From 997b2c90efc28163f70ab018086173dec9864b34 Mon Sep 17 00:00:00 2001 From: Eli Zaretskii Date: Mon, 3 Jul 2023 19:02:16 +0300 Subject: Remove files in the nt/ directory that are unused for a long time * nt/configure.bat: * nt/ftime-nostartup.bat: * nt/ftime.bat: * nt/preprep.c: Remove old unused files. --- nt/configure.bat | 26 -- nt/ftime-nostartup.bat | 24 -- nt/ftime.bat | 24 -- nt/preprep.c | 830 ------------------------------------------------- 4 files changed, 904 deletions(-) delete mode 100755 nt/configure.bat delete mode 100755 nt/ftime-nostartup.bat delete mode 100644 nt/ftime.bat delete mode 100644 nt/preprep.c (limited to 'nt') diff --git a/nt/configure.bat b/nt/configure.bat deleted file mode 100755 index d63929527f7..00000000000 --- a/nt/configure.bat +++ /dev/null @@ -1,26 +0,0 @@ -@echo off -rem ---------------------------------------------------------------------- -rem This was the old configuration script for MS Windows operating systems -rem Copyright (C) 1999-2023 Free Software Foundation, Inc. - -rem This file is part of GNU Emacs. - -rem GNU Emacs is free software: you can redistribute it and/or modify -rem it under the terms of the GNU General Public License as published by -rem the Free Software Foundation, either version 3 of the License, or -rem (at your option) any later version. - -rem GNU Emacs is distributed in the hope that it will be useful, -rem but WITHOUT ANY WARRANTY; without even the implied warranty of -rem MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -rem GNU General Public License for more details. - -rem You should have received a copy of the GNU General Public License -rem along with GNU Emacs. If not, see https://www.gnu.org/licenses/. - -rem ---------------------------------------------------------------------- -echo **************************************************************** -echo *** THIS METHOD OF BUILDING EMACS IS NO LONGER SUPPORTED. ** -echo *** INSTEAD, FOLLOW THE INSTRUCTIONS IN THE FILE INSTALL. ** -echo *** IN THE SAME DIRECTORY AS THIS BATCH FILE. ** -echo **************************************************************** diff --git a/nt/ftime-nostartup.bat b/nt/ftime-nostartup.bat deleted file mode 100755 index f9e93b7f967..00000000000 --- a/nt/ftime-nostartup.bat +++ /dev/null @@ -1,24 +0,0 @@ -@echo off -if (%1)==() echo Usage: %0 tracefile -if (%1)==() goto done -rem Need to fiddle with the dumped image so prep doesn't break it -obj\i386\preprep ..\src\obj\i386\emacs.exe ..\src\obj\i386\pemacs.exe -copy ..\src\obj\i386\temacs.map ..\src\obj\i386\pemacs.map -rem ----------------------------------------------------------------- -rem Use this version to profile explicit commands only. -rem prep /om /ft /sf _Fexecute_extended_command ..\src\obj\i386\pemacs -rem ----------------------------------------------------------------- -rem Use this version to ignore startup code -prep /om /ft /sf _command_loop_1 ..\src\obj\i386\pemacs -rem ----------------------------------------------------------------- -rem Use this version to include startup code -rem prep /om /ft ..\src\obj\i386\pemacs -rem ----------------------------------------------------------------- -if errorlevel 1 goto done -profile ..\src\obj\i386\pemacs %2 %3 %4 %5 %6 %7 %8 %9 -if errorlevel 1 goto done -prep /m ..\src\obj\i386\pemacs -if errorlevel 1 goto done -plist ..\src\obj\i386\pemacs > %1 -:done - diff --git a/nt/ftime.bat b/nt/ftime.bat deleted file mode 100644 index b7cdf968c1e..00000000000 --- a/nt/ftime.bat +++ /dev/null @@ -1,24 +0,0 @@ -@echo off -if (%1)==() echo Usage: %0 tracefile -if (%1)==() goto done -rem Need to fiddle with the dumped image so prep doesn't break it -obj\i386\preprep ..\src\obj\i386\emacs.exe ..\src\obj\i386\pemacs.exe -copy ..\src\obj\i386\temacs.map ..\src\obj\i386\pemacs.map -rem ----------------------------------------------------------------- -rem Use this version to profile explicit commands only. -prep /om /ft /sf _Fexecute_extended_command ..