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authorSteve Chamberlain <sac@cygnus>1995-05-12 18:55:06 +0000
committerSteve Chamberlain <sac@cygnus>1995-05-12 18:55:06 +0000
commit3f38a017be911b803f3a06d86dc77db6ccecc9f0 (patch)
tree8bfc5c87d9ec292e6916a376506d6a28b5f3a243 /ld
parent48b2d07e4c59bbbaacf6face47e2eafac2271092 (diff)
downloadgdb-3f38a017be911b803f3a06d86dc77db6ccecc9f0.zip
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Fri May 12 11:03:55 1995 Steve Chamberlain <sac@slash.cygnus.com>
Tom Griest <griest@cs.yale.edu> Initial support for PE executables (eg NT, win32) * Makefile.in (configure.in, ei386pe): Add support. * ldmain.c (main): Initialize PE argument info. * ldwrite.c (print_file_stuff): Don't print out .drectve and .debug section info. * lexsup.c (set_subsystem, set_stack_heap, OPTION_HEAP, OPTION_SUBSYSTEM, parse_argsm set_subsystem, set_stack_heap): Handle new arguments. * config/i386-pe.mt, emultempl/i386pe.em, scripttempl/i386pe.sc: New files
Diffstat (limited to 'ld')
-rw-r--r--ld/config/.Sanitize17
-rw-r--r--ld/config/i386-pe.mt1
-rw-r--r--ld/emulparams/.Sanitize5
-rw-r--r--ld/emulparams/i386pe.sh3
-rw-r--r--ld/emultempl/.Sanitize3
-rw-r--r--ld/emultempl/i386pe.em230
-rw-r--r--ld/ldlang.c23
-rw-r--r--ld/scripttempl/.Sanitize1
-rw-r--r--ld/scripttempl/i386pe.sc95
9 files changed, 367 insertions, 11 deletions
diff --git a/ld/config/.Sanitize b/ld/config/.Sanitize
index b83a01e..d0e688c 100644
--- a/ld/config/.Sanitize
+++ b/ld/config/.Sanitize
@@ -41,17 +41,18 @@ Things-to-keep:
alpha.mt
alphaosf.mh
+cf-h8300h.mt
coff-a29k.mt
coff-h8300.mt
-cf-h8300h.mt
coff-h8500.mt
coff-sh.mt
coff-sparc.mt
+coff-w65.mt
delta88.mh
dgux.mh
ebmon29k.mt
-go32.mt
go32.mh
+go32.mt
hp300.mh
hp300bsd.mt
hp300hpux.mt
@@ -70,6 +71,7 @@ i386-lynx.mt
i386-mach.mt
i386-nbsd.mt
i386-nw.mt
+i386-pe.mt
i386bsd.mh
i386linux.mh
i386lynx.mh
@@ -82,21 +84,21 @@ i960coff.mt
ieee-h8300.mt
irix4.mh
m68k-coff.mt
-m68k.mt
m68k-elf.mt
m68k-lynx.mt
m68k-nbsd.mt
+m68k.mt
m68klynx.mh
m68kv.mt
m88k-bcs.mt
-mipsbsd.mh
-mipsbsd.mt
mips-big.mt
mips-idt.mt
+mips-lit.mt
mipsb-elf32.mt
+mipsbsd.mh
+mipsbsd.mt
mipsl-elf32.mt
mipsl-idt.mt
-mips-lit.mt
news.mt
ns32k-nbsd.mt
ose68.mt
@@ -108,10 +110,10 @@ riscix.mt
rtbsd.mh
sa29200.mt
solaris2.mh
-sparc64-elf.mt
sparc-ll.mh
sparc-lynx.mt
sparc-nbsd.mt
+sparc64-elf.mt
st2000.mt
sun3.mh
sun3.mt
@@ -121,7 +123,6 @@ vax.mt
vsta.mt
vxworks68.mt
z8ksim.mt
-coff-w65.mt
Things-to-lose:
diff --git a/ld/config/i386-pe.mt b/ld/config/i386-pe.mt
new file mode 100644
index 0000000..10d7f83
--- /dev/null
+++ b/ld/config/i386-pe.mt
@@ -0,0 +1 @@
+EMUL=i386pe
diff --git a/ld/emulparams/.Sanitize b/ld/emulparams/.Sanitize
index b17b1af..326cd9f 100644
--- a/ld/emulparams/.Sanitize
+++ b/ld/emulparams/.Sanitize
@@ -45,10 +45,10 @@ alpha.sh
coff_sparc.sh
ebmon29k.sh
elf32_sparc.sh
-elf64_sparc.sh
elf32bmip.sh
elf32lmip.sh
elf32ppc.sh
+elf64_sparc.sh
elf32ppcle.sh
elf_i386.sh
