newlib-cygwin/winsup/cygwin/lib/_cygwin_crt0_common.cc

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Remove unneeded header files from source files throughout. Update copyrights where appropriate. * globals.cc: New file for generic global variables. * mkglobals_h: New file to generate globals.h. * mkstatic: New Script used to build a (currently non-working) static libcygwin_s.a. * Makefile.in: Add unused rule to build a non-working libcygwin_s.a. (DLL_OFILES): Add globals.o. Make all objects rely on globals.h. (globals.h): New target. Generate globals.h. * cygtls.h: Honor new CYGTLS_HANDLE define to control when the HANDLE operator is allowed in _cygtls. * dcrt0.cc: Move most globals to globals.cc. * init.cc: Ditto. * environ.cc (strip_title_path): Remove now-unneeded extern. * fhandler_serial.cc (fhandler_serial::open): Ditto. * pinfo.cc: Ditto. (commune_process): Ditto. * shared.cc: Ditto. * glob.cc: Ditto. * strace.cc: Ditto. * exceptions.cc: Define CYGTLS_HANDLE before including winsup.h. * path.cc (stat_suffixes): Move here. * security.h: Add forward class path_conv declaration. * smallprint.cc (__small_vsprintf): Make a true c++ function. (__small_sprintf): Ditto. (small_printf): Ditto. (console_printf): Ditto. (__small_vswprintf): Ditto. (__small_swprintf): Ditto. * spawn.cc (spawn_guts): Remove _stdcall decoration in favor of regparm. (hExeced): Move to globals.cc * strfuncs.cc (current_codepage): Ditto. (active_codepage): Ditto. * sync.cc (lock_process::locker): Move here from dcrt0.cc. * syscalls.cc (stat_suffixes): Move to path.cc. * tty.cc (tty::create_master): Uncapitalize fatal warning for consistency. * winsup.h: Include globals.h to declare most of the grab bag list of globals which were previously defined here. * mount.h: Move USER_* defines back to shared_info.h. * speclib: Force temporary directory cleanup.
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/* _cygwin_crt0_common.cc: common crt0 function for cygwin crt0's.
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
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Remove unneeded header files from source files throughout. Update copyrights where appropriate. * globals.cc: New file for generic global variables. * mkglobals_h: New file to generate globals.h. * mkstatic: New Script used to build a (currently non-working) static libcygwin_s.a. * Makefile.in: Add unused rule to build a non-working libcygwin_s.a. (DLL_OFILES): Add globals.o. Make all objects rely on globals.h. (globals.h): New target. Generate globals.h. * cygtls.h: Honor new CYGTLS_HANDLE define to control when the HANDLE operator is allowed in _cygtls. * dcrt0.cc: Move most globals to globals.cc. * init.cc: Ditto. * environ.cc (strip_title_path): Remove now-unneeded extern. * fhandler_serial.cc (fhandler_serial::open): Ditto. * pinfo.cc: Ditto. (commune_process): Ditto. * shared.cc: Ditto. * glob.cc: Ditto. * strace.cc: Ditto. * exceptions.cc: Define CYGTLS_HANDLE before including winsup.h. * path.cc (stat_suffixes): Move here. * security.h: Add forward class path_conv declaration. * smallprint.cc (__small_vsprintf): Make a true c++ function. (__small_sprintf): Ditto. (small_printf): Ditto. (console_printf): Ditto. (__small_vswprintf): Ditto. (__small_swprintf): Ditto. * spawn.cc (spawn_guts): Remove _stdcall decoration in favor of regparm. (hExeced): Move to globals.cc * strfuncs.cc (current_codepage): Ditto. (active_codepage): Ditto. * sync.cc (lock_process::locker): Move here from dcrt0.cc. * syscalls.cc (stat_suffixes): Move to path.cc. * tty.cc (tty::create_master): Uncapitalize fatal warning for consistency. * winsup.h: Include globals.h to declare most of the grab bag list of globals which were previously defined here. * mount.h: Move USER_* defines back to shared_info.h. * speclib: Force temporary directory cleanup.
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Copyright 2000, 2001, 2002, 2003, 2004, 2009 Red Hat, Inc.
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
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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. */
#include "winsup.h"
#include "crt0.h"
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.
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#include "cygwin-cxx.h"
/* 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;
/* Initialised in _cygwin_dll_entry. */
extern int __dynamically_loaded;
#undef environ
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
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extern "C"
{
char **environ;
int cygwin_attach_dll (HMODULE, MainFunc);
int cygwin_attach_noncygwin_dll (HMODULE, MainFunc);
int main (int, char **, char **);
int _fmode;
void _pei386_runtime_relocator ();
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
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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.
