Avoid -Wnarrowing warnings in struct tramp_frame instances

This avoids -Wnarrowing warnings in struct tramp_frame instances,
replacing uses of -1 with a new ULONGEST_MAX.  It also redefined
TRAMP_SENTINEL_INSN to avoid the same warning.

gdb/ChangeLog
2018-08-27  Tom Tromey  <tom@tromey.com>

	* tramp-frame.h (TRAMP_SENTINEL_INSN): Redefine.
	* tilegx-linux-tdep.c (tilegx_linux_rt_sigframe): Use
	ULONGEST_MAX.
	* tic6x-linux-tdep.c (tic6x_linux_rt_sigreturn_tramp_frame): Use
	ULONGEST_MAX.
	* sparc64-linux-tdep.c (sparc64_linux_rt_sigframe): Use
	ULONGEST_MAX.
	* sparc-linux-tdep.c (sparc32_linux_sigframe)
	(sparc32_linux_rt_sigframe): Use ULONGEST_MAX.
	* ppc-nbsd-tdep.c (ppcnbsd_sigtramp, ppcnbsd2_sigtramp): Use
	ULONGEST_MAX.
	* ppc-linux-tdep.c (ppc32_linux_sigaction_tramp_frame)
	(ppc64_linux_sigaction_tramp_frame)
	(ppc32_linux_sighandler_tramp_frame)
	(ppc64_linux_sighandler_tramp_frame): Use ULONGEST_MAX.
	* nios2-linux-tdep.c (nios2_r1_linux_rt_sigreturn_tramp_frame)
	(nios2_r2_linux_rt_sigreturn_tramp_frame): Use ULONGEST_MAX.
	* mn10300-linux-tdep.c (am33_linux_sigframe)
	(am33_linux_rt_sigframe): Use ULONGEST_MAX.
	* mips64-obsd-tdep.c (mips64obsd_sigframe): Use ULONGEST_MAX.
	* mips-linux-tdep.c (mips_linux_o32_sigframe)
	(mips_linux_o32_rt_sigframe, mips_linux_n32_rt_sigframe)
	(mips_linux_n64_rt_sigframe, micromips_linux_o32_sigframe)
	(micromips_linux_o32_rt_sigframe, micromips_linux_n32_rt_sigframe)
	(micromips_linux_n64_rt_sigframe): Use ULONGEST_MAX.
	* mips-fbsd-tdep.c (mips_fbsd_sigframe, mipsn32_fbsd_sigframe)
	(mips64_fbsd_sigframe): Use ULONGEST_MAX.
	* microblaze-linux-tdep.c
	(microblaze_linux_sighandler_tramp_frame): Use ULONGEST_MAX.
	* i386-nbsd-tdep.c (i386nbsd_sigtramp_sc16, i386nbsd_sigtramp_sc2)
	(i386nbsd_sigtramp_si2, i386nbsd_sigtramp_si31)
	(i386nbsd_sigtramp_si4): Use ULONGEST_MAX.
	* hppa-nbsd-tdep.c (hppanbsd_sigtramp_si4): Use ULONGEST_MAX.
	* common/common-types.h (ULONGEST_MAX): New define.
	(CORE_ADDR_MAX): Fix formatting.
	* bfin-linux-tdep.c (bfin_linux_sigframe): Use ULONGEST_MAX.
	* arm-obsd-tdep.c (armobsd_sigframe): Use ULONGEST_MAX.
	* arm-linux-tdep.c (arm_linux_sigreturn_tramp_frame)
	(arm_linux_rt_sigreturn_tramp_frame)
	(arm_eabi_linux_sigreturn_tramp_frame)
	(arm_eabi_linux_rt_sigreturn_tramp_frame)
	(thumb2_eabi_linux_sigreturn_tramp_frame)
	(thumb2_eabi_linux_rt_sigreturn_tramp_frame)
	(arm_linux_restart_syscall_tramp_frame)
	(arm_kernel_linux_restart_syscall_tramp_frame): Use ULONGEST_MAX.
	* arm-fbsd-tdep.c (arm_fbsd_sigframe): Use ULONGEST_MAX.
	* aarch64-linux-tdep.c (aarch64_linux_rt_sigframe): Use
	ULONGEST_MAX.
	* aarch64-fbsd-tdep.c (aarch64_fbsd_sigframe): Use ULONGEST_MAX.

23 files changed, 400 insertions, 240 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 1d16861..8d3bf0e 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,57 @@
 2018-08-27  Tom Tromey  <tom@tromey.com>
 
+	* tramp-frame.h (TRAMP_SENTINEL_INSN): Redefine.
+	* tilegx-linux-tdep.c (tilegx_linux_rt_sigframe): Use
+	ULONGEST_MAX.
+	* tic6x-linux-tdep.c (tic6x_linux_rt_sigreturn_tramp_frame): Use
+	ULONGEST_MAX.
+	* sparc64-linux-tdep.c (sparc64_linux_rt_sigframe): Use
+	ULONGEST_MAX.
+	* sparc-linux-tdep.c (sparc32_linux_sigframe)
+	(sparc32_linux_rt_sigframe): Use ULONGEST_MAX.
+	* ppc-nbsd-tdep.c (ppcnbsd_sigtramp, ppcnbsd2_sigtramp): Use
+	ULONGEST_MAX.
+	* ppc-linux-tdep.c (ppc32_linux_sigaction_tramp_frame)
+	(ppc64_linux_sigaction_tramp_frame)
+	(ppc32_linux_sighandler_tramp_frame)
+	(ppc64_linux_sighandler_tramp_frame): Use ULONGEST_MAX.