gld960.sh
@@ -59,8 +59,8 @@ h8300h.sh
h8500.sh
h8500b.sh
h8500c.sh
-h8500s.sh
h8500m.sh
+h8500s.sh
hp300bsd.sh
hp3hpux.sh
hppaelf.sh
@@ -73,6 +73,7 @@ i386lynx.sh
i386mach.sh
i386nbsd.sh
i386nw.sh
+i386pe.sh
lnk960.sh
m68kaout.sh
m68kcoff.sh
diff --git a/ld/emulparams/i386pe.sh b/ld/emulparams/i386pe.sh
new file mode 100644
index 0000000..df2e9d8
--- /dev/null
+++ b/ld/emulparams/i386pe.sh
@@ -0,0 +1,3 @@
+ARCH=i386
+SCRIPT_NAME=i386pe
+OUTPUT_FORMAT="pe-i386"
diff --git a/ld/emultempl/.Sanitize b/ld/emultempl/.Sanitize
index 8080c68..e86e204 100644
--- a/ld/emultempl/.Sanitize
+++ b/ld/emultempl/.Sanitize
@@ -25,16 +25,17 @@ Do-first:
Things-to-keep:
README
-stringify.sed
elf32.em
generic.em
gld960.em
gld960c.em
hppaelf.em
+i386pe.em
linux.em
lnk960.em
m88kbcs.em
mipsecoff.em
+stringify.sed
sunos.em
vanilla.em
diff --git a/ld/emultempl/i386pe.em b/ld/emultempl/i386pe.em
new file mode 100644
index 0000000..a27ed40
--- /dev/null
+++ b/ld/emultempl/i386pe.em
@@ -0,0 +1,230 @@
+# This shell script emits a C file. -*- C -*-
+# It does some substitutions.
+cat >e${EMULATION_NAME}.c <<EOF
+/* For WINDOWS_NT */
+/* This file is a copy of ei385coff which was originally generated on a Linux
+ system. It has been modified to provide a decent default script file
+ for the NT PE format. */
+
+/* The original file generated returned different default scripts depending
+ on whether certain switches were set, but these switches pertain to the
+ Linux system and that particular version of coff. In the NT case, we
+ only determine if the subsystem is console or windows in order to select
+ the correct entry point by default. */
+
+
+/* emulate the original gld for the given i386pe
+ Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+ Written by Steve Chamberlain steve@cygnus.com
+
+This file is part of GLD, the Gnu Linker.
+
+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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#define TARGET_IS_i386pe
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "bfdlink.h"
+
+#include "ld.h"
+#include "config.h"
+#include "ldmain.h"
+#include "ldemul.h"
+#include "ldfile.h"
+#include "ldmisc.h"
+
+static void gldi386pe_before_parse PARAMS ((void));
+static char *gldi386pe_get_script PARAMS ((int *isfile));
+
+static void
+gldi386pe_before_parse()
+{
+#ifndef TARGET_ /* I.e., if not generic. */
+ ldfile_output_architecture = bfd_arch_i386;
+#endif /* not TARGET_ */
+}
+
+static char *
+gldi386pe_get_script(isfile)
+ int *isfile;
+{
+ *isfile = 0;
+
+ if (link_info.subsystem == windows)
+ return
+"OUTPUT_FORMAT(\"coff-i386\")\n\
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/i386-coff/lib);\n\
+ENTRY(_WinMainCRTStartup)\n\
+SECTIONS\n\
+{\n\
+ .text 0x401000 : {\n\
+ *(.text)\n\
+ ;\n\
+ }\n\
+ .bss BLOCK(0x1000) :\n\
+ { \n\
+ *(.bss)\n\
+ *(COMMON)\n\
+ ;\n\
+ }\n\
+ .rdata BLOCK(0x1000) :\n\
+ { \n\
+ *(.rdata)\n\
+ ;\n\
+ }\n\
+ .data BLOCK(0x1000) : {\n\
