deduplicate TP_ADJ logic out of each arch, replace with TP_OFFSET

the only part of TP_ADJ that was not uniquely determined by
TLS_ABOVE_TP was the 0x7000 adjustment used mainly on mips and powerpc
variants.

arch/aarch64/pthread_arch.h

@@ -7,6 +7,5 @@ static inline struct pthread *__pthread_self()
 
 #define TLS_ABOVE_TP
 #define GAP_ABOVE_TP 16
-#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread))
 
 #define MC_PC pc

arch/arm/pthread_arch.h

@@ -28,6 +28,5 @@ static inline pthread_t __pthread_self()
 
 #define TLS_ABOVE_TP
 #define GAP_ABOVE_TP 8
-#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread))
 
 #define MC_PC arm_pc

arch/i386/pthread_arch.h

@@ -5,6 +5,4 @@ static inline struct pthread *__pthread_self()
 	return self;
 }
 
-#define TP_ADJ(p) (p)
-
 #define MC_PC gregs[REG_EIP]

arch/m68k/pthread_arch.h

@@ -6,8 +6,8 @@ static inline struct pthread *__pthread_self()
 
 #define TLS_ABOVE_TP
 #define GAP_ABOVE_TP 0
-#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) + 0x7000)
 
+#define TP_OFFSET 0x7000
 #define DTP_OFFSET 0x8000
 
 #define MC_PC gregs[R_PC]

arch/microblaze/pthread_arch.h

@@ -5,6 +5,4 @@ static inline struct pthread *__pthread_self()
 	return self;
 }
 
-#define TP_ADJ(p) (p)
-
 #define MC_PC regs.pc

arch/mips/pthread_arch.h

@@ -12,8 +12,8 @@ static inline struct pthread *__pthread_self()
 
 #define TLS_ABOVE_TP
 #define GAP_ABOVE_TP 0
-#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) + 0x7000)
 
+#define TP_OFFSET 0x7000
 #define DTP_OFFSET 0x8000
 
 #define MC_PC pc

arch/mips64/pthread_arch.h

@@ -12,8 +12,8 @@ static inline struct pthread *__pthread_self()
 
 #define TLS_ABOVE_TP
 #define GAP_ABOVE_TP 0
-#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) + 0x7000)
 
+#define TP_OFFSET 0x7000
 #define DTP_OFFSET 0x8000
 
 #define MC_PC pc

arch/mipsn32/pthread_arch.h

@@ -12,8 +12,8 @@ static inline struct pthread *__pthread_self()
 
 #define TLS_ABOVE_TP
 #define GAP_ABOVE_TP 0
-#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) + 0x7000)
 
+#define TP_OFFSET 0x7000
 #define DTP_OFFSET 0x8000
 
 #define MC_PC pc

arch/or1k/pthread_arch.h

@@ -13,6 +13,5 @@ static inline struct pthread *__pthread_self()
 
 #define TLS_ABOVE_TP
 #define GAP_ABOVE_TP 0
-#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread))
 
 #define MC_PC regs.pc

arch/powerpc/pthread_arch.h

@@ -7,8 +7,8 @@ static inline struct pthread *__pthread_self()
                         
 #define TLS_ABOVE_TP
 #define GAP_ABOVE_TP 0
-#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) + 0x7000)
 
+#define TP_OFFSET 0x7000
 #define DTP_OFFSET 0x8000
 
 // the kernel calls the ip "nip", it's the first saved value after the 32

arch/powerpc64/pthread_arch.h

@@ -7,8 +7,8 @@ static inline struct pthread *__pthread_self()
 
 #define TLS_ABOVE_TP
 #define GAP_ABOVE_TP 0
-#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) + 0x7000)
 
+#define TP_OFFSET 0x7000
 #define DTP_OFFSET 0x8000
 
 // the kernel calls the ip "nip", it's the first saved value after the 32

arch/riscv64/pthread_arch.h

@@ -7,7 +7,6 @@ static inline struct pthread *__pthread_self()
 
 #define TLS_ABOVE_TP
 #define GAP_ABOVE_TP 0
-#define TP_ADJ(p) ((char *)p + sizeof(struct pthread))
 
 #define DTP_OFFSET 0x800
 

arch/s390x/pthread_arch.h

@@ -9,6 +9,4 @@ static inline struct pthread *__pthread_self()
 	return self;
 }
 
-#define TP_ADJ(p) (p)
-
 #define MC_PC psw.addr

arch/sh/pthread_arch.h

@@ -7,7 +7,6 @@ static inline struct pthread *__pthread_self()
 
 #define TLS_ABOVE_TP
 #define GAP_ABOVE_TP 8
-#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread))
 
 #define MC_PC sc_pc
 

arch/x32/pthread_arch.h

@@ -5,8 +5,6 @@ static inline struct pthread *__pthread_self()
 	return self;
 }
 
-#define TP_ADJ(p) (p)
-
 #define MC_PC gregs[REG_RIP]
 
 #define CANARY canary2

arch/x86_64/pthread_arch.h

@@ -5,6 +5,4 @@ static inline struct pthread *__pthread_self()
 	return self;
 }
 
-#define TP_ADJ(p) (p)
-
 #define MC_PC gregs[REG_RIP]

src/internal/pthread_impl.h

@@ -105,10 +105,20 @@ struct __timer {
 #define CANARY canary
 #endif
 
+#ifndef TP_OFFSET
+#define TP_OFFSET 0
+#endif
+
 #ifndef DTP_OFFSET
 #define DTP_OFFSET 0
 #endif
 
+#ifdef TLS_ABOVE_TP
+#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) + TP_OFFSET)
+#else
+#define TP_ADJ(p) (p)
+#endif
+
 #ifndef tls_mod_off_t
 #define tls_mod_off_t size_t
 #endif