x32 port (diff against vanilla x86_64)

arch/x32/bits/alltypes.h.in

@@ -1,12 +1,12 @@
-#define _Addr long
-#define _Int64 long
-#define _Reg long
+#define _Addr int
+#define _Int64 long long
+#define _Reg long long
 
 TYPEDEF __builtin_va_list va_list;
 TYPEDEF __builtin_va_list __isoc_va_list;
 
 #ifndef __cplusplus
-TYPEDEF int wchar_t;
+TYPEDEF long wchar_t;
 #endif
 TYPEDEF unsigned wint_t;
 
@@ -18,8 +18,8 @@ TYPEDEF float float_t;
 TYPEDEF double double_t;
 #endif
 
-TYPEDEF long time_t;
-TYPEDEF long suseconds_t;
+TYPEDEF long long time_t;
+TYPEDEF long long suseconds_t;
 
 TYPEDEF struct { union { int __i[14]; unsigned long __s[7]; } __u; } pthread_attr_t;
 TYPEDEF struct { union { int __i[10]; void *__p[5]; } __u; } pthread_mutex_t;

arch/x32/bits/ipc.h

@@ -7,8 +7,8 @@ struct ipc_perm
 	gid_t cgid;
 	mode_t mode;
 	int __ipc_perm_seq;
-	long __pad1;
-	long __pad2;
+	long long __pad1;
+	long long __pad2;
 };
 
 #define IPC_64 0

arch/x32/bits/limits.h

@@ -1,8 +1,8 @@
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 #define PAGE_SIZE 4096
-#define LONG_BIT 64
+#define LONG_BIT 32
 #endif
 
-#define LONG_MAX  0x7fffffffffffffffL
+#define LONG_MAX  0x7fffffffL
 #define LLONG_MAX  0x7fffffffffffffffLL

arch/x32/bits/msg.h

@@ -5,9 +5,12 @@ struct msqid_ds
 	time_t msg_rtime;
 	time_t msg_ctime;
 	unsigned long msg_cbytes;
+	long __unused1;
 	msgqnum_t msg_qnum;
+	long __unused2;
 	msglen_t msg_qbytes;
+	long __unused3;
 	pid_t msg_lspid;
 	pid_t msg_lrpid;
-	unsigned long __unused[2];
+	unsigned long long __unused[2];
 };

arch/x32/bits/reg.h

@@ -1,5 +1,5 @@
 #undef __WORDSIZE
-#define __WORDSIZE 64
+#define __WORDSIZE 32
 #define R15    0
 #define R14    1
 #define R13    2

arch/x32/bits/setjmp.h

@@ -1 +1 @@
-typedef unsigned long __jmp_buf[8];
+typedef unsigned long long __jmp_buf[8];

arch/x32/bits/shm.h

@@ -10,16 +10,24 @@ struct shmid_ds
 	pid_t shm_cpid;
 	pid_t shm_lpid;
 	unsigned long shm_nattch;
-	unsigned long __pad1;
-	unsigned long __pad2;
+	unsigned long __pad0;
+	unsigned long long __pad1;
+	unsigned long long __pad2;
 };
 
 struct shminfo {
-	unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
+	unsigned long shmmax, __pad0, shmmin, __pad1, shmmni, __pad2,
+	              shmseg, __pad3, shmall, __pad4;
+	unsigned long long __unused[4];
 };
 
 struct shm_info {
 	int __used_ids;
-	unsigned long shm_tot, shm_rss, shm_swp;
-	unsigned long __swap_attempts, __swap_successes;
-};
+	int __pad_ids;
+	unsigned long shm_tot, __pad0, shm_rss, __pad1, shm_swp, __pad2;
+	unsigned long __swap_attempts, __pad3, __swap_successes, __pad4;
+}
+#ifdef __GNUC__
+__attribute__((__aligned__(8)))
+#endif
+;

arch/x32/bits/signal.h

@@ -42,12 +42,12 @@ typedef struct _fpstate {
 	unsigned padding[24];
 } *fpregset_t;
 struct sigcontext {
-	unsigned long r8, r9, r10, r11, r12, r13, r14, r15;
-	unsigned long rdi, rsi, rbp, rbx, rdx, rax, rcx, rsp, rip, eflags;
+	unsigned long long r8, r9, r10, r11, r12, r13, r14, r15;
+	unsigned long long rdi, rsi, rbp, rbx, rdx, rax, rcx, rsp, rip, eflags;
 	unsigned short cs, gs, fs, __pad0;
-	unsigned long err, trapno, oldmask, cr2;
+	unsigned long long err, trapno, oldmask, cr2;
 	struct _fpstate *fpstate;
-	unsigned long __reserved1[8];
+	unsigned long long __reserved1[8];
 };
 typedef struct {
 	gregset_t gregs;
@@ -56,7 +56,7 @@ typedef struct {
 } mcontext_t;
 #else
 typedef struct {
-	unsigned long __space[32];
+	unsigned long long __space[32];
 } mcontext_t;
 #endif
 
@@ -66,7 +66,7 @@ typedef struct __ucontext {
 	stack_t uc_stack;
 	mcontext_t uc_mcontext;
 	sigset_t uc_sigmask;
-	unsigned long __fpregs_mem[64];
+	unsigned long long __fpregs_mem[64];
 } ucontext_t;
 
 #define SA_NOCLDSTOP  1

arch/x32/bits/stat.h

@@ -18,5 +18,5 @@ struct stat {
 	struct timespec st_atim;
 	struct timespec st_mtim;
 	struct timespec st_ctim;
-	long __unused[3];
+	long long __unused[3];
 };

arch/x32/bits/stdint.h

@@ -12,9 +12,9 @@ typedef uint32_t uint_fast32_t;
 #define UINT_FAST16_MAX UINT32_MAX
 #define UINT_FAST32_MAX UINT32_MAX
 
-#define INTPTR_MIN      INT64_MIN
-#define INTPTR_MAX      INT64_MAX
-#define UINTPTR_MAX     UINT64_MAX
-#define PTRDIFF_MIN     INT64_MIN
-#define PTRDIFF_MAX     INT64_MAX
-#define SIZE_MAX        UINT64_MAX
+#define INTPTR_MIN      INT32_MIN
+#define INTPTR_MAX      INT32_MAX
+#define UINTPTR_MAX     UINT32_MAX
+#define PTRDIFF_MIN     INT32_MIN
+#define PTRDIFF_MAX     INT32_MAX
+#define SIZE_MAX        UINT32_MAX