\src\obj\i386\pemacs -rem ----------------------------------------------------------------- -rem Use this version to ignore startup code -rem prep /om /ft /sf _command_loop_1 ..\src\obj\i386\pemacs -rem ----------------------------------------------------------------- -rem Use this version to include startup code -rem prep /om /ft ..\src\obj\i386\pemacs -rem ----------------------------------------------------------------- -if errorlevel 1 goto done -profile ..\src\obj\i386\pemacs %2 %3 %4 %5 %6 %7 %8 %9 -if errorlevel 1 goto done -prep /m ..\src\obj\i386\pemacs -if errorlevel 1 goto done -plist ..\src\obj\i386\pemacs > %1 -:done - diff --git a/nt/preprep.c b/nt/preprep.c deleted file mode 100644 index 618a260f12f..00000000000 --- a/nt/preprep.c +++ /dev/null @@ -1,830 +0,0 @@ -/* Pre-process emacs.exe for profiling by MSVC. - Copyright (C) 1999, 2001-2023 Free Software Foundation, Inc. - -This file is part of GNU Emacs. - -GNU Emacs 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 3 of the License, or (at -your option) any later version. - -GNU Emacs 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 GNU Emacs. If not, see . - - - Andrew Innes 16-Jan-1999 - based on code from addsection.c -*/ - -#define DEFER_MS_W32_H -#include - -#include -#include -#include -#include -#if defined(__GNUC__) && !defined(MINGW_W64) -#define _ANONYMOUS_UNION -#define _ANONYMOUS_STRUCT -#endif -#include - -/* Include relevant definitions from IMAGEHLP.H, which can be found - in \\win32sdk\mstools\samples\image\include\imagehlp.h. */ - -PIMAGE_NT_HEADERS (__stdcall * pfnCheckSumMappedFile) (LPVOID BaseAddress, - DWORD_PTR FileLength, - PDWORD_PTR HeaderSum, - PDWORD_PTR CheckSum); - -#undef min -#undef max -#define min(x, y) (((x) < (y)) ? (x) : (y)) -#define max(x, y) (((x) > (y)) ? (x) : (y)) - - -/* File handling. */ - -typedef struct file_data { - const char *name; - unsigned long size; - HANDLE file; - HANDLE file_mapping; - unsigned char *file_base; -} file_data; - -int -open_input_file (file_data *p_file, const char *filename) -{ - HANDLE file; - HANDLE file_mapping; - void *file_base; - unsigned long size, upper_size; - - file = CreateFile (filename, GENERIC_READ, FILE_SHARE_READ, NULL, - OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); - if (file == INVALID_HANDLE_VALUE) - return FALSE; - - size = GetFileSize (file, &upper_size); - file_mapping = CreateFileMapping (file, NULL, PAGE_READONLY, - 0, size, NULL); - if (!file_mapping) - return FALSE; - - file_base = MapViewOfFile (file_mapping, FILE_MAP_READ, 0, 0, size); - if (file_base == 0) - return FALSE; - - p_file->name = filename; - p_file->size = size; - p_file->file = file; - p_file->file_mapping = file_mapping; - p_file->file_base = file_base; - - return TRUE; -} - -int -open_output_file (file_data *p_file, const char *filename, unsigned long size) -{ - HANDLE file; - HANDLE file_mapping; - void *file_base; - - file = CreateFile (filename, GENERIC_READ | GENERIC_WRITE, 0, NULL, - CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); - if (file == INVALID_HANDLE_VALUE) - return FALSE; - - file_mapping = CreateFileMapping (file, NULL, PAGE_READWRITE, - 0, size, NULL); - if (!file_mapping) - return FALSE; - - file_base = MapViewOfFile (file_mapping, FILE_MAP_WRITE, 0, 0, size); - if (file_base == 0) - return FALSE; - - p_file->name = filename; - p_file->size = size; - p_file->file = file; - p_file->file_mapping = file_mapping; - p_file->file_base = file_base; - - return TRUE; -} - -int -open_inout_file (file_data *p_file, const char *filename) -{ - HANDLE file; - HANDLE file_mapping; - void *file_base; - unsigned long size, upper_size; - - file = CreateFile (filename, GENERIC_READ | GENERIC_WRITE, 0, NULL, - OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); - if (file == INVALID_HANDLE_VALUE) - return FALSE; - - size = GetFileSize (file, &upper_size); - file_mapping = CreateFileMapping (file, NULL, PAGE_READWRITE, - 