mirror of
git://sourceware.org/git/newlib-cygwin.git
synced 2025-02-27 19:17:18 +08:00
winsup/ChangeLog:
* Makefile.common (COMPILE_CXX): Add support for per-file overrides to exclude $(nostdinc) and $(nostdincxx) from compiler flags. (COMPILE_CC): Likewise for $(nostdinc). winsup/cygwin/ChangeLog: * Makefile.in (DLL_OFILES): Add libstdcxx_wrapper.o (libstdcxx_wrapper_CFLAGS): Add flags for new module. (_cygwin_crt0_common_STDINCFLAGS): Define per-file override. (libstdcxx_wrapper_STDINCFLAGS, cxx_STDINCFLAGS): Likewise. * cxx.cc: Include "cygwin-cxx.h". (operator new): Tweak prototype for full standards compliance. (operator new[]): Likewise. (operator new (nothrow)): New fallback function. (operator new[] (nothrow), operator delete (nothrow), operator delete[] (nothrow)): Likewise. (default_cygwin_cxx_malloc): New struct of pointers to the above, for final last-resort fallback default. * cygwin-cxx.h: New file. (struct per_process_cxx_malloc): Define. (default_cygwin_cxx_malloc): Declare extern. * cygwin.din (__wrap__ZdaPv): Export new wrapper. (__wrap__ZdaPvRKSt9nothrow_t, __wrap__ZdlPv, __wrap__ZdlPvRKSt9nothrow_t, __wrap__Znaj, __wrap__ZnajRKSt9nothrow_t, __wrap__Znwj, __wrap__ZnwjRKSt9nothrow_t): Likewise. * globals.cc (__cygwin_user_data): Init newly-repurposed 'forkee' field (now 'cxx_malloc') to point to default_cygwin_cxx_malloc. * libstdcxx_wrapper.cc: New file. (__wrap__ZdaPv, __wrap__ZdaPvRKSt9nothrow_t, __wrap__ZdlPv, __wrap__ZdlPvRKSt9nothrow_t, __wrap__Znaj, __wrap__ZnajRKSt9nothrow_t, __wrap__Znwj, __wrap__ZnwjRKSt9nothrow_t): Define wrapper functions for libstdc++ malloc operators and their overrides. * winsup.h (default_cygwin_cxx_malloc): Declare extern. * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump. * include/sys/cygwin.h (struct per_process_cxx_malloc): Forward declare here. (struct per_process::forkee): Rename and repurpose from this ... (struct per_process::cxx_malloc): ... to this. * lib/_cygwin_crt0_common.cc: Include cygwin-cxx.h. (WEAK): Define shorthand helper macro. (__cygwin_cxx_malloc): Define and populate with weak references to whatever libstdc++ malloc operators will be visible at final link time for Cygwin apps and dlls. (_cygwin_crt0_common): Always look up cygwin DLL's internal per_process data, and don't test for (impossible) failure. Inherit any members of __cygwin_cxx_malloc that we don't have overrides for from the DLL's default and store the resulting overall set of overrides back into the DLL's global per_process data.
This commit is contained in:
Dave Korn
parent
6499c6e07b
commit
b602bb90e2
@ -1,3 +1,9 @@
|
||||
2009-07-07 Dave Korn <dave.korn.cygwin@gmail.com>
|
||||
|
||||
* Makefile.common (COMPILE_CXX): Add support for per-file overrides
|
||||
to exclude $(nostdinc) and $(nostdincxx) from compiler flags.
|
||||
(COMPILE_CC): Likewise for $(nostdinc).
|
||||
|
||||
2009-02-23 Sjors Gielen <mailinglist@dazjorz.com>
|
||||
|
||||
* Makefile.in: Add DESTDIR functionality.
