Code style/whitespace cleanup; remove obsolete headers.

And move the MAP_ANON redefinition from py/asmx64.c to unix/alloc.c.

py/asmarm.c

@@ -84,16 +84,15 @@ void asm_arm_end_pass(asm_arm_t *as) {
         if(as->code_base == NULL) {
             assert(0);
         }
-    }
-    else if(as->pass == ASM_ARM_PASS_EMIT) {
+    } else if(as->pass == ASM_ARM_PASS_EMIT) {
 #ifdef __arm__
         // flush I- and D-cache
-	asm volatile(
+        asm volatile(
                 "0:"
                 "mrc p15, 0, r15, c7, c10, 3\n"
                 "bne 0b\n"
                 "mov r0, #0\n"
-	        "mcr p15, 0, r0, c7, c7, 0\n"
+                "mcr p15, 0, r0, c7, c7, 0\n"
                 : : : "r0", "cc");
 #endif
     }

py/asmx64.c

@@ -35,15 +35,8 @@
 // wrapper around everything in this file
 #if MICROPY_EMIT_X64
 
-#include <sys/types.h>
-#include <sys/mman.h>
-
 #include "asmx64.h"
 
-#if defined(__OpenBSD__) || defined(__MACH__)
-#define MAP_ANONYMOUS MAP_ANON
-#endif
-
 /* all offsets are measured in multiples of 8 bytes */
 #define WORD_SIZE                (8)
 
@@ -164,7 +157,7 @@ void asm_x64_start_pass(asm_x64_t *as, uint pass) {
 void asm_x64_end_pass(asm_x64_t *as) {
     if (as->pass == ASM_X64_PASS_COMPUTE) {
         MP_PLAT_ALLOC_EXEC(as->code_offset, (void**) &as->code_base, &as->code_size);
-	if(as->code_base == NULL) {
+        if(as->code_base == NULL) {
             assert(0);
         }
         //printf("code_size: %u\n", as->code_size);

py/compile.c

@@ -3692,7 +3692,7 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, uint emit_opt, bool is
 #elif MICROPY_EMIT_THUMB
         emit_native_thumb_free(emit_native);
 #elif MICROPY_EMIT_ARM
-	emit_native_arm_free(emit_native);
+        emit_native_arm_free(emit_native);
 #endif
     }
 #endif

py/emitnative.c

@@ -394,7 +394,7 @@ STATIC void emit_native_end_pass(emit_t *emit) {
         void *f = asm_thumb_get_code(emit->as);
         mp_uint_t f_len = asm_thumb_get_code_size(emit->as);
 #elif N_ARM
-	void *f = asm_arm_get_code(emit->as);
+        void *f = asm_arm_get_code(emit->as);
         mp_uint_t f_len = asm_arm_get_code_size(emit->as);
 #endif
 

unix/Makefile

@@ -75,7 +75,7 @@ SRC_C = \
 	file.c \
 	modsocket.c \
 	modos.c \
-        alloc.c \
+	alloc.c \
 	$(SRC_MOD)
 
 ifeq ($(UNAME_S),Darwin)

unix/alloc.c

@@ -30,8 +30,11 @@
 
 #include "mpconfigport.h"
 
-void mp_unix_alloc_exec(mp_uint_t min_size, void** ptr, mp_uint_t *size)
-{
+#if defined(__OpenBSD__) || defined(__MACH__)
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
+void mp_unix_alloc_exec(mp_uint_t min_size, void **ptr, mp_uint_t *size) {
     // size needs to be a multiple of the page size
     *size = (min_size + 0xfff) & (~0xfff);
     *ptr = mmap(NULL, *size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
@@ -40,7 +43,6 @@ void mp_unix_alloc_exec(mp_uint_t min_size, void** ptr, mp_uint_t *size)
     }
 }
 
-void mp_unix_free_exec(void *ptr, mp_uint_t size)
-{
+void mp_unix_free_exec(void *ptr, mp_uint_t size) {
     munmap(ptr, size);
 }