URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Subversion Repositories openrisc_me
[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [contrib/] [gthr_supp_vxw_5x.c] - Rev 283
Go to most recent revision | Compare with Previous | Blame | View Log
/* Kernel-side additional module for the VxWorks threading support logic for GCC. Written 2002 by Zack Weinberg. This file is distributed with GCC, but it is not part of GCC. The contents of this file are in the public domain. */ /* If you are using the Tornado IDE, copy this file to $WIND_BASE/target/config/comps/src/gthread_supp.c. Then create a file named 10comp_gthread_supp.cdf in target/config/comps/vxWorks with the following contents: Component INCLUDE_GCC_GTHREAD { NAME GCC 3.x gthread support (required by C++) CONFIGLETTES gthread_supp.c REQUIRES INCLUDE_CPLUS INCLUDE_WHEN INCLUDE_CPLUS _FOLDER FOLDER_CPLUS } If you are using command line builds, instead copy this file to $WIND_BASE/target/src/config/gthread_supp.c, and add the following block to target/src/config/usrExtra.c: #ifdef INCLUDE_CPLUS #include "../../src/config/gthread_supp.c" #endif You should now be able to rebuild your application using GCC 3.x. */ #include <vxWorks.h> #include <taskLib.h> /* This file provides these routines: */ extern void *__gthread_get_tsd_data (WIND_TCB *tcb); extern void __gthread_set_tsd_data (WIND_TCB *tcb, void *data); extern void __gthread_enter_tsd_dtor_context (WIND_TCB *tcb); extern void __gthread_leave_tsd_dtor_context (WIND_TCB *tcb); /* Set and retrieve the TSD data block for the task TCB. Possible choices for TSD_SLOT are: reserved1 reserved2 spare1 spare2 spare3 spare4 (these are all fields of the TCB structure; all have type 'int'). If you find that the slot chosen by default is already used for something else, simply change the #define below and recompile this file. No other file should reference TSD_SLOT directly. */ /* WARNING: This code is not 64-bit clean (it assumes that a pointer can be held in an 'int' without truncation). As much of the rest of VxWorks also makes this assumption, we can't really avoid it. */ #define TSD_SLOT reserved1 void * __gthread_get_tsd_data (WIND_TCB *tcb) { return (void *) (tcb->TSD_SLOT); } void __gthread_set_tsd_data (WIND_TCB *tcb, void *data) { tcb->TSD_SLOT = (int) data; } /* Enter and leave "TSD destructor context". This is defined as a state in which it is safe to call free() from a task delete hook on a memory block allocated by the task being deleted. For VxWorks 5.x, nothing needs to be done. */ #if __GNUC__ >= 2 #define UNUSED __attribute__((unused)) #else #define UNUSED #endif void __gthread_enter_tsd_dtor_context (WIND_TCB *tcb UNUSED) { } void __gthread_leave_tsd_dtor_context (WIND_TCB *tcb UNUSED) { }
Go to most recent revision | Compare with Previous | Blame | View Log