|
||||
|
||||
@ -130,9 +130,9 @@ ifeq (,${findstring $(gcc_libdir),$(CFLAGS) $(CXXFLAGS) $(CXX) $(CC)})
|
||||
GCC_INCLUDE:=${subst //,/,-I$(gcc_libdir)/include}
|
||||
endif
|
||||
|
||||
COMPILE_CXX=$(CXX) $c $(nostdincxx) $(nostdinc) $(ALL_CXXFLAGS) $(GCC_INCLUDE) \
|
||||
-fno-rtti -fno-exceptions
|
||||
COMPILE_CC=$(CC) $c $(nostdinc) $(ALL_CFLAGS) $(GCC_INCLUDE)
|
||||
COMPILE_CXX=$(CXX) $c $(if $($(*F)_STDINCFLAGS),,$(nostdincxx) $(nostdinc)) \
|
||||
$(ALL_CXXFLAGS) $(GCC_INCLUDE) -fno-rtti -fno-exceptions
|
||||
COMPILE_CC=$(CC) $c $(if $($(*F)_STDINCFLAGS),,$(nostdinc)) $(ALL_CFLAGS) $(GCC_INCLUDE)
|
||||
|
||||
vpath %.a $(cygwin_build):$(w32api_lib):$(newlib_build)/libc:$(newlib_build)/libm
|
||||
|
||||
|
||||
@ -1,3 +1,50 @@
|
||||
2009-07-07 Dave Korn <dave.korn.cygwin@gmail.com>
|
||||
|
||||
* Makefile.in (DLL_OFILES): Add libstdcxx_wrapper.o
|
||||
(libstdcxx_wrapper_CFLAGS): Add flags for new module.
|
||||
(_cygwin_crt0_common_STDINCFLAGS): Define per-file override.
|
||||
(libstdcxx_wrapper_STDINCFLAGS, cxx_STDINCFLAGS): Likewise.
|
||||
* cxx.cc: Include "cygwin-cxx.h".
|
||||
(operator new): Tweak prototype for full standards compliance.
|
||||
(operator new[]): Likewise.
|
||||
(operator new (nothrow)): New fallback function.
|
||||
(operator new[] (nothrow), operator delete (nothrow),
|
||||
operator delete[] (nothrow)): Likewise.
|
||||
(default_cygwin_cxx_malloc): New struct of pointers to the above,
|
||||
for final last-resort fallback default.
|
||||
* cygwin-cxx.h: New file.
|
||||
(struct per_process_cxx_malloc): Define.
|
||||
(default_cygwin_cxx_malloc): Declare extern.
|
||||
* cygwin.din (__wrap__ZdaPv): Export new wrapper.
|
||||
(__wrap__ZdaPvRKSt9nothrow_t, __wrap__ZdlPv,
|
||||
__wrap__ZdlPvRKSt9nothrow_t, __wrap__Znaj,
|
||||
__wrap__ZnajRKSt9nothrow_t, __wrap__Znwj,
|
||||
__wrap__ZnwjRKSt9nothrow_t): Likewise.
|
||||
* globals.cc (__cygwin_user_data): Init newly-repurposed 'forkee'
|
||||
field (now 'cxx_malloc') to point to default_cygwin_cxx_malloc.
|
||||
* libstdcxx_wrapper.cc: New file.
|
||||
(__wrap__ZdaPv, __wrap__ZdaPvRKSt9nothrow_t, __wrap__ZdlPv,
|
||||
__wrap__ZdlPvRKSt9nothrow_t, __wrap__Znaj,
|
||||
__wrap__ZnajRKSt9nothrow_t, __wrap__Znwj,
|
||||
__wrap__ZnwjRKSt9nothrow_t): Define wrapper functions for libstdc++
|
||||
malloc operators and their overrides.
|
||||
* winsup.h (default_cygwin_cxx_malloc): Declare extern.
|
||||
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
|
||||
* include/sys/cygwin.h (struct per_process_cxx_malloc): Forward
|
||||
declare here.
|
||||
(struct per_process::forkee): Rename and repurpose from this ...
|
||||
(struct per_process::cxx_malloc): ... to this.
|
||||
* lib/_cygwin_crt0_common.cc: Include cygwin-cxx.h.
|
||||
(WEAK): Define shorthand helper macro.
|
||||
(__cygwin_cxx_malloc): Define and populate with weak references
|
||||
to whatever libstdc++ malloc operators will be visible at final
|
||||
link time for Cygwin apps and dlls.
|
||||
(_cygwin_crt0_common): Always look up cygwin DLL's internal
|
||||
per_process data, and don't test for (impossible) failure. Inherit
|
||||
any members of __cygwin_cxx_malloc that we don't have overrides
|
||||
for from the DLL's default and store the resulting overall set of
|
||||
overrides back into the DLL's global per_process data.
|
||||
|
||||
2009-07-07 Corinna Vinschen <corinna@vinschen.de>
|
||||
|
||||
* cygtls.cc (_cygtls::remove): Fix typo.