+	* nios2-linux-tdep.c (nios2_r1_linux_rt_sigreturn_tramp_frame)
+	(nios2_r2_linux_rt_sigreturn_tramp_frame): Use ULONGEST_MAX.
+	* mn10300-linux-tdep.c (am33_linux_sigframe)
+	(am33_linux_rt_sigframe): Use ULONGEST_MAX.
+	* mips64-obsd-tdep.c (mips64obsd_sigframe): Use ULONGEST_MAX.
+	* mips-linux-tdep.c (mips_linux_o32_sigframe)
+	(mips_linux_o32_rt_sigframe, mips_linux_n32_rt_sigframe)
+	(mips_linux_n64_rt_sigframe, micromips_linux_o32_sigframe)
+	(micromips_linux_o32_rt_sigframe, micromips_linux_n32_rt_sigframe)
+	(micromips_linux_n64_rt_sigframe): Use ULONGEST_MAX.
+	* mips-fbsd-tdep.c (mips_fbsd_sigframe, mipsn32_fbsd_sigframe)
+	(mips64_fbsd_sigframe): Use ULONGEST_MAX.
+	* microblaze-linux-tdep.c
+	(microblaze_linux_sighandler_tramp_frame): Use ULONGEST_MAX.
+	* i386-nbsd-tdep.c (i386nbsd_sigtramp_sc16, i386nbsd_sigtramp_sc2)
+	(i386nbsd_sigtramp_si2, i386nbsd_sigtramp_si31)
+	(i386nbsd_sigtramp_si4): Use ULONGEST_MAX.
+	* hppa-nbsd-tdep.c (hppanbsd_sigtramp_si4): Use ULONGEST_MAX.
+	* common/common-types.h (ULONGEST_MAX): New define.
+	(CORE_ADDR_MAX): Fix formatting.
+	* bfin-linux-tdep.c (bfin_linux_sigframe): Use ULONGEST_MAX.
+	* arm-obsd-tdep.c (armobsd_sigframe): Use ULONGEST_MAX.
+	* arm-linux-tdep.c (arm_linux_sigreturn_tramp_frame)
+	(arm_linux_rt_sigreturn_tramp_frame)
+	(arm_eabi_linux_sigreturn_tramp_frame)
+	(arm_eabi_linux_rt_sigreturn_tramp_frame)
+	(thumb2_eabi_linux_sigreturn_tramp_frame)
+	(thumb2_eabi_linux_rt_sigreturn_tramp_frame)
+	(arm_linux_restart_syscall_tramp_frame)
+	(arm_kernel_linux_restart_syscall_tramp_frame): Use ULONGEST_MAX.
+	* arm-fbsd-tdep.c (arm_fbsd_sigframe): Use ULONGEST_MAX.
+	* aarch64-linux-tdep.c (aarch64_linux_rt_sigframe): Use
+	ULONGEST_MAX.
+	* aarch64-fbsd-tdep.c (aarch64_fbsd_sigframe): Use ULONGEST_MAX.
+
+2018-08-27  Tom Tromey  <tom@tromey.com>
+
 	* rs6000-tdep.c (ppc_deal_with_atomic_sequence): Use
 	CORE_ADDR_MAX.
 	* mips-tdep.c (mips_deal_with_atomic_sequence)
diff --git a/gdb/aarch64-fbsd-tdep.c b/gdb/aarch64-fbsd-tdep.c
index 9f8b136..8fcabdf 100644
--- a/gdb/aarch64-fbsd-tdep.c
+++ b/gdb/aarch64-fbsd-tdep.c
@@ -118,11 +118,11 @@ static const struct tramp_frame aarch64_fbsd_sigframe =
   SIGTRAMP_FRAME,
   4,
   {
-    {0x910003e0, -1},		/* mov  x0, sp  */
-    {0x91014000, -1},		/* add  x0, x0, #SF_UC  */
-    {0xd2803428, -1},		/* mov  x8, #SYS_sigreturn  */
-    {0xd4000001, -1},		/* svc  0x0  */
-    {TRAMP_SENTINEL_INSN, -1}
+    {0x910003e0, ULONGEST_MAX},		/* mov  x0, sp  */
+    {0x91014000, ULONGEST_MAX},		/* add  x0, x0, #SF_UC  */
+    {0xd2803428, ULONGEST_MAX},		/* mov  x8, #SYS_sigreturn  */
+    {0xd4000001, ULONGEST_MAX},		/* svc  0x0  */
+    {TRAMP_SENTINEL_INSN, ULONGEST_MAX}
   },
   aarch64_fbsd_sigframe_init
 };
diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c
index 389f4f4..0d46acd 100644
--- a/gdb/aarch64-linux-tdep.c
+++ b/gdb/aarch64-linux-tdep.c
@@ -176,12 +176,12 @@ static const struct tramp_frame aarch64_linux_rt_sigframe =
   {
     /* movz x8, 0x8b (S=1,o=10,h=0,i=0x8b,r=8)
        Soo1 0010 1hhi iiii iiii iiii iiir rrrr  */
-    {0xd2801168, -1},
+    {0xd2801168, ULONGEST_MAX},
 
     /* svc  0x0      (o=0, l=1)
        1101 0100 oooi iiii iiii iiii iii0 00ll  */
-    {0xd4000001, -1},
-    {TRAMP_SENTINEL_INSN, -1}
+    {0xd4000001, ULONGEST_MAX},
+    {TRAMP_SENTINEL_INSN, ULONGEST_MAX}
   },
   aarch64_linux_sigframe_init
 };
diff --git a/gdb/arm-fbsd-tdep.c b/gdb/arm-fbsd-tdep.c
index d2af21b..9db3814 100644
--- a/gdb/arm-fbsd-tdep.c
+++ b/gdb/arm-fbsd-tdep.c
@@ -123,11 +123,11 @@ static const struct tramp_frame arm_fbsd_sigframe =
   SIGTRAMP_FRAME,
   4,
   {
-    {0xe1a0000d, -1},		/* mov  r0, sp  */
-    {0xe2800040, -1},		/* add  r0, r0, #SIGF_UC  */
-    {0xe59f700c, -1},		/* ldr  r7, [pc, #12]  */
