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Diffstat (limited to 'REORG.TODO/hurd/hurdstartup.h')
| -rw-r--r-- | REORG.TODO/hurd/hurdstartup.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/REORG.TODO/hurd/hurdstartup.h b/REORG.TODO/hurd/hurdstartup.h new file mode 100644 index 0000000000..f0d82d96a5 --- /dev/null +++ b/REORG.TODO/hurd/hurdstartup.h @@ -0,0 +1,63 @@ +/* Data from initial program startup for running under the GNU Hurd. + Copyright (C) 1995-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _HURDSTARTUP_H +#define _HURDSTARTUP_H 1 + +# include <stdint.h> + +/* Interesting data saved from the exec_startup reply. + The DATA argument to *MAIN (see below) points to: + + int argc; + char *argv[argc]; + char *argv_terminator = NULL; + char *envp[?]; + char *envp_terminator = NULL; + struct hurd_startup_data data; + +*/ + +struct hurd_startup_data + { + int flags; + mach_port_t *dtable; + mach_msg_type_number_t dtablesize; + mach_port_t *portarray; + mach_msg_type_number_t portarraysize; + int *intarray; + mach_msg_type_number_t intarraysize; + vm_address_t stack_base; + vm_size_t stack_size; + vm_address_t phdr; + vm_size_t phdrsz; + vm_address_t user_entry; + }; + + +/* Initialize Mach RPCs; do initial handshake with the exec server (or + extract the arguments from the stack in the case of the bootstrap task); + finally, call *MAIN with the information gleaned. That function is not + expected to return. ARGPTR should be the address of the first argument + of the entry point function that is called with the stack exactly as the + exec server or kernel sets it. */ + +extern void _hurd_startup (void **argptr, void (*main) (intptr_t *data)); + + +#endif /* hurdstartup.h */ |