|
||||
|
||||
@ -145,9 +145,9 @@ DLL_OFILES:=assert.o autoload.o bsdlib.o ctype.o cxx.o cygheap.o cygthread.o \
|
||||
fhandler_termios.o fhandler_tty.o fhandler_virtual.o fhandler_windows.o \
|
||||
fhandler_zero.o flock.o fnmatch.o fork.o fts.o ftw.o getopt.o glob.o \
|
||||
glob_pattern_p.o globals.o grp.o heap.o hookapi.o inet_addr.o inet_network.o \
|
||||
init.o ioctl.o ipc.o kernel32.o localtime.o lsearch.o malloc_wrapper.o \
|
||||
minires-os-if.o minires.o miscfuncs.o mktemp.o mmap.o msg.o mount.o \
|
||||
net.o netdb.o nfs.o nftw.o ntea.o passwd.o path.o pinfo.o pipe.o \
|
||||
init.o ioctl.o ipc.o kernel32.o libstdcxx_wrapper.o localtime.o lsearch.o \
|
||||
malloc_wrapper.o minires-os-if.o minires.o miscfuncs.o mktemp.o mmap.o msg.o \
|
||||
mount.o net.o netdb.o nfs.o nftw.o ntea.o passwd.o path.o pinfo.o pipe.o \
|
||||
poll.o posix_ipc.o pthread.o random.o regcomp.o regerror.o regexec.o \
|
||||
regfree.o registry.o resource.o rexec.o rcmd.o scandir.o sched.o \
|
||||
sec_acl.o sec_auth.o sec_helper.o security.o select.o sem.o \
|
||||
@ -268,6 +268,7 @@ fhandler_windows_CFLAGS:=-fomit-frame-pointer
|
||||
fhandler_zero_CFLAGS:=-fomit-frame-pointer
|
||||
flock_CFLAGS:=-fomit-frame-pointer
|
||||
grp_CFLAGS:=-fomit-frame-pointer
|
||||
libstdcxx_wrapper_CFLAGS:=-fomit-frame-pointer
|
||||
malloc_CFLAGS:=-fomit-frame-pointer
|
||||
malloc_wrapper_CFLAGS:=-fomit-frame-pointer
|
||||
miscfuncs_CFLAGS:=-fomit-frame-pointer
|
||||
@ -285,6 +286,10 @@ sysconf_CFLAGS:=-fomit-frame-pointer
|
||||
uinfo_CFLAGS:=-fomit-frame-pointer
|
||||
endif
|
||||
|
||||
_cygwin_crt0_common_STDINCFLAGS:=yes
|
||||
libstdcxx_wrapper_STDINCFLAGS:=yes
|
||||
cxx_STDINCFLAGS:=yes
|
||||
|
||||
.PHONY: all force dll_ofiles install all_target install_target all_host install_host \
|
||||
install install-libs install-headers
|
||||
|
||||
|
||||
@ -11,9 +11,14 @@ details. */
|
||||
#if (__GNUC__ >= 3)
|
||||
|
||||
#include "winsup.h"
|
||||
#include "cygwin-cxx.h"
|
||||
|
||||
/* These implementations of operators new and delete are used internally by
|
||||
the DLL, and are kept separate from the user's/libstdc++'s versions by
|
||||
use of LD's --wrap option. */
|
||||
|
||||
void *
|
||||
operator new (size_t s)
|
||||
operator new (std::size_t s)
|
||||
{
|
||||
void *p = calloc (1, s);
|
||||
return p;
|
||||
@ -26,7 +31,7 @@ operator delete (void *p)
|
||||
}
|
||||
|
||||
void *
|
||||
operator new[] (size_t s)
|
||||
operator new[] (std::size_t s)
|
||||
{
|
||||
return ::operator new (s);
|
||||
}
|
||||
@ -37,6 +42,34 @@ operator delete[] (void *p)
|
||||
::operator delete (p);
|
||||
}
|
||||
|
||||
/* Nothrow versions, provided only for completeness in the fallback array. */
|
||||
|
||||
void *
|
||||
operator new (std::size_t s, const std::nothrow_t &)
|
||||
{
|
||||
void *p = calloc (1, s);
|
||||
return p;
|
||||
}
|
||||
|
||||
void
|
||||
operator delete (void *p, const std::nothrow_t &)
|
||||
{
|
||||
free (p);
|
||||
}
|
||||
|
||||
void *
|
||||
operator new[] (std::size_t s, const std::nothrow_t &nt)
|
||||
{
|
||||
return ::operator new (s, nt);
|
||||
}
|
||||
|
||||
void
|
||||
operator delete[] (void *p, const std::nothrow_t &nt)
|
||||
{
|
||||
::operator delete (p, nt);
|
||||
}
|
||||
|
||||
|
||||
extern "C" void
|
