| 1 | /* |
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| 2 | This file is part of ALMOS-SYS. |
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| 3 | |
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| 4 | ALMOS-SYS is free software; you can redistribute it and/or modify it |
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| 5 | under the terms of the GNU General Public License as published by |
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| 6 | the Free Software Foundation; either version 2 of the License, or |
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| 7 | (at your option) any later version. |
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| 8 | |
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| 9 | ALMOS-SYS is distributed in the hope that it will be useful, but |
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| 10 | WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU General Public License |
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| 15 | along with ALMOS-SYS; if not, write to the Free Software Foundation, |
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| 16 | Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 17 | |
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| 18 | UPMC / LIP6 / SOC (c) 2009 |
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| 19 | Copyright Ghassan Almaless <ghassan.almaless@gmail.com> |
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| 20 | */ |
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| 21 | |
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| 22 | #include <stdlib.h> |
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| 23 | #include <sys/syscall.h> |
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| 24 | #include <cpu-syscall.h> |
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| 25 | #include <pthread.h> |
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| 26 | #include <gomp/omp-pv.h> |
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| 27 | |
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| 28 | char **environ; |
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| 29 | |
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| 30 | extern int main(); |
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| 31 | extern void __heap_manager_init(void); |
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| 32 | |
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| 33 | extern unsigned int __bss_start; |
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| 34 | extern unsigned int __bss_end; |
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| 35 | |
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| 36 | static void __sigreturn(void) |
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| 37 | { |
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| 38 | cpu_syscall(NULL,NULL,NULL,NULL,SYS_SIGRETURN); |
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| 39 | } |
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| 40 | |
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| 41 | void __attribute__ ((section (".init"))) _start(char **argv, char **envp) |
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| 42 | { |
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| 43 | int retval; |
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| 44 | int argc; |
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| 45 | __pthread_tls_t tls; |
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| 46 | struct __shared_s __default; |
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| 47 | unsigned int *bss_end = &__bss_end; |
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| 48 | unsigned int *bss_start = &__bss_start; |
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| 49 | |
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| 50 | CPU_SET_GP(bss_start); |
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| 51 | |
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| 52 | environ = envp; |
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| 53 | |
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| 54 | /* First of all, init tls */ |
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| 55 | __pthread_tls_init(&tls); |
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| 56 | __pthread_tls_set(&tls,__PT_TLS_SHARED,&__default); |
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| 57 | __default.mailbox = 0; |
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| 58 | __default.tid = tls.attr.key; |
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| 59 | /* ---------------------- */ |
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| 60 | __heap_manager_init(); |
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| 61 | __pthread_init(); |
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| 62 | |
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| 63 | #ifdef HAVE_GOMP |
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| 64 | initialize_env(); |
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| 65 | initialize_team(); |
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| 66 | initialize_critical(); |
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| 67 | #endif |
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| 68 | |
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| 69 | for(argc=0; argv[argc] != NULL; argc++) |
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| 70 | { |
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| 71 | #if 0 |
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| 72 | printf("LibC: argc %d, argv[%d]=%s\n", argc, argc, argv[argc]); |
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| 73 | fflush(stdout); |
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| 74 | #endif |
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| 75 | } |
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| 76 | |
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| 77 | cpu_syscall(&__sigreturn,NULL,NULL,NULL, SYS_SET_SIGRETURN); |
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| 78 | //pthread_exit((void *)main()); |
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| 79 | retval = main(argc, argv, envp); |
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| 80 | |
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| 81 | fprintf(stderr, "LibC: main ended\n"); |
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| 82 | |
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| 83 | #ifdef HAVE_GOMP |
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| 84 | fprintf(stderr, "LibC: calling gomp tream_destructor\n"); |
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| 85 | team_destructor(); |
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| 86 | #endif |
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| 87 | |
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| 88 | exit(retval); |
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| 89 | } |
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