Changes in / [c916e12:764b4b2]

Location:

src/libcfa

Files:

• bits/locks.h (modified) (4 diffs)
• concurrency/CtxSwitch-armv7l.S (deleted)
• concurrency/invoke.c (modified) (2 diffs)
• concurrency/invoke.h (modified) (2 diffs)
• concurrency/kernel.c (modified) (2 diffs)
• concurrency/preemption.c (modified) (4 diffs)

src/libcfa/bits/locks.h

@@ -9 +9 @@
 // Author           : Thierry Delisle
 // Created On       : Tue Oct 31 15:14:38 2017
-// Last Modified By : Peter A. Buhr
-// Last Modified On : Fri Dec  8 16:02:22 2017
-// Update Count     : 1
+// Last Modified By : --
+// Last Modified On : --
+// Update Count     : 0
 //
 
@@ -24 +24 @@
 #elif defined( __i386 ) || defined( __x86_64 )
         #define Pause() __asm__ __volatile__ ( "pause" : : : )
-#elif defined( __ARM_ARCH )
-        #define Pause() __asm__ __volatile__ ( "nop" : : : )
 #else
         #error unsupported architecture
 #endif
 
-#if defined( __i386 ) || defined( __x86_64 ) || defined( __ARM_ARCH )
+#if defined( __i386 ) || defined( __x86_64 )
         // Intel recommendation
         #define __ALIGN__ __attribute__(( aligned (128) ))
@@ -39 +37 @@
 #endif
 
-#if __SIZEOF_SIZE_T__ == 8
+#if defined( __x86_64 )
         #define __lock_test_and_test_and_set( lock ) (lock) == 0 && __sync_lock_test_and_set_8( &(lock), 1 ) == 0
         #define __lock_release( lock ) __sync_lock_release_8( &(lock) );
-#elif __SIZEOF_SIZE_T__ == 4
+#elif defined( __i386 )
         #define __lock_test_and_test_and_set( lock ) (lock) == 0 && __sync_lock_test_and_set_4( &(lock), 1 ) == 0
         #define __lock_release( lock ) __sync_lock_release_4( &(lock) );
@@ -50 +48 @@
 
 struct __spinlock_t {
-        __ALIGN__ volatile size_t lock;
+        __ALIGN__ volatile uintptr_t lock;
         #ifdef __CFA_DEBUG__
                 const char * prev_name;

src/libcfa/concurrency/invoke.c

@@ -10 +10 @@
 // Created On       : Tue Jan 17 12:27:26 2016
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Jan 23 14:04:56 2018
-// Update Count     : 2
+// Last Modified On : Fri Jul 21 22:28:33 2017
+// Update Count     : 1
 //
 
@@ -133 +133 @@
         ((struct FakeStack *)(((struct machine_context_t *)stack->context)->SP))->mxcr = 0x1F80; //Vol. 2A 3-520
         ((struct FakeStack *)(((struct machine_context_t *)stack->context)->SP))->fcw = 0x037F;  //Vol. 1 8-7
-
-#elif defined( __ARM_ARCH )
-
-        struct FakeStack {
-                float fpRegs[16];                       // floating point registers
-                void *intRegs[9];                       // integer/pointer registers
-                void *arg[2];                           // placeholder for this pointer
-        };
-
-        ((struct machine_context_t *)stack->context)->SP = (char *)stack->base - sizeof( struct FakeStack );
-        ((struct machine_context_t *)stack->context)->FP = NULL;
-
-        struct FakeStack *fs = (struct FakeStack *)((struct machine_context_t *)stack->context)->SP;
-
-        fs->intRegs[8] = CtxInvokeStub;
-        fs->arg[0] = this;
-        fs->arg[1] = invoke;
 #else
         #error Only __i386__ and __x86_64__ is supported for threads in cfa

src/libcfa/concurrency/invoke.h

@@ -10 +10 @@
 // Created On       : Tue Jan 17 12:27:26 2016
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Jan 23 14:55:46 2018
-// Update Count     : 3
+// Last Modified On : Fri Jul 21 22:28:56 2017
+// Update Count     : 1
 //
 
@@ -203 +203 @@
                         "movl %%ebp,%1\n"   \
                 : "=rm" (ctx.SP), "=rm" (ctx.FP) )
-        #elif defined( __ARM_ARCH )
-        #define CtxGet( ctx ) __asm__ ( \
-                        "mov %0,%%sp\n"   \
-                        "mov %1,%%r11\n"   \
-                : "=rm" (ctx.SP), "=rm" (ctx.FP) )
         #endif
 

src/libcfa/concurrency/kernel.c

@@ -10 +10 @@
 // Created On       : Tue Jan 17 12:27:26 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Fri Dec  8 16:23:33 2017
-// Update Count     : 3
+// Last Modified On : Fri Jul 21 22:33:18 2017
+// Update Count     : 2
 //
 
 //C Includes
 #include <stddef.h>
-#define ftype `ftype`
 extern "C" {
 #include <stdio.h>
@@ -24 +23 @@
 #include <unistd.h>
 }
-#undef ftype
 
 //CFA Includes

src/libcfa/concurrency/preemption.c

@@ -10 +10 @@
 // Created On       : Mon Jun 5 14:20:42 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Jan 23 17:59:30 2018
-// Update Count     : 7
+// Last Modified On : Fri Jul 21 22:36:05 2017
+// Update Count     : 2
 //
 
 #include "preemption.h"
 
-#define ftype `ftype`
 extern "C" {
 #include <errno.h>
@@ -27 +26 @@
 #include <unistd.h>
 }
-#undef ftype
+
 
 #ifdef __USE_STREAM__
@@ -61 +60 @@
 
 // Machine specific register name
-#if   defined(__x86_64__)
+#ifdef __x86_64__
 #define CFA_REG_IP REG_RIP
-#elif defined(__i386__)
+#else
 #define CFA_REG_IP REG_EIP
-#elif defined(__ARM_ARCH__)
-#define CFA_REG_IP REG_R15
 #endif
 
@@ -299 +296 @@
 // Receives SIGUSR1 signal and causes the current thread to yield
 void sigHandler_ctxSwitch( __CFA_SIGPARMS__ ) {
-#if defined( __ARM_ARCH )
-        __cfaabi_dbg_debug_do( last_interrupt = (void *)(cxt->uc_mcontext.arm_pc); )
-#else
         __cfaabi_dbg_debug_do( last_interrupt = (void *)(cxt->uc_mcontext.gregs[CFA_REG_IP]); )
-#endif
-
-                // Check if it is safe to preempt here
+
+        // Check if it is safe to preempt here
         if( !preemption_ready() ) { return; }