score: Add CPU_USE_LIBC_INIT_FINI_ARRAY

This introduces the CPU_USE_LIBC_INIT_FINI_ARRAY define for use by CPU
ports to determine which global constructor and destructor methods are
used instead of placing architecture defines where they shouldn't be.

Close #4018

cpukit/libcsupport/src/newlibc_exit.c

@@ -17,11 +17,8 @@
 #include <stdio.h>
 #include <unistd.h>
 
-/* FIXME: These defines are a blatant hack */
-
   #if defined(__USE_INIT_FINI__)
-    #if defined(__ARM_EABI__) || defined(__riscv) \
+    #if CPU_USE_LIBC_INIT_FINI_ARRAY == TRUE
-      || defined(__or1k__) || defined(__or1knd__)
       #define FINI_SYMBOL __libc_fini_array
     #else
       #define FINI_SYMBOL _fini

cpukit/score/cpu/arm/include/rtems/score/cpu.h

@@ -153,6 +153,8 @@
 
 #define CPU_USE_GENERIC_BITFIELD_CODE TRUE
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY TRUE
+
 #define CPU_MAXIMUM_PROCESSORS 32
 
 #ifdef ARM_MULTILIB_HAS_THREAD_ID_REGISTER

cpukit/score/cpu/bfin/include/rtems/score/cpu.h

@@ -507,6 +507,8 @@ void _CPU_Context_Initialize(
 
 #define CPU_USE_GENERIC_BITFIELD_CODE TRUE
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 /* functions */
 
 /**

cpukit/score/cpu/epiphany/include/rtems/score/cpu.h

@@ -445,6 +445,8 @@ void _CPU_Context_Initialize(
 
 #define CPU_USE_GENERIC_BITFIELD_CODE TRUE
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 #endif /* ASM */
 
 /**

cpukit/score/cpu/i386/include/rtems/score/cpu.h

@@ -503,6 +503,8 @@ extern void _CPU_Fatal_halt(uint32_t source, uint32_t error)
 
 /* end of Fatal Error manager macros */
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 /*
  *  Bitfield handler macros
  *

cpukit/score/cpu/lm32/include/rtems/score/cpu.h

@@ -628,6 +628,8 @@ extern char _gp[];
 
 #define CPU_USE_GENERIC_BITFIELD_CODE TRUE
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 /* functions */
 
 /**

cpukit/score/cpu/m68k/include/rtems/score/cpu.h

@@ -433,6 +433,8 @@ void *_CPU_Thread_Idle_body( uintptr_t ignored );
 
 /* end of Fatal Error manager macros */
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 /*
  *  Bitfield handler macros
  *

cpukit/score/cpu/mips/include/rtems/score/cpu.h

@@ -740,6 +740,8 @@ extern void mips_break( int error );
 
 #define CPU_USE_GENERIC_BITFIELD_CODE TRUE
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 /* functions */
 
 /*

cpukit/score/cpu/moxie/include/rtems/score/cpu.h

@@ -427,6 +427,8 @@ uint32_t   _CPU_ISR_Get_level( void );
 
 #define CPU_USE_GENERIC_BITFIELD_CODE TRUE
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 /* functions */
 
 /*

cpukit/score/cpu/nios2/include/rtems/score/cpu.h

@@ -90,6 +90,8 @@ extern "C" {
 
 #define CPU_USE_GENERIC_BITFIELD_CODE TRUE
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 #define CPU_MPCI_RECEIVE_SERVER_EXTRA_STACK 0
 
 #define CPU_MAXIMUM_PROCESSORS 32

cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h

@@ -249,6 +249,13 @@ extern "C" {
  */
 #define CPU_MAXIMUM_PROCESSORS 32
 
+/**
+ * The following define determines whether or not this CPU port will use
+ * libc global constructors and destructors instead of _init/_fini functions
+ * depending on .ctors and .dtors linker sections.
+ */
+#define CPU_USE_LIBC_INIT_FINI_ARRAY TRUE
+
 /*
  *  Processor defined structures required for cpukit/score.
  *

cpukit/score/cpu/or1k/include/rtems/score/cpu.h

@@ -435,6 +435,8 @@ void _CPU_Context_Initialize(
 
 #define CPU_USE_GENERIC_BITFIELD_CODE TRUE
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY TRUE
+
 #endif /* ASM */
 
 #define CPU_SIZEOF_POINTER 4

cpukit/score/cpu/powerpc/include/rtems/score/cpu.h

@@ -805,6 +805,9 @@ void _CPU_Context_Initialize(
 #endif /* ASM */
 
 #ifndef ASM
+
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 /* Bitfield handler macros */
 
 #define CPU_USE_GENERIC_BITFIELD_CODE FALSE

cpukit/score/cpu/riscv/include/rtems/score/cpu.h

@@ -219,6 +219,8 @@ extern void _CPU_Fatal_halt(uint32_t source, uint32_t error) RTEMS_NO_RETURN;
 
 #define CPU_USE_GENERIC_BITFIELD_DATA TRUE
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY TRUE
+
 #define CPU_MAXIMUM_PROCESSORS 32
 
 typedef uint16_t Priority_bit_map_Word;

cpukit/score/cpu/sh/include/rtems/score/cpu.h

@@ -535,6 +535,8 @@ void _CPU_Context_Initialize(
 
 #define CPU_USE_GENERIC_BITFIELD_CODE TRUE
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 /* functions */
 
 /*

cpukit/score/cpu/sparc/include/rtems/score/cpu.h

@@ -917,6 +917,8 @@ extern void _CPU_Fatal_halt(uint32_t source, uint32_t error)
 
 /* end of Fatal Error manager macros */
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 /* Bitfield handler macros */
 
 #if ( SPARC_HAS_BITSCAN == 0 )

cpukit/score/cpu/sparc64/include/rtems/score/cpu.h

@@ -801,6 +801,8 @@ void _CPU_Context_Initialize(
 
 /* end of Fatal Error manager macros */
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 /* Bitfield handler macros */
 
 /*

cpukit/score/cpu/v850/include/rtems/score/cpu.h

@@ -493,6 +493,8 @@ void _CPU_Context_Initialize(
 
 #define CPU_USE_GENERIC_BITFIELD_CODE TRUE
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 /* functions */
 
 /**

cpukit/score/cpu/x86_64/include/rtems/score/cpu.h

@@ -242,6 +242,8 @@ void _CPU_Context_Initialize(
 
 /* end of Fatal Error manager macros */
 
+#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE
+
 /* Bitfield handler macros */
 
 #define CPU_USE_GENERIC_BITFIELD_CODE TRUE

cpukit/score/src/threadhandler.c

@@ -28,9 +28,13 @@
  *  Conditional magic to determine what style of C++ constructor
  *  initialization this target and compiler version uses.
  */
+RTEMS_STATIC_ASSERT(
+  CPU_USE_LIBC_INIT_FINI_ARRAY == TRUE
+    || CPU_USE_LIBC_INIT_FINI_ARRAY == FALSE,
+  CPU_USE_LIBC_INIT_FINI_ARRAY
+);
 #if defined(__USE_INIT_FINI__)
-  #if defined(__ARM_EABI__) || defined(__riscv) \
+  #if CPU_USE_LIBC_INIT_FINI_ARRAY == TRUE
-    || defined(__or1k__) || defined(__or1knd__)
     #define INIT_NAME __libc_init_array
   #else
     #define INIT_NAME _init