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struct per_process_cxx_malloc __cygwin_cxx_malloc =
{
&(operator new), &(operator new[]),
&(operator delete), &(operator delete[]),
&(operator new), &(operator new[]),
&(operator delete), &(operator delete[])
};
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
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/* Set up pointers to various pieces so the dll can then use them,
and then jump to the dll. */
int __stdcall
_cygwin_crt0_common (MainFunc f, per_process *u)
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
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{
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.
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per_process *newu = (per_process *) cygwin_internal (CW_USER_DATA);
bool uwasnull;
/* u is non-NULL if we are in a DLL, and NULL in the main exe.
newu is the Cygwin DLL's internal per_process and never NULL. */
if (u != NULL)
uwasnull = false; /* Caller allocated space for per_process structure. */
else
{
u = newu; /* Using DLL built-in per_process. */
uwasnull = true; /* Remember for later. */
}
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
2000-07-01 11:51:55 +08:00
/* The version numbers are the main source of compatibility checking.
As a backup to them, we use the size of the per_process struct. */
u->magic_biscuit = sizeof (per_process);
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
2000-07-01 11:51:55 +08:00
/* cygwin.dll version number in effect at the time the app was created. */
u->dll_major = CYGWIN_VERSION_DLL_MAJOR;
u->dll_minor = CYGWIN_VERSION_DLL_MINOR;
u->api_major = CYGWIN_VERSION_API_MAJOR;
u->api_minor = CYGWIN_VERSION_API_MINOR;
u->ctors = &__CTOR_LIST__;
u->dtors = &__DTOR_LIST__;
u->envptr = &environ;
if (uwasnull)
_impure_ptr = u->impure_ptr; /* Use field initialized in newer DLLs. */
else
u->impure_ptr_ptr = &_impure_ptr; /* Older DLLs need this. */
u->main = f;
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
2000-07-01 11:51:55 +08:00
/* These functions are executed prior to main. They are just stubs unless the
user overrides them. */
u->premain[0] = cygwin_premain0;
u->premain[1] = cygwin_premain1;
u->premain[2] = cygwin_premain2;
u->premain[3] = cygwin_premain3;
u->fmode_ptr = &_fmode;
/* 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. */
u->initial_sp = (char *) __builtin_frame_address (1);
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
2000-07-01 11:51:55 +08:00
/* Remember whatever the user linked his application with - or
point to entries in the dll. */
u->malloc = &malloc;
u->free = &free;
u->realloc = &realloc;
u->calloc = &calloc;
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
2000-07-01 11:51:55 +08:00
/* Likewise for the C++ memory operators, if any, but not if we
were dlopen()'d, as we might get dlclose()'d and that would
leave stale function pointers behind. */
if (newu && newu->cxx_malloc && !__dynamically_loaded)
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.
2009-07-08 04:12:44 +08:00
{
/* 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. */
*newu->cxx_malloc = __cygwin_cxx_malloc;
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.
2009-07-08 04:12:44 +08:00
}
/* Setup the module handle so fork can get the path name. */
u->hmodule = GetModuleHandle (0);
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
2000-07-01 11:51:55 +08:00
/* variables for fork */
u->data_start = &_data_start__;
u->data_end = &_data_end__;
u->bss_start = &_bss_start__;
u->bss_end = &_bss_end__;
_pei386_runtime_relocator ();
return 1;
* Makefile.in: Use variables rather than configure constructs where appropriate. (LIBCOS): Find additional stub library stuff in their own subdirectory. * dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area. (do_global_ctors): Check magic_bisquit for initialization. (dll_crt0_1): First group of premain functions prior to fd initialization. Run second group before calling main. (dll_crt0 ()): New function, called from new initialization code. (dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on initialization. * debug.cc (thread_stub): Initialize bottom of stack with per-thread info. * environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode behavior. * fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to O_BINARY or O_TEXT to override disk mount settings. * libcmain.cc: Move to lib subdirectory. * libccrt0.cc: Ditto. * dll_main.cc: Ditto. * dll_entry.cc: Ditto. * getopt.c: Ditto. * thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than returning, as a preliminary step towards placing per thread info at the bottom of the stack. * winsup.h: Move per_process class to include/sys/cygwin.h. Declare new dll_crt0(). * include/cygwin/version.h: Bump API minor version. * binmode.c: New file. * textmode.c: Ditto. * lib/_cygwin_crt0_common.cc: Ditto. * lib/crt0.h: Ditto. * lib/cygwin_attach_dll.c: Ditto. * lib/cygwin_crt0.c: Ditto. * lib/dll_entry.cc: Ditto. * lib/dll_main.cc: Ditto. * lib/getopt.c: Ditto. * lib/libcmain.c: Ditto. * lib/premain0.c: Ditto. * lib/premain1.c: Ditto. * lib/premain2.c: Ditto. * lib/premain3.c: Ditto.
2000-07-01 11:51:55 +08:00
}
} /* "C" */