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* configure.host: Add x86_64-*-cygwin* as valid host.

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* configure.tgt: Add x86_64-*-cygwin* as valid target.
	* emultempl/pep.em: Handle different requirements for Cygwin in terms
	of start addresses for executables and DLLs, based on memory model in
	http://cygwin.com/ml/cygwin-developers/2013-02/msg00027.html
This commit is contained in:
Corinna Vinschen 2013-03-05 11:54:29 +00:00
parent ee36d91878
commit a07ee50e95
4 changed files with 56 additions and 4 deletions
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8
ld/ChangeLog
View file

@ -1,3 +1,11 @@
2013-03-05 Corinna Vinschen <vinschen@redhat.com>
* configure.host: Add x86_64-*-cygwin* as valid host.
* configure.tgt: Add x86_64-*-cygwin* as valid target.
* emultempl/pep.em: Handle different requirements for Cygwin in terms
of start addresses for executables and DLLs, based on memory model in
http://cygwin.com/ml/cygwin-developers/2013-02/msg00027.html
2013-03-05 Alan Modra <amodra@gmail.com>
PR ld/15222

2
ld/configure.host
View file

@ -171,7 +171,7 @@ i[3-7]86-pc-interix*)
HOSTING_LIBS='-L $$X/local_bin -L $$INTERIX_ROOT/usr/lib '"$HOSTING_LIBS"' -lcpsx -lc -lcpsx $$INTERIX_ROOT/usr/lib/psxdll.a $$INTERIX_ROOT/usr/lib/psxdll2.a'
;;
i[3-7]86-*-cygwin*)
i[3-7]86-*-cygwin* | x86_64-*-cygwin*)
HOSTING_LIBS="$HOSTING_LIBS"' -lcygwin -L/usr/lib/w32api -luser32 -lkernel32 -ladvapi32 -lshell32 `if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else ${CC} -print-libgcc-file-name; fi`'
;;

6
ld/configure.tgt
View file

@ -316,6 +316,10 @@ i[3-7]86-*-mingw32*) targ_emul=i386pe ;
x86_64-*-pe | x86_64-*-pep) targ_emul=i386pep ;
targ_extra_emuls=i386pe ;
targ_extra_ofiles="deffilep.o pep-dll.o pe-dll.o" ;;
x86_64-*-cygwin) targ_emul=i386pep ;
targ_extra_emuls=i386pe
targ_extra_ofiles="deffilep.o pep-dll.o pe-dll.o"
test "$targ" != "$host" && LIB_PATH='${tooldir}/lib/w32api' ;;
x86_64-*-mingw*) targ_emul=i386pep ;
targ_extra_emuls=i386pe
targ_extra_ofiles="deffilep.o pep-dll.o pe-dll.o" ;;
@ -821,7 +825,7 @@ spu-*-elf*)
NATIVE_LIB_DIRS='/lib'
;;
i[03-9x]86-*-cygwin*)
i[03-9x]86-*-cygwin* | x86_64-*-cygwin*)
NATIVE_LIB_DIRS='/usr/lib /usr/lib/w32api'
;;

44
ld/emultempl/pep.em
View file

@ -5,6 +5,16 @@ if [ -z "$MACHINE" ]; then
else
OUTPUT_ARCH=${ARCH}:${MACHINE}
fi
case ${target} in
*-*-cygwin*)
move_default_addr_high=1
;;
*)
move_default_addr_high=0;
;;
esac
rm -f e${EMULATION_NAME}.c
(echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
fragment <<EOF
@ -89,9 +99,39 @@ fragment <<EOF
#if defined(TARGET_IS_i386pep) || ! defined(DLL_SUPPORT)
#define PE_DEF_SUBSYSTEM 3
#undef NT_EXE_IMAGE_BASE
#define NT_EXE_IMAGE_BASE \
((bfd_vma) (${move_default_addr_high} ? 0x100400000LL \
: 0x400000LL))
#undef NT_DLL_IMAGE_BASE
#define NT_DLL_IMAGE_BASE \
((bfd_vma) (${move_default_addr_high} ? 0x400000000LL \
: 0x10000000LL))
#undef NT_DLL_AUTO_IMAGE_BASE
#define NT_DLL_AUTO_IMAGE_BASE \
((bfd_vma) (${move_default_addr_high} ? 0x400000000LL \
: 0x61300000LL))
#undef NT_DLL_AUTO_IMAGE_MASK
#define NT_DLL_AUTO_IMAGE_MASK \
((bfd_vma) (${move_default_addr_high} ? 0x1ffff0000LL \
: 0x0ffc0000LL))
#else
#undef NT_EXE_IMAGE_BASE
#define NT_EXE_IMAGE_BASE 0x00010000
#define NT_EXE_IMAGE_BASE \
((bfd_vma) (${move_default_addr_high} ? 0x100010000LL \
: 0x10000LL))
#undef NT_DLL_IMAGE_BASE
#define NT_DLL_IMAGE_BASE \
((bfd_vma) (${move_default_addr_high} ? 0x110000000LL \
: 0x10000000LL))
#undef NT_DLL_AUTO_IMAGE_BASE
#define NT_DLL_AUTO_IMAGE_BASE \
((bfd_vma) (${move_default_addr_high} ? 0x120000000LL \
: 0x61300000LL))
#undef NT_DLL_AUTO_IMAGE_MASK
#define NT_DLL_AUTO_IMAGE_MASK \
((bfd_vma) (${move_default_addr_high} ? 0x0ffff0000LL \
: 0x0ffc0000LL))
#undef PE_DEF_SECTION_ALIGNMENT
#define PE_DEF_SUBSYSTEM 2
#undef PE_DEF_FILE_ALIGNMENT
@ -808,7 +848,7 @@ static bfd_vma
compute_dll_image_base (const char *ofile)
{
bfd_vma hash = (bfd_vma) strhash (ofile);
return 0x61300000 + ((hash << 16) & 0x0FFC0000);
return NT_DLL_AUTO_IMAGE_BASE + ((hash << 16) & NT_DLL_AUTO_IMAGE_MASK);
}
#endif