-    {0xef0001a1, -1},		/* swi  SYS_sigreturn  */
-    {TRAMP_SENTINEL_INSN, -1}
+    {0xe1a0000d, ULONGEST_MAX},		/* mov  r0, sp  */
+    {0xe2800040, ULONGEST_MAX},		/* add  r0, r0, #SIGF_UC  */
+    {0xe59f700c, ULONGEST_MAX},		/* ldr  r7, [pc, #12]  */
+    {0xef0001a1, ULONGEST_MAX},		/* swi  SYS_sigreturn  */
+    {TRAMP_SENTINEL_INSN, ULONGEST_MAX}
   },
   arm_fbsd_sigframe_init
 };
diff --git a/gdb/arm-linux-tdep.c b/gdb/arm-linux-tdep.c
index 4c5a4bc..78c4c80 100644
--- a/gdb/arm-linux-tdep.c
+++ b/gdb/arm-linux-tdep.c
@@ -385,7 +385,7 @@ static struct tramp_frame arm_linux_sigreturn_tramp_frame = {
   SIGTRAMP_FRAME,
   4,
   {
-    { ARM_LINUX_SIGRETURN_INSTR, -1 },
+    { ARM_LINUX_SIGRETURN_INSTR, ULONGEST_MAX },
     { TRAMP_SENTINEL_INSN }
   },
   arm_linux_sigreturn_init
@@ -395,7 +395,7 @@ static struct tramp_frame arm_linux_rt_sigreturn_tramp_frame = {
   SIGTRAMP_FRAME,
   4,
   {
-    { ARM_LINUX_RT_SIGRETURN_INSTR, -1 },
+    { ARM_LINUX_RT_SIGRETURN_INSTR, ULONGEST_MAX },
     { TRAMP_SENTINEL_INSN }
   },
   arm_linux_rt_sigreturn_init
@@ -405,8 +405,8 @@ static struct tramp_frame arm_eabi_linux_sigreturn_tramp_frame = {
   SIGTRAMP_FRAME,
   4,
   {
-    { ARM_SET_R7_SIGRETURN, -1 },
-    { ARM_EABI_SYSCALL, -1 },
+    { ARM_SET_R7_SIGRETURN, ULONGEST_MAX },
+    { ARM_EABI_SYSCALL, ULONGEST_MAX },
     { TRAMP_SENTINEL_INSN }
   },
   arm_linux_sigreturn_init
@@ -416,8 +416,8 @@ static struct tramp_frame arm_eabi_linux_rt_sigreturn_tramp_frame = {
   SIGTRAMP_FRAME,
   4,
   {
-    { ARM_SET_R7_RT_SIGRETURN, -1 },
-    { ARM_EABI_SYSCALL, -1 },
+    { ARM_SET_R7_RT_SIGRETURN, ULONGEST_MAX },
+    { ARM_EABI_SYSCALL, ULONGEST_MAX },
     { TRAMP_SENTINEL_INSN }
   },
   arm_linux_rt_sigreturn_init
@@ -427,9 +427,9 @@ static struct tramp_frame thumb2_eabi_linux_sigreturn_tramp_frame = {
   SIGTRAMP_FRAME,
   2,
   {
-    { THUMB2_SET_R7_SIGRETURN1, -1 },
-    { THUMB2_SET_R7_SIGRETURN2, -1 },
-    { THUMB2_EABI_SYSCALL, -1 },
+    { THUMB2_SET_R7_SIGRETURN1, ULONGEST_MAX },
+    { THUMB2_SET_R7_SIGRETURN2, ULONGEST_MAX },
+    { THUMB2_EABI_SYSCALL, ULONGEST_MAX },
     { TRAMP_SENTINEL_INSN }
   },
   arm_linux_sigreturn_init
@@ -439,9 +439,9 @@ static struct tramp_frame thumb2_eabi_linux_rt_sigreturn_tramp_frame = {
   SIGTRAMP_FRAME,
   2,
   {
-    { THUMB2_SET_R7_RT_SIGRETURN1, -1 },
-    { THUMB2_SET_R7_RT_SIGRETURN2, -1 },
-    { THUMB2_EABI_SYSCALL, -1 },
+    { THUMB2_SET_R7_RT_SIGRETURN1, ULONGEST_MAX },
+    { THUMB2_SET_R7_RT_SIGRETURN2, ULONGEST_MAX },
+    { THUMB2_EABI_SYSCALL, ULONGEST_MAX },
     { TRAMP_SENTINEL_INSN }
   },
   arm_linux_rt_sigreturn_init
@@ -451,8 +451,8 @@ static struct tramp_frame arm_linux_restart_syscall_tramp_frame = {
   NORMAL_FRAME,
   4,
   {
-    { ARM_OABI_SYSCALL_RESTART_SYSCALL, -1 },
-    { ARM_LDR_PC_SP_12, -1 },
+    { ARM_OABI_SYSCALL_RESTART_SYSCALL, ULONGEST_MAX },
+    { ARM_LDR_PC_SP_12, ULONGEST_MAX },
     { TRAMP_SENTINEL_INSN }
   },
   arm_linux_restart_syscall_init
@@ -462,8 +462,8 @@ static struct tramp_frame arm_kernel_linux_restart_syscall_tramp_frame = {
   NORMAL_FRAME,
   4,
   {
-    { ARM_OABI_SYSCALL_RESTART_SYSCALL, -1 },
-    { ARM_LDR_PC_SP_4, -1 },
+    { ARM_OABI_SYSCALL_RESTART_SYSCALL, ULONGEST_MAX },
+    { ARM_LDR_PC_SP_4, ULONGEST_MAX },
     { TRAMP_SENTINEL_INSN }
   },
   arm_linux_restart_syscall_init
diff --git a/gdb/arm-obsd-tdep.c b/gdb/arm-obsd-tdep.c
index 3db04fc..0a9b47d 100644
--- a/gdb/arm-obsd-tdep.c
+++ b/gdb/arm-obsd-tdep.c
@@ -58,11 +58,11 @@ static const struct tramp_frame armobsd_sigframe =
   SIGTRAMP_FRAME,
   4,
   {
-    { 0xe28d0010, -1 },		/* add     r0, sp, #16 */
-    { 0xef000067, -1 },		/* swi     SYS_sigreturn */
-    { 0xef000001, -1 },		/* swi     SYS_exit */