+ *(.data)\n\
+ *(.data2)\n\
+ ;\n\
+ }\n\
+ .idata BLOCK(0x1000) :\n\
+ { \n\
+ *(.idata$2)\n\
+ *(.idata$3)\n\
+ *(.idata$4)\n\
+ *(.idata$5)\n\
+ *(.idata$6)\n\
+ *(.idata$7)\n\
+ ;\n\
+ }\n\
+ .CRT BLOCK(0x1000) :\n\
+ { \n\
+ *(.CRT$XCA)\n\
+ *(.CRT$XCC)\n\
+ *(.CRT$XCZ)\n\
+ *(.CRT$XIA)\n\
+ *(.CRT$XIC)\n\
+ *(.CRT$XIZ)\n\
+ *(.CRT$XLA)\n\
+ *(.CRT$XLZ)\n\
+ *(.CRT$XPA)\n\
+ *(.CRT$XPX)\n\
+ *(.CRT$XPZ)\n\
+ *(.CRT$XTA)\n\
+ *(.CRT$XTZ)\n\
+ ;\n\
+ }\n\
+ .rsrc BLOCK(0x1000) :\n\
+ { \n\
+ *(.rsrc$01)\n\
+ *(.rsrc$02)\n\
+ ;\n\
+ }\n\
+ .reloc BLOCK(0x1000) :\n\
+ { \n\
+ *(.reloc)\n\
+ ;\n\
+ }\n\
+ .junk BLOCK(0x1000) :\n\
+ { \n\
+ *(.debug$S)\n\
+ *(.debug$T)\n\
+ *(.debug$F)\n\
+ *(.drectve)\n\
+ ;\n\
+ }\n\
+}\n\n"
+ ; else return
+"OUTPUT_FORMAT(\"coff-i386\")\n\
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/i386-coff/lib);\n\
+ENTRY(_mainCRTStartup)\n\
+SECTIONS\n\
+{\n\
+ .text 0x401000 : {\n\
+ *(.text)\n\
+ ;\n\
+ }\n\
+ .bss BLOCK(0x1000) :\n\
+ { \n\
+ *(.bss)\n\
+ *(COMMON)\n\
+ ;\n\
+ }\n\
+ .rdata BLOCK(0x1000) :\n\
+ { \n\
+ *(.rdata)\n\
+ ;\n\
+ }\n\
+ .data BLOCK(0x1000) : {\n\
+ *(.data)\n\
+ *(.data2)\n\
+ ;\n\
+ }\n\
+ .idata BLOCK(0x1000) :\n\
+ { \n\
+ *(.idata$2)\n\
+ *(.idata$3)\n\
+ *(.idata$4)\n\
+ *(.idata$5)\n\
+ *(.idata$6)\n\
+ *(.idata$7)\n\
+ ;\n\
+ }\n\
+ .CRT BLOCK(0x1000) :\n\
+ { \n\
+ *(.CRT$XCA)\n\
+ *(.CRT$XCC)\n\
+ *(.CRT$XCZ)\n\
+ *(.CRT$XIA)\n\
+ *(.CRT$XIC)\n\
+ *(.CRT$XIZ)\n\
+ *(.CRT$XLA)\n\
+ *(.CRT$XLZ)\n\
+ *(.CRT$XPA)\n\
+ *(.CRT$XPX)\n\
+ *(.CRT$XPZ)\n\
+ *(.CRT$XTA)\n\
+ *(.CRT$XTZ)\n\
+ ;\n\
+ }\n\
+ .rsrc BLOCK(0x1000) :\n\
+ { \n\
+ *(.rsrc$01)\n\
+ *(.rsrc$02)\n\
+ ;\n\
+ }\n\
+ .reloc BLOCK(0x1000) :\n\
+ { \n\
+ *(.reloc)\n\
+ ;\n\
+ }\n\
+ .junk BLOCK(0x1000) :\n\
+ { \n\
+ *(.debug$S)\n\
+ *(.debug$T)\n\
+ *(.debug$F)\n\
+ *(.drectve)\n\
+ ;\n\
+ }\n\
+}\n\n"
+ ;
+}
+
+struct ld_emulation_xfer_struct ld_i386pe_emulation =
+{
+ gldi386pe_before_parse,
+ syslib_default,
+ hll_default,
+ after_parse_default,
+ after_allocation_default,
+ set_output_arch_default,
+ ldemul_default_target,
+ before_allocation_default,
+ gldi386pe_get_script,
+ "i386pe",
+ "pe-i386"
+};
+EOF \ No newline at end of file
diff --git a/ld/ldlang.c b/ld/ldlang.c
index f7847d3..3c9350d 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -2752,6 +2752,21 @@ lang_section_start (name, address)
called by ENTRY in a linker script. Command line arguments take
precedence. */
+/* WINDOWS_NT. When an entry point has been specified, we will also force
+ this symbol to be defined by calling ldlang_add_undef (equivalent to
+ having switch -u entry_name on the command line). The reason we do
+ this is so that the user doesn't have to because they would have to use
+ the -u switch if they were specifying an entry point other than
+ _mainCRTStartup. Specifically, if creating a windows application, entry
+ point _WinMainCRTStartup must be specified.
