RosBE-PPC/elfpe/util.h Fri Mar 7 07:53:55 2008
@@ -1,8 +1,11 @@
#ifndef COMPDVR_UTIL_H
#define COMPDVR_UTIL_H
=
+#include <vector>
#include <utility>
#include <stdint.h>
+#include "objectfile.h"
+#include "section.h"
=
void le16write(uint8_t *dataptr, uint16_t value);
void le16write_postinc(uint8_t *&dataptr, uint16_t value);
@@ -12,6 +15,10 @@
uint16_t le16read_postinc(uint8_t *&dataptr);
uint32_t le32read(uint8_t *dataptr);
uint32_t le32read_postinc(uint8_t *&dataptr);
+void be16write(uint8_t *dataptr, uint16_t value);
+void be16write_postinc(uint8_t *&dataptr, uint16_t value);
+void be32write(uint8_t *dataptr, uint32_t value);
+void be32write_postinc(uint8_t *&dataptr, uint32_t value);
uint16_t be16read(uint8_t *dataptr);
uint16_t be16read_postinc(uint8_t *&dataptr);
uint32_t be32read(uint8_t *dataptr);
@@ -21,4 +28,10 @@
void le32pwrite(uint8_t *dataptr, const u32pair_t &pair);
uint32_t roundup(uint32_t value, int round);
=
+uint32_t FindRVA(const std::vector<section_mapping_t> &mapping, int secnum=
);
+uint8_t *TargetPtr
+(const std::vector<section_mapping_t> &mapping, =
+ const ElfObjectFile::Section &target, uint32_t va);
+uint32_t *GetRelocTarget(const std::vector<uint8_t> &reloc, uint32_t off);
+
#endif//COMPDVR_UTIL_H
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