Rename __attribute__((packed)) --> __packed

Also unify __attribute__ ((..)) to __attribute__((..)) and
handle ((__packed__)) like ((packed))

Change-Id: Ie60a51c3fa92b5009724a5b7c2932e361bf3490c
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/15921
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

payloads/libpayload/include/arm/arch/exception.h

@@ -39,7 +39,7 @@ struct exception_state
 {
 	u32 regs[16];
 	u32 cpsr;
-} __attribute__((packed));
+} __packed;
 extern struct exception_state exception_state;
 
 extern u32 exception_stack[];

payloads/libpayload/include/arm64/arch/exception.h

@@ -39,7 +39,7 @@ struct exception_state
 	uint64_t elr;
 	uint64_t esr;
 	uint64_t regs[31];
-} __attribute__((packed));
+} __packed;
 
 extern struct exception_state *exception_state;
 

payloads/libpayload/include/cbfs_core.h

@@ -50,6 +50,7 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <stdlib.h>
+#include <compiler.h>
 
 /** These are standard values for the known compression
     alogrithms that coreboot knows about for stages and
@@ -97,7 +98,7 @@ struct cbfs_header {
 	uint32_t offset;
 	uint32_t architecture;
 	uint32_t pad[1];
-} __attribute__((packed));
+} __packed;
 
 /* this used to be flexible, but wasn't ever set to something different. */
 #define CBFS_ALIGNMENT 64
@@ -134,7 +135,7 @@ struct cbfs_file {
 	uint32_t attributes_offset;
 	uint32_t offset;
 	char filename[];
-} __attribute__((packed));
+} __packed;
 
 /* Depending on how the header was initialized, it may be backed with 0x00 or
  * 0xff. Support both. */
@@ -151,7 +152,7 @@ struct cbfs_file_attribute {
 	/* len covers the whole structure, incl. tag and len */
 	uint32_t len;
 	uint8_t data[0];
-} __attribute__((packed));
+} __packed;
 
 struct cbfs_file_attr_compression {
 	uint32_t tag;
@@ -159,7 +160,7 @@ struct cbfs_file_attr_compression {
 	/* whole file compression format. 0 if no compression. */
 	uint32_t compression;
 	uint32_t decompressed_size;
-} __attribute__((packed));
+} __packed;
 
 struct cbfs_file_attr_hash {
 	uint32_t tag;
@@ -167,7 +168,7 @@ struct cbfs_file_attr_hash {
 	uint32_t hash_type;
 	/* hash_data is len - sizeof(struct) bytes */
 	uint8_t  hash_data[];
-} __PACKED;
+} __packed;
 
 /*** Component sub-headers ***/
 
@@ -183,7 +184,7 @@ struct cbfs_stage {
 	uint64_t load;   /** Where to load in memory */
 	uint32_t len;          /** length of data to load */
 	uint32_t memlen;	   /** total length of object in memory */
-} __attribute__((packed));
+} __packed;
 
 /** this is the sub-header for payload components.  Payloads
     are loaded by coreboot at the end of the boot process */
@@ -195,7 +196,7 @@ struct cbfs_payload_segment {
 	uint64_t load_addr;
 	uint32_t len;
 	uint32_t mem_len;
-} __attribute__((packed));
+} __packed;
 
 struct cbfs_payload {
 	struct cbfs_payload_segment segments;
@@ -210,7 +211,7 @@ struct cbfs_payload {
 struct cbfs_optionrom {
 	uint32_t compression;
 	uint32_t len;
-} __attribute__((packed));
+} __packed;
 
 #define CBFS_MEDIA_INVALID_MAP_ADDRESS	((void*)(0xffffffff))
 #define CBFS_DEFAULT_MEDIA		((void*)(0x0))

payloads/libpayload/include/compiler.h

@@ -0,0 +1,28 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __COMPILER_H__
+#define __COMPILER_H__
+
+#if defined(__WIN32) || defined(__WIN64)
+#define __packed __attribute__((gcc_struct, packed))
+#else
+#define __packed __attribute__((packed))
+#endif
+
+#define __aligned(x) __attribute__((aligned(x)))
+#define __always_unused __attribute__((unused))
+
+#endif

payloads/libpayload/include/fmap_serialized.h

@@ -56,7 +56,7 @@ struct fmap_area {
 	uint32_t size;                  /* size in bytes */
 	uint8_t  name[FMAP_STRLEN];     /* descriptive name */
 	uint16_t flags;                 /* flags for this area */
-}  __attribute__((packed));
+}  __packed;
 
 struct fmap {
 	uint8_t  signature[8];		/* "__FMAP__" (0x5F5F464D41505F5F) */
@@ -68,6 +68,6 @@ struct fmap {
 	uint16_t nareas;		/* number of areas described by
 					   fmap_areas[] below */
 	struct fmap_area areas[];
-} __attribute__((packed));
+} __packed;
 
 #endif	/* FLASHMAP_SERIALIZED_H__ */

payloads/libpayload/include/libpayload.h

@@ -44,6 +44,7 @@
 #define _LIBPAYLOAD_H
 
 #include <libpayload-config.h>
+#include <compiler.h>
 #include <cbgfx.h>
 #include <ctype.h>
 #include <die.h>
@@ -361,7 +362,7 @@ long long int llabs(long long int j);
 u8 bin2hex(u8 b);
 u8 hex2bin(u8 h);
 void hexdump(const void *memory, size_t length);
-void fatal(const char *msg) __attribute__ ((noreturn));
+void fatal(const char *msg) __attribute__((noreturn));
 