||||
__cxa_pure_virtual (void)
|
||||
{
|
||||
@ -52,4 +85,21 @@ extern "C" void
|
||||
__cxa_guard_release ()
|
||||
{
|
||||
}
|
||||
|
||||
/* These routines are made available as last-resort fallbacks
|
||||
for the application. Should not be used in practice. */
|
||||
|
||||
struct per_process_cxx_malloc default_cygwin_cxx_malloc =
|
||||
{
|
||||
&(operator new),
|
||||
&(operator new[]),
|
||||
&(operator delete),
|
||||
&(operator delete[]),
|
||||
&(operator new),
|
||||
&(operator new[]),
|
||||
&(operator delete),
|
||||
&(operator delete[]),
|
||||
};
|
||||
|
||||
|
||||
#endif
|
||||
|
||||
37
winsup/cygwin/cygwin-cxx.h
Executable file
37
winsup/cygwin/cygwin-cxx.h
Executable file
@ -0,0 +1,37 @@
|
||||
/* cygwin-cxx.h
|
||||
|
||||
Copyright 2009 Red Hat, Inc.
|
||||
|
||||
This file is part of Cygwin.
|
||||
|
||||
This software is a copyrighted work licensed under the terms of the
|
||||
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
||||
details. */
|
||||
|
||||
#ifndef _CYGWIN_CXX_H
|
||||
#define _CYGWIN_CXX_H
|
||||
|
||||
#ifndef __cplusplus
|
||||
#error This header should not be included by C source files.
|
||||
#endif
|
||||
|
||||
/* Files including this header must override -nostdinc++ */
|
||||
#include <new>
|
||||
|
||||
/* This is an optional struct pointed to by per_process if it exists. */
|
||||
struct per_process_cxx_malloc
|
||||
{
|
||||
void *(*oper_new) (std::size_t);
|
||||
void *(*oper_new__) (std::size_t);
|
||||
void (*oper_delete) (void *);
|
||||
void (*oper_delete__) (void *);
|
||||
void *(*oper_new_nt) (std::size_t, const std::nothrow_t &);
|
||||
void *(*oper_new___nt) (std::size_t, const std::nothrow_t &);
|
||||
void (*oper_delete_nt) (void *, const std::nothrow_t &);
|
||||
void (*oper_delete___nt) (void *, const std::nothrow_t &);
|
||||
};
|
||||
|
||||
/* Defined in cxx.cc */
|
||||
extern struct per_process_cxx_malloc default_cygwin_cxx_malloc;
|
||||
|
||||
#endif /* _CYGWIN_CXX_H */
|
||||
@ -1808,3 +1808,11 @@ y1 NOSIGFE
|
||||
y1f NOSIGFE
|
||||
yn NOSIGFE
|
||||
ynf NOSIGFE
|
||||
__wrap__ZdaPv NOSIGFE # void operator delete[](void *p) throw()
|
||||
__wrap__ZdaPvRKSt9nothrow_t NOSIGFE # void operator delete[](void *p, const std::nothrow_t &nt) throw()
|
||||
__wrap__ZdlPv NOSIGFE # void operator delete(void *p) throw()
|
||||
__wrap__ZdlPvRKSt9nothrow_t NOSIGFE # void operator delete(void *p, const std::nothrow_t &nt) throw()
|
||||
__wrap__Znaj NOSIGFE # void *operator new[](std::size_t sz) throw (std::bad_alloc)
|
||||
__wrap__ZnajRKSt9nothrow_t NOSIGFE # void *operator new[](std::size_t sz, const std::nothrow_t &nt) throw()
|
||||
__wrap__Znwj NOSIGFE # void *operator new(std::size_t sz) throw (std::bad_alloc)
|
||||
__wrap__ZnwjRKSt9nothrow_t NOSIGFE # void *operator new(std::size_t sz, const std::nothrow_t &nt) throw()
|
||||
|
||||
@ -98,7 +98,7 @@ extern "C"
|
||||
/* premain */ {NULL, NULL, NULL, NULL},
|
||||
/* run_ctors_p */ 0,
|
||||
/* unused */ {0, 0, 0, 0, 0, 0, 0},
|
||||
/* UNUSED forkee */ 0,
|
||||
/* cxx_malloc */ &default_cygwin_cxx_malloc,
|
||||
/* hmodule */ NULL,
|
||||
/* api_major */ CYGWIN_VERSION_API_MAJOR,
|
||||
/* api_minor */ CYGWIN_VERSION_API_MINOR,
|
||||
|
||||
@ -365,12 +365,13 @@ details. */
|
||||
209: Export wordexp, wordfree.