0, size, NULL); - if (!file_mapping) - return FALSE; - - file_base = MapViewOfFile (file_mapping, FILE_MAP_WRITE, 0, 0, size); - if (file_base == 0) - return FALSE; - - p_file->name = filename; - p_file->size = size; - p_file->file = file; - p_file->file_mapping = file_mapping; - p_file->file_base = file_base; - - return TRUE; -} - -/* Close the system structures associated with the given file. */ -void -close_file_data (file_data *p_file) -{ - UnmapViewOfFile (p_file->file_base); - CloseHandle (p_file->file_mapping); - /* For the case of output files, set final size. */ - SetFilePointer (p_file->file, p_file->size, NULL, FILE_BEGIN); - SetEndOfFile (p_file->file); - CloseHandle (p_file->file); -} - - -/* Routines to manipulate NT executable file sections. */ - -unsigned long -get_unrounded_section_size (PIMAGE_SECTION_HEADER p_section) -{ - /* The true section size, before rounding, for an initialized data or - code section. (Supposedly some linkers swap the meaning of these - two values.) */ - return min (p_section->SizeOfRawData, - p_section->Misc.VirtualSize); -} - -/* Return pointer to section header for named section. */ -IMAGE_SECTION_HEADER * -find_section (const char *name, IMAGE_NT_HEADERS *nt_header) -{ - PIMAGE_SECTION_HEADER section; - int i; - - section = IMAGE_FIRST_SECTION (nt_header); - - for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++) - { - if (strcmp (section->Name, name) == 0) - return section; - section++; - } - return NULL; -} - -/* Return pointer to section header for section containing the given - relative virtual address. */ -IMAGE_SECTION_HEADER * -rva_to_section (DWORD_PTR rva, IMAGE_NT_HEADERS * nt_header) -{ - PIMAGE_SECTION_HEADER section; - int i; - - section = IMAGE_FIRST_SECTION (nt_header); - - for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++) - { - /* Some linkers (eg. the NT SDK linker I believe) swapped the - meaning of these two values - or rather, they ignored - VirtualSize entirely and always set it to zero. This affects - some very old exes (eg. gzip dated Dec 1993). Since - w32_executable_type relies on this function to work reliably, - we need to cope with this. */ - DWORD_PTR real_size = max (section->SizeOfRawData, - section->Misc.VirtualSize); - if (rva >= section->VirtualAddress - && rva < section->VirtualAddress + real_size) - return section; - section++; - } - return NULL; -} - -/* Return pointer to section header for section containing the given - offset in its raw data area. */ -IMAGE_SECTION_HEADER * -offset_to_section (DWORD_PTR offset, IMAGE_NT_HEADERS * nt_header) -{ - PIMAGE_SECTION_HEADER section; - int i; - - section = IMAGE_FIRST_SECTION (nt_header); - - for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++) - { - if (offset >= section->PointerToRawData - && offset < section->PointerToRawData + section->SizeOfRawData) - return section; - section++; - } - return NULL; -} - -/* Return offset to an object in dst, given offset in src. We assume - there is at least one section in both src and dst images, and that - the some sections may have been added to dst (after sections in src). */ -static DWORD_PTR -relocate_offset (DWORD_PTR offset, - IMAGE_NT_HEADERS * src_nt_header, - IMAGE_NT_HEADERS * dst_nt_header) -{ - PIMAGE_SECTION_HEADER src_section = IMAGE_FIRST_SECTION (src_nt_header); - PIMAGE_SECTION_HEADER dst_section = IMAGE_FIRST_SECTION (dst_nt_header); - int i = 0; - - while (offset >= src_section->PointerToRawData) - { - if (offset < src_section->PointerToRawData + src_section->SizeOfRawData) - break; - i++; - if (i == src_nt_header->FileHeader.NumberOfSections) - { - /* Handle offsets after the last section. */ - dst_section = IMAGE_FIRST_SECTION (dst_nt_header); - dst_section += dst_nt_header->FileHeader.NumberOfSections - 1; - while (dst_section->PointerToRawData == 0) - dst_section--; - while (src_section->PointerToRawData == 0) - src_section--; - return offset - + (dst_section->PointerToRawData + dst_section->SizeOfRawData) - - (src_section->PointerToRawData + src_section->SizeOfRawData); - } - src_section++; - dst_section++; - } - return offset + - (dst_section->PointerToRawData - src_section->PointerToRawData); -} - -#define OFFSET_TO_RVA(offset, section) \ - ((section)->VirtualAddress + ((DWORD_PTR)(offset) - (section)->PointerToRawData)) - -#define RVA_TO_OFFSET(rva, section) \ - ((section)->PointerToRawData + ((DWORD_PTR)(rva) - (section)->VirtualAddress)) - -#define RVA_TO_SECTION_OFFSET(rva, section) \ - ((DWORD_PTR)(rva) - (section)->VirtualAddress) - -#define RVA_TO_PTR(var,section,filedata) \ - ((void *)((unsigned char *)(RVA_TO_OFFSET(var,section) + (filedata)->file_base))) - -/* Convert address in executing image to RVA. */ -#define PTR_TO_RVA(ptr) ((DWORD_PTR)(ptr) - (DWORD_PTR) GetModuleHandle (NULL)) - -#define PTR_TO_OFFSET(ptr, pfile_data) \ - ((unsigned const char *)(ptr) - (pfile_data)->file_base) - -#define OFFSET_TO_PTR(offset, pfile_data) \ - ((pfile_data)->file_base + (DWORD_PTR)(offset)) - -#define ROUND_UP(p, align) \ - (((DWORD_PTR)(p) + (align)-1) & ~((DWORD_PTR)(align)-1)) -#define ROUND_DOWN(p, align) ((DWORD_PTR)(p) & ~((DWORD_PTR)(align)-1)) - - -/* The MSVC prep program generates a ._xe file from .exe, where relevant - function calls etc have been patched to go through thunks (generated - by prep) that record timing/call information. Because the thunks - need to make references to functions imported from profile.dll, the - import table must be expanded; the end result is that all the - sections following .rdata are relocated to higher RVAs (add a final - code section is added holding all the thunks). The .reloc section is - also expanded, so that the thunks themselves are relocatable. - - It is this relocation which kills emacs._xe, because the dumped heap - pointers aren't relocated, because there is no relocation data for - either the relevant global/static variables or the heap section - itself, both of which contain pointers into the heap. [Note that - static variables which aren't initialized during linking may become - initialized with heap pointers, or even pointers to other static - variables, because of dumping.] - - We could potentially generate the relocation data ourselves by making - two versions of temacs, one with an extra dummy section before - EMHEAP to offset it, and then compare the dumped executables from - both. That is a lot of work though, and it doesn't solve the problem - of dumped pointers to static variables, which also can be relocated. - - A better solution is to pre-process emacs.exe so that the .rdata and - .reloc sections are moved to the end of the section table, and thus - prep won't relocate anything else. (Of course, we leave "dead" - copies of these two sections in place, so that the virtual address of - everything else is unaffected.) Relocating the .reloc data is - trivial - we just update the IMAGE_BASE_RELOCATION address in the - header (the data itself doesn't change). Relocating the import table - is more complicated though, because the calls to imported functions - must be patched up. That requires us to selectively apply the base - relocations when we encounter references to imported functions (or - variables) in other sections, but at least the base relocations are - easy to parse. */ - -static void -copy_executable_and_move_sections (file_data *p_infile, - file_data *p_outfile) -{ - unsigned char *dst; - PIMAGE_DOS_HEADER dos_header; - PIMAGE_NT_HEADERS nt_header; - PIMAGE_NT_HEADERS dst_nt_header; - PIMAGE_SECTION_HEADER section; - PIMAGE_SECTION_HEADER dst_section; - PIMAGE_SECTION_HEADER import_section; - PIMAGE_SECTION_HEADER reloc_section; - PIMAGE_DATA_DIRECTORY import_dir; - PIMAGE_DATA_DIRECTORY reloc_dir; - DWORD_PTR import_delta_rva; - DWORD_PTR reloc_delta_rva; - DWORD_PTR offset; - int i; - -#define COPY_CHUNK(message, src, size) \ - do { \ - unsigned const char *s = (void *)(src); \ - unsigned long count = (size); \ - printf ("%s\n", (message)); \ - printf ("\t0x%08x Offset in input file.