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-rw-r--r--gcc-4.4.0/contrib/gthr_supp_vxw_5x.c92
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diff --git a/gcc-4.4.0/contrib/gthr_supp_vxw_5x.c b/gcc-4.4.0/contrib/gthr_supp_vxw_5x.c
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+++ b/gcc-4.4.0/contrib/gthr_supp_vxw_5x.c
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+/* 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)
+{
+}