|
||||
210: New ctype layout using variable ctype pointer. Export __ctype_ptr__.
|
||||
211: Export fpurge, mkstemps.
|
||||
212: Add and export libstdc++ malloc wrappers.
|
||||
*/
|
||||
|
||||
/* Note that we forgot to bump the api for ualarm, strtoll, strtoull */
|
||||
|
||||
#define CYGWIN_VERSION_API_MAJOR 0
|
||||
#define CYGWIN_VERSION_API_MINOR 211
|
||||
#define CYGWIN_VERSION_API_MINOR 212
|
||||
|
||||
/* There is also a compatibity version number associated with the
|
||||
shared memory regions. It is incremented when incompatible
|
||||
|
||||
@ -194,6 +194,8 @@ enum
|
||||
class MTinterface;
|
||||
#endif
|
||||
|
||||
struct per_process_cxx_malloc;
|
||||
|
||||
struct per_process
|
||||
{
|
||||
char *initial_sp;
|
||||
@ -238,9 +240,8 @@ struct per_process
|
||||
|
||||
DWORD unused[7];
|
||||
|
||||
/* Non-zero means the task was forked. The value is the pid.
|
||||
Inherited from parent. */
|
||||
int forkee;
|
||||
/* Pointers to real operator new/delete functions for forwarding. */
|
||||
struct per_process_cxx_malloc *cxx_malloc;
|
||||
|
||||
HMODULE hmodule;
|
||||
|
||||
|
||||
@ -10,8 +10,34 @@ details. */
|
||||
|
||||
#include "winsup.h"
|
||||
#include "crt0.h"
|
||||
#include "cygwin-cxx.h"
|
||||
|
||||
/* Avoid an info message from linker when linking applications. */
|
||||
/* Weaken these declarations so the references don't pull in C++ dependencies
|
||||
unnecessarily. */
|
||||
#define WEAK __attribute__ ((weak))
|
||||
|
||||
/* Use asm names to bypass the --wrap that is being applied to redirect all other
|
||||
references to these operators toward the redirectors in the Cygwin DLL; this
|
||||
way we can record what definitions were visible at final link time but still
|
||||
send all calls to the redirectors. */
|
||||
extern WEAK void *operator new(std::size_t sz) throw (std::bad_alloc)
|
||||
__asm__ ("___real__Znwj");
|
||||
extern WEAK void *operator new[](std::size_t sz) throw (std::bad_alloc)
|
||||
__asm__ ("___real__Znaj");
|
||||
extern WEAK void operator delete(void *p) throw()
|
||||
__asm__ ("___real__ZdlPv ");
|
||||
extern WEAK void operator delete[](void *p) throw()
|
||||
__asm__ ("___real__ZdaPv");
|
||||
extern WEAK void *operator new(std::size_t sz, const std::nothrow_t &nt) throw()
|
||||
__asm__ ("___real__ZnwjRKSt9nothrow_t");
|
||||
extern WEAK void *operator new[](std::size_t sz, const std::nothrow_t &nt) throw()
|
||||
__asm__ ("___real__ZnajRKSt9nothrow_t");
|
||||
extern WEAK void operator delete(void *p, const std::nothrow_t &nt) throw()
|
||||
__asm__ ("___real__ZdlPvRKSt9nothrow_t");
|
||||
extern WEAK void operator delete[](void *p, const std::nothrow_t &nt) throw()
|
||||
__asm__ ("___real__ZdaPvRKSt9nothrow_t");
|
||||
|
||||
/* Avoid an info message from linker when linking applications. */
|
||||
extern __declspec(dllimport) struct _reent *_impure_ptr;
|
||||
|
||||
#undef environ
|
||||
@ -25,6 +51,14 @@ int main (int, char **, char **);
|
||||
int _fmode;
|
||||
void _pei386_runtime_relocator ();
|
||||
|
||||
struct per_process_cxx_malloc __cygwin_cxx_malloc =