+ What I have found for non console applications (entry not _mainCRTStartup)
+ is that the .obj that contains mainCRTStartup is brought in since it is
+ the first encountered in libc.lib and it has other symbols in it which will
+ be pulled in by the link process. To avoid this, adding -u with the entry
+ point name specified forces the correct .obj to be used. We can avoid
+ making the user do this by always adding the entry point name as an
+ undefined symbol. */
+
void
lang_add_entry (name, cmdline)
CONST char *name;
@@ -2766,6 +2781,14 @@ lang_add_entry (name, cmdline)
entry_symbol = name;
from_cmdline = cmdline;
}
+#ifdef 0 /* WINDOWS_NT */
+ /* don't do this yet. It seems to work (the executables run), but the
+ image created is very different from what I was getting before indicating
+ that something else is being pulled in. When everything else is working,
+ then try to put this back in to see if it will do the right thing for
+ other more complicated applications */
+ ldlang_add_undef (name);
+#endif
}
void
diff --git a/ld/scripttempl/.Sanitize b/ld/scripttempl/.Sanitize
index bf8a171..46c2242 100644
--- a/ld/scripttempl/.Sanitize
+++ b/ld/scripttempl/.Sanitize
@@ -48,6 +48,7 @@ h8500m.sc
h8500s.sc
hppaelf.sc
i386coff.sc
+i386pe.sc
i386go32.sc
i386lynx.sc
i960.sc
diff --git a/ld/scripttempl/i386pe.sc b/ld/scripttempl/i386pe.sc
new file mode 100644
index 0000000..d23506d
--- /dev/null
+++ b/ld/scripttempl/i386pe.sc
@@ -0,0 +1,95 @@
+# Linker script for 386 PE.
+# These are substituted in as variables in order to get '}' in a shell
+# conditional expansion.
+INIT='.init : { *(.init) }'
+FINI='.fini : { *(.fini) }'
+cat <<EOF
+OUTPUT_FORMAT("${OUTPUT_FORMAT}")
+${LIB_SEARCH_DIRS}
+
+ENTRY(_mainCRTStartup)
+
+SECTIONS
+{
+
+ .text ${RELOCATING+ 0x401000} :
+ {
+ ${RELOCATING+ *(.init);}
+ *(.text)
+ ${RELOCATING+ *(.fini);}
+ ${RELOCATING+ etext = .};
+ }
+
+ .bss BLOCK(0x1000) :
+ {
+ *(.bss)
+ *(COMMON);
+ }
+
+ .rdata BLOCK(0x1000) :
+ {
+ *(.rdata)
+ ;
+ }
+ .data BLOCK(0x1000) : {
+ *(.data)
+ *(.data2)
+ ;
+ }
+ .idata BLOCK(0x1000) :
+ {
+ *(.idata$2)
+ *(.idata$3)
+ *(.idata$4)
+ *(.idata$5)
+ *(.idata$6)
+ *(.idata$7)
+ ;
+ }
+ .CRT BLOCK(0x1000) :
+ {
+ *(.CRT$XCA)
+ *(.CRT$XCC)
+ *(.CRT$XCZ)
+ *(.CRT$XIA)
+ *(.CRT$XIC)
+ *(.CRT$XIZ)
+ *(.CRT$XLA)
+ *(.CRT$XLZ)
+ *(.CRT$XPA)
+ *(.CRT$XPX)
+ *(.CRT$XPZ)
+ *(.CRT$XTA)
+ *(.CRT$XTZ)
+ ;
+ }
+ .rsrc BLOCK(0x1000) :
+ {
+ *(.rsrc$01)
+ *(.rsrc$02)
+ ;
+ }
+ .reloc BLOCK(0x1000) :
+ {
+ *(.reloc)
+ ;
+ }
+ .junk BLOCK(0x1000) :
+ {
+ *(.debug$S)
+ *(.debug$T)
+ *(.debug$F)
+ *(.drectve)
+ ;
+ }
+ .stab 0 ${RELOCATING+(NOLOAD)} :
+ {
+ [ .stab ]
+ }
+
+ .stabstr 0 ${RELOCATING+(NOLOAD)} :
+ {
+ [ .stabstr ]
+ }
+}
+EOF