-    { 0xeafffffc, -1 },		/* b       . - 8 */
-    { TRAMP_SENTINEL_INSN, -1 }
+    { 0xe28d0010, ULONGEST_MAX },		/* add     r0, sp, #16 */
+    { 0xef000067, ULONGEST_MAX },		/* swi     SYS_sigreturn */
+    { 0xef000001, ULONGEST_MAX },		/* swi     SYS_exit */
+    { 0xeafffffc, ULONGEST_MAX },		/* b       . - 8 */
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   armobsd_sigframe_init
 };
diff --git a/gdb/bfin-linux-tdep.c b/gdb/bfin-linux-tdep.c
index e3bbb0f..8b60f9b 100644
--- a/gdb/bfin-linux-tdep.c
+++ b/gdb/bfin-linux-tdep.c
@@ -121,7 +121,7 @@ static const struct tramp_frame bfin_linux_sigframe =
   {
     { 0x00ADE128, 0xffffffff },	/* P0 = __NR_rt_sigreturn; */
     { 0x00A0, 0xffff },		/* EXCPT 0; */
-    { TRAMP_SENTINEL_INSN, -1 },
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX },
   },
   bfin_linux_sigframe_init,
 };
diff --git a/gdb/common/common-types.h b/gdb/common/common-types.h
index 9a32813..7a046da 100644
--- a/gdb/common/common-types.h
+++ b/gdb/common/common-types.h
@@ -56,7 +56,10 @@ typedef unsigned long long ULONGEST;
 #endif /* GDBSERVER */
 
 /* * The largest CORE_ADDR value.  */
-#define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
+#define CORE_ADDR_MAX (~(CORE_ADDR) 0)
+
+/* * The largest ULONGEST value.  */
+#define ULONGEST_MAX (~(ULONGEST) 0)
 
 enum tribool { TRIBOOL_UNKNOWN = -1, TRIBOOL_FALSE = 0, TRIBOOL_TRUE = 1 };
 
diff --git a/gdb/hppa-nbsd-tdep.c b/gdb/hppa-nbsd-tdep.c
index 49bf17b..b99f63c 100644
--- a/gdb/hppa-nbsd-tdep.c
+++ b/gdb/hppa-nbsd-tdep.c
@@ -71,25 +71,25 @@ static const struct tramp_frame hppanbsd_sigtramp_si4 =
   SIGTRAMP_FRAME,
   4,
   {
-    { 0xc7d7c012, -1 },	/*	bb,>=,n %arg3, 30, 1f		*/
-    { 0xd6e01c1e, -1 },	/*	 depwi 0,31,2,%arg3		*/
-    { 0x0ee81093, -1 },	/*	ldw 4(%arg3), %r19		*/
-    { 0x0ee01097, -1 },	/*	ldw 0(%arg3), %arg3		*/
+    { 0xc7d7c012, ULONGEST_MAX },	/*	bb,>=,n %arg3, 30, 1f		*/
+    { 0xd6e01c1e, ULONGEST_MAX },	/*	 depwi 0,31,2,%arg3		*/
+    { 0x0ee81093, ULONGEST_MAX },	/*	ldw 4(%arg3), %r19		*/
+    { 0x0ee01097, ULONGEST_MAX },	/*	ldw 0(%arg3), %arg3		*/
 			/* 1: 					*/
-    { 0xe8404000, -1 },	/* 	blr %r0, %rp			*/
-    { 0xeae0c002, -1 },	/*	bv,n %r0(%arg3)			*/
-    { 0x08000240, -1 },	/*	 nop				*/
-
-    { 0x0803025a, -1 },	/*	copy %r3, %arg0			*/
-    { 0x20200801, -1 },	/*	ldil -40000000, %r1		*/
-    { 0xe420e008, -1 },	/*	be,l 4(%sr7, %r1), %sr0, %r31	*/
-    { 0x34160268, -1 },	/*	 ldi 134, %t1 ; SYS_setcontext	*/
-
-    { 0x081c025a, -1 },	/*	copy ret0, %arg0		*/
-    { 0x20200801, -1 },	/*	ldil -40000000, %r1		*/
-    { 0xe420e008, -1 },	/*	be,l 4(%sr7, %r1), %sr0, %r31	*/
-    { 0x34160002, -1 },	/*	 ldi 1, %t1 ; SYS_exit		*/
-    { TRAMP_SENTINEL_INSN, -1 }
+    { 0xe8404000, ULONGEST_MAX },	/* 	blr %r0, %rp			*/
+    { 0xeae0c002, ULONGEST_MAX },	/*	bv,n %r0(%arg3)			*/
+    { 0x08000240, ULONGEST_MAX },	/*	 nop				*/
+
+    { 0x0803025a, ULONGEST_MAX },	/*	copy %r3, %arg0			*/
+    { 0x20200801, ULONGEST_MAX },	/*	ldil -40000000, %r1		*/
+    { 0xe420e008, ULONGEST_MAX },	/*	be,l 4(%sr7, %r1), %sr0, %r31	*/
+    { 0x34160268, ULONGEST_MAX },	/*	 ldi 134, %t1 ; SYS_setcontext	*/
+
+    { 0x081c025a, ULONGEST_MAX },	/*	copy ret0, %arg0		*/
+    { 0x20200801, ULONGEST_MAX },	/*	ldil -40000000, %r1		*/
+    { 0xe420e008, ULONGEST_MAX },	/*	be,l 4(%sr7, %r1), %sr0, %r31	*/
+    { 0x34160002, ULONGEST_MAX },	/*	 ldi 1, %t1 ; SYS_exit		*/
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   hppanbsd_sigtramp_cache_init
 };
diff --git a/gdb/i386-nbsd-tdep.c b/gdb/i386-nbsd-tdep.c
index 718a743..044760d 100644
--- a/gdb/i386-nbsd-tdep.c
+++ b/gdb/i386-nbsd-tdep.c
@@ -106,19 +106,41 @@ static const struct tramp_frame i386nbsd_sigtramp_sc16 =
   SIGTRAMP_FRAME,
   1,
   {