|
||||
{
|
||||
&(operator new), &(operator new[]),
|
||||
&(operator delete), &(operator delete[]),
|
||||
&(operator new), &(operator new[]),
|
||||
&(operator delete), &(operator delete[])
|
||||
};
|
||||
|
||||
/* Set up pointers to various pieces so the dll can then use them,
|
||||
and then jump to the dll. */
|
||||
|
||||
@ -33,17 +67,15 @@ _cygwin_crt0_common (MainFunc f, per_process *u)
|
||||
{
|
||||
/* This is used to record what the initial sp was. The value is needed
|
||||
when copying the parent's stack to the child during a fork. */
|
||||
DWORD newu;
|
||||
per_process *newu = (per_process *) cygwin_internal (CW_USER_DATA);
|
||||
int uwasnull;
|
||||
|
||||
if (u != NULL)
|
||||
uwasnull = 0; /* Caller allocated space for per_process structure */
|
||||
else if ((newu = cygwin_internal (CW_USER_DATA)) == (DWORD) -1)
|
||||
return 0;
|
||||
uwasnull = 0; /* Caller allocated space for per_process structure. */
|
||||
else
|
||||
{
|
||||
u = (per_process *) newu; /* Using DLL built-in per_process */
|
||||
uwasnull = 1; /* Remember for later */
|
||||
u = newu; /* Using DLL built-in per_process. */
|
||||
uwasnull = 1; /* Remember for later. */
|
||||
}
|
||||
|
||||
/* The version numbers are the main source of compatibility checking.
|
||||
@ -64,8 +96,6 @@ _cygwin_crt0_common (MainFunc f, per_process *u)
|
||||
else
|
||||
u->impure_ptr_ptr = &_impure_ptr; /* Older DLLs need this. */
|
||||
|
||||
u->forkee = 0; /* This should only be set in dcrt0.cc
|
||||
when the process is actually forked */
|
||||
u->main = f;
|
||||
|
||||
/* These functions are executed prior to main. They are just stubs unless the
|
||||
@ -84,7 +114,28 @@ _cygwin_crt0_common (MainFunc f, per_process *u)
|
||||
u->realloc = &realloc;
|
||||
u->calloc = &calloc;
|
||||
|
||||
/* Setup the module handle so fork can get the path name. */
|
||||
/* Likewise for the C++ memory operators - if any. */
|
||||
if (newu && newu->cxx_malloc)
|
||||
{
|
||||
/* Inherit what we don't override. */
|
||||
#define CONDITIONALLY_OVERRIDE(MEMBER) \
|
||||
if (!__cygwin_cxx_malloc.MEMBER) \
|
||||
__cygwin_cxx_malloc.MEMBER = newu->cxx_malloc->MEMBER;
|
||||
CONDITIONALLY_OVERRIDE(oper_new);
|
||||
CONDITIONALLY_OVERRIDE(oper_new__);
|
||||
CONDITIONALLY_OVERRIDE(oper_delete);
|
||||
CONDITIONALLY_OVERRIDE(oper_delete__);
|
||||
CONDITIONALLY_OVERRIDE(oper_new_nt);
|
||||
CONDITIONALLY_OVERRIDE(oper_new___nt);
|
||||
CONDITIONALLY_OVERRIDE(oper_delete_nt);
|
||||
CONDITIONALLY_OVERRIDE(oper_delete___nt);
|
||||
}
|
||||
|
||||
/* Now update the resulting set into the global redirectors. */
|
||||
if (newu)
|
||||
newu->cxx_malloc = &__cygwin_cxx_malloc;
|
||||
|
||||
/* Setup the module handle so fork can get the path name. */
|
||||
u->hmodule = GetModuleHandle (0);
|
||||
|
||||
/* variables for fork */
|
||||
|
||||
90
winsup/cygwin/libstdcxx_wrapper.cc
Executable file
90
winsup/cygwin/libstdcxx_wrapper.cc
Executable file
@ -0,0 +1,90 @@
|
||||
/* libstdcxx_wrapper.cc
|
||||
|
||||
Copyright 2009 Red Hat, Inc.
|
||||
|
||||
This file is part of Cygwin.
