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author | Patrik Nyblom <[email protected]> | 2011-12-02 15:27:13 +0100 |
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committer | Patrik Nyblom <[email protected]> | 2011-12-02 15:27:40 +0100 |
commit | 0d273c54d93fd0ddf03f98d138f302442a0f65f9 (patch) | |
tree | 635977fc0ef2b8236c9d619c014a8b9f1d07af42 /erts/etc/win32/msys_tools/vc/coffix.c | |
parent | 86cd971ea4fee5fb596cd06e0dc8da60f4cf65d1 (diff) | |
parent | 42286b769c3cb6b9f8dd2dccf31e4232d6795d4e (diff) | |
download | otp-0d273c54d93fd0ddf03f98d138f302442a0f65f9.tar.gz otp-0d273c54d93fd0ddf03f98d138f302442a0f65f9.tar.bz2 otp-0d273c54d93fd0ddf03f98d138f302442a0f65f9.zip |
Merge branch 'pan/win64-port'
* pan/win64-port:
Update static cache
Back to not using 32bit time_t
Remove ancient WaitForInputIdle workaround
Iron out bugs in Win64 found in daily builds
Make Win64 build work both under MSYS and Cygwin
Fix aclocal.m4 to override changes in opu
Make whole of OTP build and release on Win64
Get cerl and distribution working in Win64
Get working prompt in Win64 using bootstrap code
Build Win64 Erlang emulator using MSYS
Add static win64 cache
OTP-9130
OTP-9766
Diffstat (limited to 'erts/etc/win32/msys_tools/vc/coffix.c')
-rw-r--r-- | erts/etc/win32/msys_tools/vc/coffix.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/erts/etc/win32/msys_tools/vc/coffix.c b/erts/etc/win32/msys_tools/vc/coffix.c new file mode 100644 index 0000000000..dee0132a61 --- /dev/null +++ b/erts/etc/win32/msys_tools/vc/coffix.c @@ -0,0 +1,161 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 1999-2009. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +/* +** This mini tool fixes an incompatibility between +** Microsoft's tools, who dont like the virtual size being put in +** the physical address field, but rely on the raw size field for +** sizing the ".bss" section. +** This fixes some of the problems with linking gcc compiled objects +** together with MSVC dito. +** +** Courtesy DJ Delorie for describing the COFF file format on +** http://www.delorie.com/djgpp/doc/coff/ +** The coff structures are fetched from Microsofts headers though. +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdarg.h> + +#include <windows.h> +#include <winnt.h> /* Structure definitions for PE (COFF) */ + +static int dump_edit(char *filename, int edit); +static int v_printf(char *format, ...); + + +char *progname; +int verbouse = 0; + +int main(int argc, char **argv) +{ + int findex = 1; + int edit = 0; + int ret; + + progname = argv[0]; + if (argc == 1) { + fprintf(stderr,"Format : %s [-e] [-v] <filename>\n", progname); + return 1; + } + for (findex = 1; + findex < argc && (*argv[findex] == '-' || *argv[findex] == '/'); + ++findex) + switch (argv[findex][1]) { + case 'e': + case 'E': + edit = 1; + break; + case 'v': + case 'V': + verbouse = 1; + default: + fprintf(stderr, "%s: unknown option %s\n", progname, argv[findex]); + break; + } + if (findex == argc) { + fprintf(stderr,"%s: No filenames given.\n", progname); + return 1; + } + for(; findex < argc; ++findex) + if ((ret = dump_edit(argv[findex],edit)) != 0) + return ret; + return 0; +} + +int dump_edit(char *filename, int edit) +{ + FILE *f = fopen(filename, (edit) ? "r+b" : "rb"); + IMAGE_FILE_HEADER filhdr; + IMAGE_SECTION_HEADER scnhdr; + int i; + + if (f == NULL) { + fprintf(stderr, "%s: cannot open %s.\n", progname, filename); + return 1; + } + + if (fread(&filhdr, sizeof(filhdr), 1, f) == 0) { + fprintf(stderr,"%s: Could not read COFF header from %s," + " is this a PE (COFF) file?\n", progname, filename); + fclose(f); + return 1; + } + v_printf("File: %s\n", filename); + v_printf("Magic number: 0x%08x\n", filhdr.Machine); + v_printf("Number of sections: %d\n",filhdr.NumberOfSections); + + if (fseek(f, (long) filhdr.SizeOfOptionalHeader, SEEK_CUR) != 0) { + fprintf(stderr,"%s: Could not read COFF optional header from %s," + " is this a PE (COFF) file?\n", progname, filename); + fclose(f); + return 1; + } + + for (i = 0; i < filhdr.NumberOfSections; ++i) { + if (fread(&scnhdr, sizeof(scnhdr), 1, f) == 0) { + fprintf(stderr,"%s: Could not read section header from %s," + " is this a PE (COFF) file?\n", progname, filename); + fclose(f); + return 1; + } + v_printf("Section %s:\n", scnhdr.Name); + v_printf("Physical address: 0x%08x\n", scnhdr.Misc.PhysicalAddress); + v_printf("Size: 0x%08x\n", scnhdr.SizeOfRawData); + if (scnhdr.Misc.PhysicalAddress != 0 && + scnhdr.SizeOfRawData == 0) { + printf("Section header %s in file %s will confuse MSC linker, " + "virtual size is 0x%08x and raw size is 0\n", + scnhdr.Name, filename, scnhdr.Misc.PhysicalAddress, + scnhdr.SizeOfRawData); + if (edit) { + scnhdr.SizeOfRawData = scnhdr.Misc.PhysicalAddress; + scnhdr.Misc.PhysicalAddress = 0; + if (fseek(f, (long) -((long)sizeof(scnhdr)), SEEK_CUR) != 0 || + fwrite(&scnhdr, sizeof(scnhdr), 1, f) == 0) { + fprintf(stderr,"%s: could not edit file %s.\n", + progname, filename); + fclose(f); + return 1; + } + printf("Edited object, virtual size is now 0, and " + "raw size is 0x%08x.\n", scnhdr.SizeOfRawData); + } else { + printf("Specify option '-e' to correct the problem.\n"); + } + } + } + fclose(f); + return 0; +} + + +static int v_printf(char *format, ...) +{ + va_list ap; + int ret = 0; + if (verbouse) { + va_start(ap, format); + ret = vfprintf(stdout, format, ap); + va_end(ap); + } + return ret; +} + |