-    { 0x8d, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x10, -1 },
-			/* leal  0x10(%esp), %eax */
-    { 0x50, -1 },	/* pushl %eax */
-    { 0x50, -1 },	/* pushl %eax */
-    { 0xb8, -1 }, { 0x27, -1 }, {0x01, -1 }, {0x00, -1 }, {0x00, -1 },
-			/* movl  $0x127, %eax		# __sigreturn14 */
-    { 0xcd, -1 }, { 0x80, -1},
-			/* int   $0x80 */
-    { 0xb8, -1 }, { 0x01, -1 }, {0x00, -1 }, {0x00, -1 }, {0x00, -1 },
-			/* movl  $0x1, %eax		# exit */
-    { 0xcd, -1 }, { 0x80, -1},
-			/* int   $0x80 */
-    { TRAMP_SENTINEL_INSN, -1 }
+   /* leal  0x10(%esp), %eax */
+   { 0x8d, ULONGEST_MAX },
+   { 0x44, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x10, ULONGEST_MAX },
+
+   /* pushl %eax */
+   { 0x50, ULONGEST_MAX },
+
+   /* pushl %eax */
+   { 0x50, ULONGEST_MAX },
+
+   /* movl  $0x127, %eax		# __sigreturn14 */
+   { 0xb8, ULONGEST_MAX },
+   { 0x27, ULONGEST_MAX },
+   {0x01, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+
+   /* int   $0x80 */
+   { 0xcd, ULONGEST_MAX },
+   { 0x80, ULONGEST_MAX},
+
+   /* movl  $0x1, %eax		# exit */
+   { 0xb8, ULONGEST_MAX },
+   { 0x01, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+
+   /* int   $0x80 */
+   { 0xcd, ULONGEST_MAX },
+   { 0x80, ULONGEST_MAX},
+
+   { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   i386nbsd_sigtramp_cache_init
 };
@@ -128,21 +150,40 @@ static const struct tramp_frame i386nbsd_sigtramp_sc2 =
   SIGTRAMP_FRAME,
   1,
   {
-    { 0x8d, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x0c, -1 },
-			/* leal  0x0c(%esp), %eax */
-    { 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
-			/* movl  %eax, 0x4(%esp) */
-    { 0xb8, -1 }, { 0x27, -1 }, {0x01, -1 }, {0x00, -1 }, {0x00, -1 },
-			/* movl  $0x127, %eax		# __sigreturn14 */
-    { 0xcd, -1 }, { 0x80, -1},
-			/* int   $0x80 */
-    { 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
-			/* movl  %eax, 0x4(%esp) */
-    { 0xb8, -1 }, { 0x01, -1 }, {0x00, -1 }, {0x00, -1 }, {0x00, -1 },
-			/* movl  $0x1, %eax */
-    { 0xcd, -1 }, { 0x80, -1},
-			/* int   $0x80 */
-    { TRAMP_SENTINEL_INSN, -1 }
+   /* leal  0x0c(%esp), %eax */
+   { 0x8d, ULONGEST_MAX },
+   { 0x44, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x0c, ULONGEST_MAX },
+   /* movl  %eax, 0x4(%esp) */
+   { 0x89, ULONGEST_MAX },
+   { 0x44, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x04, ULONGEST_MAX },
+   /* movl  $0x127, %eax		# __sigreturn14 */
+   { 0xb8, ULONGEST_MAX },
+   { 0x27, ULONGEST_MAX },
+   {0x01, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   /* int   $0x80 */
+   { 0xcd, ULONGEST_MAX },
+   { 0x80, ULONGEST_MAX},
+   /* movl  %eax, 0x4(%esp) */
+   { 0x89, ULONGEST_MAX },
+   { 0x44, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x04, ULONGEST_MAX },
+   /* movl  $0x1, %eax */
+   { 0xb8, ULONGEST_MAX },
+   { 0x01, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   /* int   $0x80 */
+   { 0xcd, ULONGEST_MAX },
+   { 0x80, ULONGEST_MAX},
+   { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   i386nbsd_sigtramp_cache_init
 };
@@ -152,21 +193,40 @@ static const struct tramp_frame i386nbsd_sigtramp_si2 =
   SIGTRAMP_FRAME,
   1,
   {
-    { 0x8b, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x08, -1 },
-			/* movl  8(%esp),%eax */
-    { 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
-			/* movl  %eax, 0x4(%esp) */
-    { 0xb8, -1 }, { 0x34, -1 }, { 0x01, -1 }, { 0x00, -1 }, { 0x00, -1 },
-			/* movl  $0x134, %eax            # setcontext */
-    { 0xcd, -1 }, { 0x80, -1 },
-			/* int   $0x80 */
-    { 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
-			/* movl  %eax, 0x4(%esp) */
-    { 0xb8, -1 }, { 0x01, -1 }, { 0x00, -1 }, { 0x00, -1 }, { 0x00, -1 },
-			/* movl  $0x1, %eax */
-    { 0xcd, -1 }, { 0x80, -1 },