 /* Count Leading Zeroes: clz(0) == 32, clz(0xf) == 28, clz(1 << 31) == 0 */
 static inline int clz(u32 x) { return x ? __builtin_clz(x) : sizeof(x) * 8; }

payloads/libpayload/include/mips/arch/exception.h

@@ -70,7 +70,7 @@ struct exception_state_t {
 		u32 ra;
 	} regs;
 	u32 vector;
-} __attribute__((packed));
+} __packed;
 
 extern struct exception_state_t *exception_state_ptr;
 extern u32 *exception_stack_end;

payloads/libpayload/include/stdio.h

@@ -43,13 +43,13 @@ extern FILE *stdout, *stdin, *stderr;
  * @{
  */
 int snprintf(char *str, size_t size, const char *fmt, ...)
-	__attribute__ ((format (printf, 3, 4)));
+	__attribute__((format (printf, 3, 4)));
 int sprintf(char *str, const char *fmt, ...)
-	__attribute__ ((format (printf, 2, 3)));
+	__attribute__((format (printf, 2, 3)));
 int printf(const char *fmt, ...)
-	__attribute__ ((format (printf, 1, 2)));
+	__attribute__((format (printf, 1, 2)));
 int fprintf(FILE *file, const char *fmt, ...)
-	__attribute__ ((format (printf, 2, 3)));
+	__attribute__((format (printf, 2, 3)));
 /** @} */
 
 void perror(const char *s);

payloads/libpayload/include/stdlib.h

@@ -214,8 +214,8 @@ void srand(unsigned int seed);
 /**
  * Stop execution and halt the processor (this function does not return).
  */
-void halt(void) __attribute__ ((noreturn));
-void exit(int status) __attribute__ ((noreturn));
+void halt(void) __attribute__((noreturn));
+void exit(int status) __attribute__((noreturn));
 #define abort() halt()    /**< Alias for the halt() function */
 #if IS_ENABLED(CONFIG_LP_REMOTEGDB)
 /* Override abort()/halt() to trap into GDB if it is enabled. */

payloads/libpayload/include/usb/usb.h

@@ -83,13 +83,13 @@ typedef struct {
 			unsigned long ttThinkTime:2;
 			unsigned long arePortIndicatorsSupported:1;
 			unsigned long:8;
-		} __attribute__ ((packed));
+		} __packed;
 		unsigned short wHubCharacteristics;
-	} __attribute__ ((packed));
+	} __packed;
 	unsigned char bPowerOn2PwrGood;
 	unsigned char bHubContrCurrent;
 	char DeviceRemovable[];
-} __attribute__ ((packed)) hub_descriptor_t;
+} __packed hub_descriptor_t;
 
 typedef struct {
 	unsigned char bLength;
@@ -106,7 +106,7 @@ typedef struct {
 	unsigned char iProduct;
 	unsigned char iSerialNumber;
 	unsigned char bNumConfigurations;
-} __attribute__ ((packed)) device_descriptor_t;
+} __packed device_descriptor_t;
 
 typedef struct {
 	unsigned char bLength;
@@ -117,7 +117,7 @@ typedef struct {
 	unsigned char iConfiguration;
 	unsigned char bmAttributes;
 	unsigned char bMaxPower;
-} __attribute__ ((packed)) configuration_descriptor_t;
+} __packed configuration_descriptor_t;
 
 typedef struct {
 	unsigned char bLength;
@@ -129,7 +129,7 @@ typedef struct {
 	unsigned char bInterfaceSubClass;
 	unsigned char bInterfaceProtocol;
 	unsigned char iInterface;
-} __attribute__ ((packed)) interface_descriptor_t;
+} __packed interface_descriptor_t;
 
 typedef struct {
 	unsigned char bLength;
@@ -138,7 +138,7 @@ typedef struct {
 	unsigned char bmAttributes;
 	unsigned short wMaxPacketSize;
 	unsigned char bInterval;
-} __attribute__ ((packed)) endpoint_descriptor_t;
+} __packed endpoint_descriptor_t;
 
 typedef struct {
 	unsigned char bLength;
@@ -148,7 +148,7 @@ typedef struct {
 	unsigned char bNumDescriptors;
 	unsigned char bReportDescriptorType;
 	unsigned short wReportDescriptorLength;
-} __attribute__ ((packed)) hid_descriptor_t;
+} __packed hid_descriptor_t;
 
 typedef struct {
 	union {
@@ -156,14 +156,14 @@ typedef struct {
 			dev_req_recp req_recp:5;
 			dev_req_type req_type:2;
 			dev_req_dir data_dir:1;
-		} __attribute__ ((packed));
+		} __packed;
 		unsigned char bmRequestType;
-	} __attribute__ ((packed));
+	} __packed;
 	unsigned char bRequest;
 	unsigned short wValue;
 	unsigned short wIndex;
 	unsigned short wLength;
-} __attribute__ ((packed)) dev_req_t;
+} __packed dev_req_t;
 
 struct usbdev_hc;
 typedef struct usbdev_hc hci_t;

payloads/libpayload/include/x86/arch/exception.h

@@ -58,7 +58,7 @@ struct exception_state
 	} regs;
 	u32 error_code;
 	u32 vector;
-} __attribute__((packed));
+} __packed;
 extern struct exception_state *exception_state;
 
 extern u32 exception_stack[];