|
||||
|
||||
This software is a copyrighted work licensed under the terms of the
|
||||
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
||||
details. */
|
||||
|
||||
|
||||
/* We provide these stubs to call into a user's
|
||||
provided ONDEE replacement if there is one - otherwise
|
||||
it must fall back to the standard libstdc++ version. */
|
||||
|
||||
#include "winsup.h"
|
||||
#include "cygwin-cxx.h"
|
||||
#include "perprocess.h"
|
||||
|
||||
/* We are declaring asm names for the functions we define here, as we want
|
||||
to define the wrappers in this file. GCC links everything with wrappers
|
||||
around the standard C++ memory management operators; these are the wrappers,
|
||||
but we want the compiler to know they are the malloc operators and not have
|
||||
it think they're just any old function matching 'extern "C" _wrap_*'. */
|
||||
|
||||
extern void *operator new(std::size_t sz) throw (std::bad_alloc)
|
||||
__asm__ ("___wrap__Znwj");
|
||||
extern void *operator new[](std::size_t sz) throw (std::bad_alloc)
|
||||
__asm__ ("___wrap__Znaj");
|
||||
extern void operator delete(void *p) throw()
|
||||
__asm__ ("___wrap__ZdlPv ");
|
||||
extern void operator delete[](void *p) throw()
|
||||
__asm__ ("___wrap__ZdaPv");
|
||||
extern void *operator new(std::size_t sz, const std::nothrow_t &nt) throw()
|
||||
__asm__ ("___wrap__ZnwjRKSt9nothrow_t");
|
||||
extern void *operator new[](std::size_t sz, const std::nothrow_t &nt) throw()
|
||||
__asm__ ("___wrap__ZnajRKSt9nothrow_t");
|
||||
extern void operator delete(void *p, const std::nothrow_t &nt) throw()
|
||||
__asm__ ("___wrap__ZdlPvRKSt9nothrow_t");
|
||||
extern void operator delete[](void *p, const std::nothrow_t &nt) throw()
|
||||
__asm__ ("___wrap__ZdaPvRKSt9nothrow_t");
|
||||
|
||||
extern void *
|
||||
operator new(std::size_t sz) throw (std::bad_alloc)
|
||||
{
|
||||
return (*user_data->cxx_malloc->oper_new) (sz);
|
||||
}
|
||||
|
||||
extern void *
|
||||
operator new[](std::size_t sz) throw (std::bad_alloc)
|
||||
{
|
||||
return (*user_data->cxx_malloc->oper_new__) (sz);
|
||||
}
|
||||
|
||||
extern void
|
||||
operator delete(void *p) throw()
|
||||
{
|
||||
(*user_data->cxx_malloc->oper_delete) (p);
|
||||
}
|
||||
|
||||
extern void
|
||||
operator delete[](void *p) throw()
|
||||
{
|
||||
(*user_data->cxx_malloc->oper_delete__) (p);
|
||||
}
|
||||
|
||||
extern void *
|
||||
operator new(std::size_t sz, const std::nothrow_t &nt) throw()
|
||||
{
|
||||
return (*user_data->cxx_malloc->oper_new_nt) (sz, nt);
|
||||
}
|
||||
|
||||
extern void *
|
||||
operator new[](std::size_t sz, const std::nothrow_t &nt) throw()
|
||||
{
|
||||
return (*user_data->cxx_malloc->oper_new___nt) (sz, nt);
|
||||
}
|
||||
|
||||
extern void
|
||||
operator delete(void *p, const std::nothrow_t &nt) throw()
|
||||
{
|
||||
(*user_data->cxx_malloc->oper_delete_nt) (p, nt);
|
||||
}
|
||||
|
||||
extern void
|
||||
operator delete[](void *p, const std::nothrow_t &nt) throw()
|
||||
{
|
||||
(*user_data->cxx_malloc->oper_delete___nt) (p, nt);
|
||||
}
|
||||
|
||||
@ -183,6 +183,9 @@ extern "C" int dll_dllcrt0 (HMODULE, per_process *);
|
||||
extern "C" int dll_noncygwin_dllcrt0 (HMODULE, per_process *);
|
||||
void __stdcall do_exit (int) __attribute__ ((regparm (1), noreturn));
|
||||
|
||||
/* libstdc++ malloc operator wrapper support. */
|
||||
extern struct per_process_cxx_malloc default_cygwin_cxx_malloc;
|
||||
|
||||
/* UID/GID */
|
||||
void uinfo_init ();
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user