-			/* int   $0x80 */
-    { TRAMP_SENTINEL_INSN, -1 }
+   /* movl  8(%esp),%eax */
+   { 0x8b, ULONGEST_MAX },
+   { 0x44, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x08, ULONGEST_MAX },
+   /* movl  %eax, 0x4(%esp) */
+   { 0x89, ULONGEST_MAX },
+   { 0x44, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x04, ULONGEST_MAX },
+   /* movl  $0x134, %eax            # setcontext */
+   { 0xb8, ULONGEST_MAX },
+   { 0x34, ULONGEST_MAX },
+   { 0x01, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   /* int   $0x80 */
+   { 0xcd, ULONGEST_MAX },
+   { 0x80, ULONGEST_MAX },
+   /* movl  %eax, 0x4(%esp) */
+   { 0x89, ULONGEST_MAX },
+   { 0x44, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x04, ULONGEST_MAX },
+   /* movl  $0x1, %eax */
+   { 0xb8, ULONGEST_MAX },
+   { 0x01, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   /* int   $0x80 */
+   { 0xcd, ULONGEST_MAX },
+   { 0x80, ULONGEST_MAX },
+   { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   i386nbsd_sigtramp_cache_init
 };
@@ -176,22 +236,43 @@ static const struct tramp_frame i386nbsd_sigtramp_si31 =
   SIGTRAMP_FRAME,
   1,
   {
-    { 0x8d, -1 }, { 0x84, -1 }, { 0x24, -1 },
-        { 0x8c, -1 }, { 0x00, -1 }, { 0x00, -1 }, { 0x00, -1 },
-			/* leal  0x8c(%esp), %eax */
-    { 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
-			/* movl  %eax, 0x4(%esp) */
-    { 0xb8, -1 }, { 0x34, -1 }, { 0x01, -1 }, { 0x00, -1 }, { 0x00, -1 },
-			/* movl  $0x134, %eax            # setcontext */
-    { 0xcd, -1 }, { 0x80, -1},
-			/* int   $0x80 */
-    { 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
-			/* movl  %eax, 0x4(%esp) */
-    { 0xb8, -1 }, { 0x01, -1 }, {0x00, -1 }, {0x00, -1 }, {0x00, -1 },
-			/* movl  $0x1, %eax */
-    { 0xcd, -1 }, { 0x80, -1},
-			/* int   $0x80 */
-    { TRAMP_SENTINEL_INSN, -1 }
+   /* leal  0x8c(%esp), %eax */
+   { 0x8d, ULONGEST_MAX },
+   { 0x84, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x8c, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   /* movl  %eax, 0x4(%esp) */
+   { 0x89, ULONGEST_MAX },
+   { 0x44, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x04, ULONGEST_MAX },
+   /* movl  $0x134, %eax            # setcontext */
+   { 0xb8, ULONGEST_MAX },
+   { 0x34, ULONGEST_MAX },
+   { 0x01, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   /* int   $0x80 */
+   { 0xcd, ULONGEST_MAX },
+   { 0x80, ULONGEST_MAX},
+   /* movl  %eax, 0x4(%esp) */
+   { 0x89, ULONGEST_MAX },
+   { 0x44, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x04, ULONGEST_MAX },
+   /* movl  $0x1, %eax */
+   { 0xb8, ULONGEST_MAX },
+   { 0x01, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   /* int   $0x80 */
+   { 0xcd, ULONGEST_MAX },
+   { 0x80, ULONGEST_MAX},
+   { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   i386nbsd_sigtramp_cache_init
 };
@@ -201,23 +282,47 @@ static const struct tramp_frame i386nbsd_sigtramp_si4 =
   SIGTRAMP_FRAME,
   1,
   {
-    { 0x8d, -1 }, { 0x84, -1 }, { 0x24, -1 },
-        { 0x8c, -1 }, { 0x00, -1 }, { 0x00, -1 }, { 0x00, -1 },
-			/* leal  0x8c(%esp), %eax */
-    { 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
-			/* movl  %eax, 0x4(%esp) */
-    { 0xb8, -1 }, { 0x34, -1 }, { 0x01, -1 }, { 0x00, -1 }, { 0x00, -1 },
-			/* movl  $0x134, %eax            # setcontext */
-    { 0xcd, -1 }, { 0x80, -1},
-			/* int   $0x80 */
-    { 0xc7, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
-        { 0xff, -1 }, { 0xff, -1 }, { 0xff, -1 }, { 0xff, -1 },
-			/* movl   $0xffffffff,0x4(%esp) */
-    { 0xb8, -1 }, { 0x01, -1 }, {0x00, -1 }, {0x00, -1 }, {0x00, -1 },
-			/* movl  $0x1, %eax */
-    { 0xcd, -1 }, { 0x80, -1},
-			/* int   $0x80 */
-    { TRAMP_SENTINEL_INSN, -1 }
+   /* leal  0x8c(%esp), %eax */
