rts: Fix ARM linker includes

 * Prefer #pragma once over guard macros
 * Drop redundant #includes
 * Fix order to ensure that necessary macros are defined when we
   condition on them

6 files changed, 7 insertions, 17 deletions

diff --git a/rts/linker/elf_compat.h b/rts/linker/elf_compat.h
index b409728a09..424d1d25f8 100644
--- a/rts/linker/elf_compat.h
+++ b/rts/linker/elf_compat.h
@@ -9,8 +9,7 @@
 // under which it is distrubuted.
 //
 
-#if !defined(RTS_ELF_COMPAT_H)
-#define RTS_ELF_COMPAT_H
+#pragma once
 
 #define PASTE(x,y) x ## y
 #define EVAL(x,y) PASTE(x,y)
@@ -31,5 +30,3 @@ enum Reloci386 {
 enum RelocX86_64 {
 #include "ELFRelocs/x86_64.def"
 };
-
-#endif //RTS_ELF_COMPAT_H
diff --git a/rts/linker/elf_got.h b/rts/linker/elf_got.h
index 4653030ab3..811404c4cd 100644
--- a/rts/linker/elf_got.h
+++ b/rts/linker/elf_got.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include "LinkerInternals.h"
-#include "ghcplatform.h"
 
 #include <stdbool.h>
 #include <linker/ElfTypes.h>
diff --git a/rts/linker/elf_plt.h b/rts/linker/elf_plt.h
index 0d99c7e462..081420476f 100644
--- a/rts/linker/elf_plt.h
+++ b/rts/linker/elf_plt.h
@@ -1,13 +1,12 @@
 #pragma once
 
-#if defined(arm_HOST_ARCH) || defined(aarch64_HOST_ARCH)
-
-#include "ghcplatform.h"
 #include <LinkerInternals.h>
 
 #include "elf_plt_arm.h"
 #include "elf_plt_aarch64.h"
 
+#if defined(arm_HOST_ARCH) || defined(aarch64_HOST_ARCH)
+
 #if defined(OBJFORMAT_ELF)
 
 #if defined(__x86_64__)
diff --git a/rts/linker/elf_reloc_aarch64.h b/rts/linker/elf_reloc_aarch64.h
index 06b41eff0e..ac7a90ea16 100644
--- a/rts/linker/elf_reloc_aarch64.h
+++ b/rts/linker/elf_reloc_aarch64.h
@@ -1,9 +1,9 @@
 #pragma once
 
-#if defined(OBJFORMAT_ELF)
-
 #include "LinkerInternals.h"
 
+#if defined(OBJFORMAT_ELF)
+
 bool
 relocateObjectCodeAarch64(ObjectCode * oc);
 
diff --git a/rts/linker/elf_util.h b/rts/linker/elf_util.h
index 2ece198268..0f9a85ffb0 100644
--- a/rts/linker/elf_util.h
+++ b/rts/linker/elf_util.h
@@ -1,5 +1,4 @@
-#if !defined(RTS_LINKER_ELF_UTIL_H)
-#define RTS_LINKER_ELF_UTIL_H
+#pragma once
 
 #include "LinkerInternals.h"
 
@@ -13,4 +12,3 @@ ElfSymbol * findSymbol(ObjectCode * oc,
                        unsigned long symbolIndex);
 
 #endif
-#endif //RTS_LINKER_ELF_UTIL_H
diff --git a/rts/linker/util.h b/rts/linker/util.h
index 77f06978ab..6f08729075 100644
--- a/rts/linker/util.h
+++ b/rts/linker/util.h
@@ -1,5 +1,4 @@
-#if !defined(RTS_LINKER_UTIL_H)
-#define RTS_LINKER_UTIL_H
+#pragma once
 
 #include <stdint.h>
 #include <stdbool.h>
@@ -26,5 +25,3 @@ isInt64(uint32_t bits, int64_t x) {
     return bits > 64 || (-((int64_t)1 << (bits-1)) <= x
                          && x < ((int64_t)1 << (bits-1)));
 }
-
-#endif //RTS_LINKER_UTIL_H