\n", s - p_infile->file_base); \ - printf ("\t0x%08x Offset in output file.\n", dst - p_outfile->file_base); \ - printf ("\t0x%08x Size in bytes.\n", count); \ - memcpy (dst, s, count); \ - dst += count; \ - } while (0) - -#define DST_TO_OFFSET() PTR_TO_OFFSET (dst, p_outfile) -#define ROUND_UP_DST_AND_ZERO(align) \ - do { \ - unsigned char *newdst = p_outfile->file_base \ - + ROUND_UP (DST_TO_OFFSET (), (align)); \ - /* Zero the alignment slop; it may actually initialize real data. */ \ - memset (dst, 0, newdst - dst); \ - dst = newdst; \ - } while (0) - - /* Copy the source image sequentially, ie. section by section after - copying the headers and section table, to simplify the process of - relocating the .rdata and .reloc section table entries (which might - force the raw section data to be relocated). - - Note that dst is updated implicitly by each COPY_CHUNK. */ - - dos_header = (PIMAGE_DOS_HEADER) p_infile->file_base; - nt_header = (PIMAGE_NT_HEADERS) (((unsigned char *) dos_header) + - dos_header->e_lfanew); - section = IMAGE_FIRST_SECTION (nt_header); - - import_dir = &nt_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT]; - import_section = rva_to_section (import_dir->VirtualAddress, nt_header); - - reloc_dir = &nt_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC]; - reloc_section = rva_to_section (reloc_dir->VirtualAddress, nt_header); - if (!reloc_section) - { - printf ("No relocation data, cannot prepare for profile prepping.\n"); - exit (1); - } - - dst = (unsigned char *) p_outfile->file_base; - - COPY_CHUNK ("Copying DOS header...", dos_header, - (DWORD_PTR) nt_header - (DWORD_PTR) dos_header); - dst_nt_header = (PIMAGE_NT_HEADERS) dst; - COPY_CHUNK ("Copying NT header...", nt_header, - (DWORD_PTR) section - (DWORD_PTR) nt_header); - dst_section = (PIMAGE_SECTION_HEADER) dst; - COPY_CHUNK ("Copying section table...", section, - nt_header->FileHeader.NumberOfSections * sizeof (*section)); - - /* Leave room for extra section table entries; filled in below. */ - dst += 2 * sizeof (*section); - - /* Align the first section's raw data area, and set the header size - field accordingly. */ - ROUND_UP_DST_AND_ZERO (dst_nt_header->OptionalHeader.FileAlignment); - dst_nt_header->OptionalHeader.SizeOfHeaders = DST_TO_OFFSET (); - - for (i = 0; i < nt_header->FileHeader.NumberOfSections; - i++, section++, dst_section++) - { - char msg[100]; - sprintf (msg, "Copying raw data for %s...", section->Name); - - /* "Blank out" the two sections being relocated. */ - if (section == import_section || section == reloc_section) - { - dst_section->Name[0] = 'X'; - dst_section->Misc.VirtualSize = - ROUND_UP (dst_section->Misc.VirtualSize, - dst_nt_header->OptionalHeader.SectionAlignment); - dst_section->PointerToRawData = 0; - dst_section->SizeOfRawData = 0; - dst_section->Characteristics &= ~IMAGE_SCN_CNT_INITIALIZED_DATA; - dst_section->Characteristics |= IMAGE_SCN_CNT_UNINITIALIZED_DATA; - dst_section->Characteristics &= ~IMAGE_SCN_MEM_WRITE; - continue; - } - - /* Update the file-relative offset for this section's raw data (if - it has any) in case things have been relocated; we will update - the other offsets below once we know where everything is. */ - if (dst_section->PointerToRawData) - dst_section->PointerToRawData = DST_TO_OFFSET (); - - /* Copy the original raw data. */ - COPY_CHUNK - (msg, OFFSET_TO_PTR (section->PointerToRawData, p_infile), - section->SizeOfRawData); - - /* Round up the raw data size to the new alignment. */ - dst_section->SizeOfRawData = - ROUND_UP (dst_section->SizeOfRawData, - dst_nt_header->OptionalHeader.FileAlignment); - - /* Align the next section's raw data area. */ - ROUND_UP_DST_AND_ZERO (dst_nt_header->OptionalHeader.FileAlignment); - } - - /* Add the extra section entries, copying the raw data we skipped - earlier. We'll patch up the data itself below. */ - if (import_section != NULL) - { - dst_nt_header->FileHeader.NumberOfSections++; - dst_nt_header->OptionalHeader.SizeOfImage += - ROUND_UP (import_section->Misc.VirtualSize, - dst_nt_header->OptionalHeader.SectionAlignment); - *dst_section = *import_section; - dst_section->VirtualAddress = - dst_section[-1].VirtualAddress - + ROUND_UP (dst_section[-1].Misc.VirtualSize, - dst_nt_header->OptionalHeader.SectionAlignment); - dst_section->PointerToRawData = DST_TO_OFFSET (); - /* Remember delta applied to import section. */ - import_delta_rva = dst_section->VirtualAddress - import_section->VirtualAddress; - COPY_CHUNK - ("Relocating import directory", - OFFSET_TO_PTR (import_section->PointerToRawData, p_infile), - import_section->SizeOfRawData); - ROUND_UP_DST_AND_ZERO (dst_nt_header->OptionalHeader.FileAlignment); - dst_section++; - } - if (reloc_section != NULL) - { - dst_nt_header->FileHeader.NumberOfSections++; - dst_nt_header->OptionalHeader.SizeOfImage += - ROUND_UP (reloc_section->Misc.VirtualSize, - dst_nt_header->OptionalHeader.SectionAlignment); - *dst_section = *reloc_section; - dst_section->VirtualAddress = - dst_section[-1].VirtualAddress - + ROUND_UP (dst_section[-1].Misc.VirtualSize, - dst_nt_header->OptionalHeader.SectionAlignment); - dst_section->PointerToRawData = DST_TO_OFFSET (); - /* Remember delta applied to reloc section. */ - reloc_delta_rva = dst_section->VirtualAddress - reloc_section->VirtualAddress; - COPY_CHUNK - ("Relocating base relocations directory", - OFFSET_TO_PTR (reloc_section->PointerToRawData, p_infile), - reloc_section->SizeOfRawData); - ROUND_UP_DST_AND_ZERO (dst_nt_header->OptionalHeader.FileAlignment); - reloc_dir = &dst_nt_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC]; - reloc_dir->VirtualAddress += reloc_delta_rva; - dst_section++; - } - - /* Copy remainder of source image. */ - section--; - offset = ROUND_UP (section->PointerToRawData + section->SizeOfRawData, - nt_header->OptionalHeader.FileAlignment); - COPY_CHUNK - ("Copying remainder of executable...", - OFFSET_TO_PTR (offset, p_infile), - p_infile->size - offset); - - /* Final size for new image. */ - p_outfile->size = DST_TO_OFFSET (); - - /* Now patch up remaining file-relative offsets. */ - printf ("Patching up raw data offsets...\n"); - - section = IMAGE_FIRST_SECTION (nt_header); - dst_section = IMAGE_FIRST_SECTION (dst_nt_header); - -#define ADJUST_OFFSET(var) \ - do { \ - if ((var) != 0) \ - (var) = relocate_offset ((var), nt_header, dst_nt_header); \ - } while (0) - -#define ADJUST_IMPORT_RVA(var) \ - do { \ - if ((var) != 0) \ - *((DWORD_PTR *)&(var)) += import_delta_rva; \ - } while (0) - - dst_nt_header->OptionalHeader.SizeOfInitializedData = 0; - dst_nt_header->OptionalHeader.SizeOfUninitializedData = 0; - for (i = 0; i < dst_nt_header->FileHeader.NumberOfSections; i++) - { - /* Recompute data sizes for completeness. */ - if (dst_section[i].Characteristics & IMAGE_SCN_CNT_INITIALIZED_DATA) - dst_nt_header->OptionalHeader.SizeOfInitializedData += - ROUND_UP (dst_section[i].Misc.VirtualSize, dst_nt_header->OptionalHeader.FileAlignment); - else if (dst_section[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA) - dst_nt_header->OptionalHeader.SizeOfUninitializedData += - ROUND_UP (dst_section[i].Misc.VirtualSize, dst_nt_header->OptionalHeader.FileAlignment); - - ADJUST_OFFSET (dst_section[i].PointerToLinenumbers); - } - - ADJUST_OFFSET (dst_nt_header->FileHeader.PointerToSymbolTable); - - /* Update offsets in debug directory entries. Note that the debug - directory may be in the same section as the import table, so its - RVA may need to be adjusted too. */ - { - PIMAGE_DATA_DIRECTORY debug_dir = - &dst_nt_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG]; - PIMAGE_DEBUG_DIRECTORY debug_entry; - - /* Update debug_dir if part of import_section. */ - if (rva_to_section (debug_dir->VirtualAddress, nt_header) == import_section) - debug_dir->VirtualAddress += import_delta_rva; - - section = rva_to_section (debug_dir->VirtualAddress, dst_nt_header); - if (section) - { - int size; - - debug_entry = RVA_TO_PTR (debug_dir->VirtualAddress, section, p_outfile); - size = debug_dir->Size / sizeof (IMAGE_DEBUG_DIRECTORY); - - for (i = 0; i < size; i++, debug_entry++) - { - /* The debug data itself is normally not part of any - section, but stored after all the raw section data. So - let relocate_offset do the work. */ - ADJUST_OFFSET (debug_entry->PointerToRawData); - ADJUST_IMPORT_RVA (debug_entry->AddressOfRawData); - } - } - } - - /* Update RVAs in import directory entries. */ - { - PIMAGE_IMPORT_DESCRIPTOR imports; - PIMAGE_THUNK_DATA import_thunks; - - import_dir = &dst_nt_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT]; - import_dir->VirtualAddress += import_delta_rva; - - section = rva_to_section (import_dir->VirtualAddress, dst_nt_header); - imports = RVA_TO_PTR (import_dir->VirtualAddress, section, p_outfile); - - for ( ; imports->Name != 0; imports++) - { - ADJUST_IMPORT_RVA (imports->OriginalFirstThunk); - ADJUST_IMPORT_RVA (imports->FirstThunk); - ADJUST_IMPORT_RVA (imports->Name); - - for (import_thunks = RVA_TO_PTR (imports->OriginalFirstThunk, section, p_outfile); - import_thunks->u1.Function != 0; - import_thunks++) - if ((import_thunks->u1.Ordinal >> 31) == 0) - ADJUST_IMPORT_RVA (import_thunks->u1.Ordinal); - - for (import_thunks = RVA_TO_PTR (imports->FirstThunk, section, p_outfile); - import_thunks->u1.Function != 0; - import_thunks++) - if ((import_thunks->u1.Ordinal >> 31) == 0) - ADJUST_IMPORT_RVA (import_thunks->u1.Ordinal); - } - - import_dir = &dst_nt_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT]; - import_dir->VirtualAddress += import_delta_rva; - } - - /* Fix up references to the import section. */ - printf ("Applying fixups to import references...\n"); - - { - IMAGE_BASE_RELOCATION *relocs, *block, *start_block, *end_block; - DWORD_PTR import_start = import_section->VirtualAddress + dst_nt_header->OptionalHeader.ImageBase; - DWORD_PTR import_end = import_start + import_section->Misc.VirtualSize; - DWORD_PTR len_import_relocs; - DWORD_PTR len_remaining_relocs; - int seen_high = 0; - WORD * high_word; - void * holder; - - reloc_dir = &dst_nt_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC]; - reloc_section = rva_to_section (reloc_dir->VirtualAddress, dst_nt_header); - relocs = RVA_TO_PTR (reloc_dir->VirtualAddress, reloc_section, p_outfile); - - /* Move the base relocations for the import section, if there are - any; the profiler needs to be able to patch RVAs in the import - section itself. */ - for (block = relocs, start_block = 0; - (DWORD_PTR) block - (DWORD_PTR) relocs < reloc_dir->Size; - block = (void *)((DWORD_PTR) block + block->SizeOfBlock)) - { - if (block->VirtualAddress >= import_section->VirtualAddress + import_section->Misc.VirtualSize) - { - end_block = block; - break; - } - if (block->VirtualAddress >= import_section->VirtualAddress) - { - if (start_block == 0) - start_block = block; - block->VirtualAddress += import_delta_rva; - } - } - if (start_block) - { - len_import_relocs = (DWORD_PTR) end_block - (DWORD_PTR) start_block; - len_remaining_relocs = (DWORD_PTR) relocs + reloc_dir->Size - (DWORD_PTR) end_block; - holder = malloc (len_import_relocs); - if (holder == 0) - abort (); - memcpy (holder, start_block, len_import_relocs); - memcpy (start_block, end_block, len_remaining_relocs); - memcpy ((char *) start_block + len_remaining_relocs, holder, len_import_relocs); - free (holder); - } - - /* Walk up the list of base relocations, checking for references - to the old import section location, and patching them to - reference the new location. */ - for (block = relocs; - (DWORD_PTR) block - (DWORD_PTR) relocs < reloc_dir->Size; - block = (void *)((DWORD_PTR) block + block->SizeOfBlock)) - { - DWORD_PTR page_rva = block->VirtualAddress; - DWORD_PTR page_offset; - union { - WORD word; - DWORD_PTR dword; - } * ploc; - WORD *fixup; - - section = rva_to_section (page_rva, dst_nt_header); - /* Don't apply fixups to the blanked sections. */ - if (section->Name[0] == 'X') - continue; - - for (fixup = (WORD *) &block[1]; - (DWORD_PTR) fixup - (DWORD_PTR) block < block->SizeOfBlock; - fixup++) - { - page_offset = (*fixup) & 0xfff; - ploc = RVA_TO_PTR (page_rva + page_offset, section, p_outfile); - - /* Unless our assumption is wrong, all low word fixups - should immediately follow a high fixup. */ - if (seen_high && ((*fixup) >> 12) != IMAGE_REL_BASED_LOW) - abort (); - - switch ((*fixup) >> 12) - { - case IMAGE_REL_BASED_ABSOLUTE: - break; - case IMAGE_REL_BASED_HIGH: - /* We must assume that high and low fixups occur in - pairs, specifically a low fixup immediately follows a - high fixup (normally separated by two bytes). We - have to process the two fixups together, to find out - the full pointer value and decide whether to apply - the fixup. */ - seen_high = 1; - high_word = &ploc->word; - break; - case IMAGE_REL_BASED_LOW: - offset = (*high_word << 16) + ploc->word; - if (offset >= import_start && offset < import_end) - { - (*high_word) += import_delta_rva >> 16; - ploc->dword += import_delta_rva & 0xffff; - } - seen_high = 0; - break; - case IMAGE_REL_BASED_HIGHLOW: - /* Docs imply two words in big-endian order, so perhaps - this is only used on big-endian platforms, in which - case the obvious code will work. */ - if (ploc->dword >= import_start && ploc->dword < import_end) - ploc->dword += import_delta_rva; - break; - case IMAGE_REL_BASED_HIGHADJ: - /* Docs don't say, but I guess this is the equivalent - for little-endian platforms. */ - if (ploc->dword >= import_start && ploc->dword < import_end) - ploc->dword += import_delta_rva; - break; - case IMAGE_REL_BASED_MIPS_JMPADDR: - /* Don't know how to handle this; MIPS support has been - dropped from NT4 anyway. */ - abort (); - break; -#ifdef IMAGE_REL_BASED_SECTION - case IMAGE_REL_BASED_SECTION: - case IMAGE_REL_BASED_REL32: - /* Docs don't say what these values mean. */ -#endif - default: - abort (); - } - } - } - } -} - - -int -main (int argc, char **argv) -{ - PIMAGE_DOS_HEADER dos_header; - PIMAGE_NT_HEADERS nt_header; - file_data in_file, out_file; - char out_filename[MAX_PATH], in_filename[MAX_PATH]; - - strcpy (in_filename, argv[1]); - strcpy (out_filename, argv[2]); - - printf ("Preparing %s for profile prepping\n", out_filename); - - /* Open the original (dumped) executable file for reference. */ - if (!open_input_file (&in_file, in_filename)) - { - printf ("Failed to open %s (%d)...bailing.\n", - in_filename, GetLastError ()); - exit (1); - } - - /* Create a new image that can be prepped; we don't expect the size to - change because we are only adding two new section table entries, - which should fit in the alignment slop. */ - if (!open_output_file (&out_file, out_filename, in_file.size)) - { - printf ("Failed to open %s (%d)...bailing.\n", - out_filename, GetLastError ()); - exit (1); - } - - copy_executable_and_move_sections (&in_file, &out_file); - - /* Patch up header fields; profiler is picky about this. */ - { - HANDLE hImagehelp = LoadLibrary ("imagehlp.dll"); - DWORD_PTR headersum; - DWORD_PTR checksum; - - dos_header = (PIMAGE_DOS_HEADER) out_file.file_base; - nt_header = (PIMAGE_NT_HEADERS) ((char *) dos_header + dos_header->e_lfanew); - - nt_header->OptionalHeader.CheckSum = 0; -// nt_header->FileHeader.TimeDateStamp = time (NULL); -// dos_header->e_cp = size / 512; -// nt_header->OptionalHeader.SizeOfImage = size; - - pfnCheckSumMappedFile = (void *) GetProcAddress (hImagehelp, "CheckSumMappedFile"); - if (pfnCheckSumMappedFile) - { -// nt_header->FileHeader.TimeDateStamp = time (NULL); - pfnCheckSumMappedFile (out_file.file_base, - out_file.size, - &headersum, - &checksum); - nt_header->OptionalHeader.CheckSum = checksum; - } - FreeLibrary (hImagehelp); - } - - close_file_data (&out_file); - close_file_data (&in_file); - - return 0; -} - -/* eof */ -- cgit v1.2.3