+   { 0x8d, ULONGEST_MAX },
+   { 0x84, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x8c, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   /* movl  %eax, 0x4(%esp) */
+   { 0x89, ULONGEST_MAX },
+   { 0x44, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x04, ULONGEST_MAX },
+   /* movl  $0x134, %eax            # setcontext */
+   { 0xb8, ULONGEST_MAX },
+   { 0x34, ULONGEST_MAX },
+   { 0x01, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   { 0x00, ULONGEST_MAX },
+   /* int   $0x80 */
+   { 0xcd, ULONGEST_MAX },
+   { 0x80, ULONGEST_MAX},
+   /* movl   $0xffffffff,0x4(%esp) */
+   { 0xc7, ULONGEST_MAX },
+   { 0x44, ULONGEST_MAX },
+   { 0x24, ULONGEST_MAX },
+   { 0x04, ULONGEST_MAX },
+   { 0xff, ULONGEST_MAX },
+   { 0xff, ULONGEST_MAX },
+   { 0xff, ULONGEST_MAX },
+   { 0xff, ULONGEST_MAX },
+   /* movl  $0x1, %eax */
+   { 0xb8, ULONGEST_MAX },
+   { 0x01, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   {0x00, ULONGEST_MAX },
+   /* int   $0x80 */
+   { 0xcd, ULONGEST_MAX },
+   { 0x80, ULONGEST_MAX},
+   { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   i386nbsd_sigtramp_cache_init
 };
diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c
index 8bc153a..7e867ba 100644
--- a/gdb/microblaze-linux-tdep.c
+++ b/gdb/microblaze-linux-tdep.c
@@ -105,8 +105,8 @@ static struct tramp_frame microblaze_linux_sighandler_tramp_frame =
   SIGTRAMP_FRAME,
   4,
   {
-    { 0x31800077, -1 }, /* addik R12,R0,119.  */
-    { 0xb9cc0008, -1 }, /* brki R14,8.  */
+    { 0x31800077, ULONGEST_MAX }, /* addik R12,R0,119.  */
+    { 0xb9cc0008, ULONGEST_MAX }, /* brki R14,8.  */
     { TRAMP_SENTINEL_INSN },
   },
   microblaze_linux_sighandler_cache_init
diff --git a/gdb/mips-fbsd-tdep.c b/gdb/mips-fbsd-tdep.c
index e341088..071ad67 100644
--- a/gdb/mips-fbsd-tdep.c
+++ b/gdb/mips-fbsd-tdep.c
@@ -342,11 +342,11 @@ static const struct tramp_frame mips_fbsd_sigframe =
   SIGTRAMP_FRAME,
   MIPS_INSN32_SIZE,
   {
-    { MIPS_INST_ADDIU_A0_SP_O32, -1 },	/* addiu   a0, sp, SIGF_UC */
-    { MIPS_INST_LI_V0_SIGRETURN, -1 },	/* li      v0, SYS_sigreturn */
-    { MIPS_INST_SYSCALL, -1 },		/* syscall */
-    { MIPS_INST_BREAK, -1 },		/* break */
-    { TRAMP_SENTINEL_INSN, -1 }
+    { MIPS_INST_ADDIU_A0_SP_O32, ULONGEST_MAX },	/* addiu   a0, sp, SIGF_UC */
+    { MIPS_INST_LI_V0_SIGRETURN, ULONGEST_MAX },	/* li      v0, SYS_sigreturn */
+    { MIPS_INST_SYSCALL, ULONGEST_MAX },		/* syscall */
+    { MIPS_INST_BREAK, ULONGEST_MAX },		/* break */
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   mips_fbsd_sigframe_init
 };
@@ -434,11 +434,11 @@ static const struct tramp_frame mipsn32_fbsd_sigframe =
   SIGTRAMP_FRAME,
   MIPS_INSN32_SIZE,
   {
-    { MIPS_INST_ADDIU_A0_SP_N32, -1 },	/* addiu   a0, sp, SIGF_UC */
-    { MIPS_INST_LI_V0_SIGRETURN, -1 },	/* li      v0, SYS_sigreturn */
-    { MIPS_INST_SYSCALL, -1 },		/* syscall */
-    { MIPS_INST_BREAK, -1 },		/* break */
-    { TRAMP_SENTINEL_INSN, -1 }
+    { MIPS_INST_ADDIU_A0_SP_N32, ULONGEST_MAX },	/* addiu   a0, sp, SIGF_UC */
+    { MIPS_INST_LI_V0_SIGRETURN, ULONGEST_MAX },	/* li      v0, SYS_sigreturn */
+    { MIPS_INST_SYSCALL, ULONGEST_MAX },		/* syscall */
+    { MIPS_INST_BREAK, ULONGEST_MAX },		/* break */
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   mips64_fbsd_sigframe_init
 };
@@ -451,11 +451,11 @@ static const struct tramp_frame mips64_fbsd_sigframe =
   SIGTRAMP_FRAME,
   MIPS_INSN32_SIZE,
   {
-    { MIPS_INST_DADDIU_A0_SP_N64, -1 },	/* daddiu  a0, sp, SIGF_UC */
-    { MIPS_INST_LI_V0_SIGRETURN, -1 },	/* li      v0, SYS_sigreturn */
-    { MIPS_INST_SYSCALL, -1 },		/* syscall */
-    { MIPS_INST_BREAK, -1 },		/* break */
-    { TRAMP_SENTINEL_INSN, -1 }
+    { MIPS_INST_DADDIU_A0_SP_N64, ULONGEST_MAX },	/* daddiu  a0, sp, SIGF_UC */
+    { MIPS_INST_LI_V0_SIGRETURN, ULONGEST_MAX },	/* li      v0, SYS_sigreturn */
+    { MIPS_INST_SYSCALL, ULONGEST_MAX },		/* syscall */
+    { MIPS_INST_BREAK, ULONGEST_MAX },		/* break */
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   mips64_fbsd_sigframe_init
 };
diff --git a/gdb/mips-linux-tdep.c b/gdb/mips-linux-tdep.c
index 44b2b2e..575575f 100644
--- a/gdb/mips-linux-tdep.c
+++ b/gdb/mips-linux-tdep.c
@@ -755,9 +755,9 @@ static const struct tramp_frame mips_linux_o32_sigframe = {
   SIGTRAMP_FRAME,
   4,
   {
-    { MIPS_INST_LI_V0_SIGRETURN, -1 },
-    { MIPS_INST_SYSCALL, -1 },
-    { TRAMP_SENTINEL_INSN, -1 }
+    { MIPS_INST_LI_V0_SIGRETURN, ULONGEST_MAX },
+    { MIPS_INST_SYSCALL, ULONGEST_MAX },
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   mips_linux_o32_sigframe_init,
   mips_linux_sigframe_validate
@@ -767,9 +767,9 @@ static const struct tramp_frame mips_linux_o32_rt_sigframe = {
   SIGTRAMP_FRAME,
   4,
   {
-    { MIPS_INST_LI_V0_RT_SIGRETURN, -1 },
-    { MIPS_INST_SYSCALL, -1 },
-    { TRAMP_SENTINEL_INSN, -1 } },
+    { MIPS_INST_LI_V0_RT_SIGRETURN, ULONGEST_MAX },
+    { MIPS_INST_SYSCALL, ULONGEST_MAX },
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX } },
   mips_linux_o32_sigframe_init,
   mips_linux_sigframe_validate
 };
@@ -778,9 +778,9 @@ static const struct tramp_frame mips_linux_n32_rt_sigframe = {
   SIGTRAMP_FRAME,
   4,
   {
-    { MIPS_INST_LI_V0_N32_RT_SIGRETURN, -1 },
-    { MIPS_INST_SYSCALL, -1 },
-    { TRAMP_SENTINEL_INSN, -1 }
+    { MIPS_INST_LI_V0_N32_RT_SIGRETURN, ULONGEST_MAX },
+    { MIPS_INST_SYSCALL, ULONGEST_MAX },
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   mips_linux_n32n64_sigframe_init,
   mips_linux_sigframe_validate
@@ -790,9 +790,9 @@ static const struct tramp_frame mips_linux_n64_rt_sigframe = {
   SIGTRAMP_FRAME,
   4,
   {
-    { MIPS_INST_LI_V0_N64_RT_SIGRETURN, -1 },
-    { MIPS_INST_SYSCALL, -1 },
-    { TRAMP_SENTINEL_INSN, -1 }
+    { MIPS_INST_LI_V0_N64_RT_SIGRETURN, ULONGEST_MAX },
+    { MIPS_INST_SYSCALL, ULONGEST_MAX },
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   mips_linux_n32n64_sigframe_init,
   mips_linux_sigframe_validate
@@ -802,11 +802,11 @@ static const struct tramp_frame micromips_linux_o32_sigframe = {
   SIGTRAMP_FRAME,
   2,
   {
-    { MICROMIPS_INST_LI_V0, -1 },
-    { MIPS_NR_sigreturn, -1 },
-    { MICROMIPS_INST_POOL32A, -1 },
-    { MICROMIPS_INST_SYSCALL, -1 },
-    { TRAMP_SENTINEL_INSN, -1 }
+    { MICROMIPS_INST_LI_V0, ULONGEST_MAX },
+    { MIPS_NR_sigreturn, ULONGEST_MAX },
+    { MICROMIPS_INST_POOL32A, ULONGEST_MAX },
+    { MICROMIPS_INST_SYSCALL, ULONGEST_MAX },
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   mips_linux_o32_sigframe_init,
   micromips_linux_sigframe_validate
@@ -816,11 +816,11 @@ static const struct tramp_frame micromips_linux_o32_rt_sigframe = {
   SIGTRAMP_FRAME,
   2,
   {
-    { MICROMIPS_INST_LI_V0, -1 },
-    { MIPS_NR_rt_sigreturn, -1 },
-    { MICROMIPS_INST_POOL32A, -1 },
-    { MICROMIPS_INST_SYSCALL, -1 },
-    { TRAMP_SENTINEL_INSN, -1 }
+    { MICROMIPS_INST_LI_V0, ULONGEST_MAX },
+    { MIPS_NR_rt_sigreturn, ULONGEST_MAX },
+    { MICROMIPS_INST_POOL32A, ULONGEST_MAX },
+    { MICROMIPS_INST_SYSCALL, ULONGEST_MAX },
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   mips_linux_o32_sigframe_init,
   micromips_linux_sigframe_validate
@@ -830,11 +830,11 @@ static const struct tramp_frame micromips_linux_n32_rt_sigframe = {
   SIGTRAMP_FRAME,
   2,
   {
-    { MICROMIPS_INST_LI_V0, -1 },
-    { MIPS_NR_N32_rt_sigreturn, -1 },
-    { MICROMIPS_INST_POOL32A, -1 },
-    { MICROMIPS_INST_SYSCALL, -1 },
-    { TRAMP_SENTINEL_INSN, -1 }
+    { MICROMIPS_INST_LI_V0, ULONGEST_MAX },
+    { MIPS_NR_N32_rt_sigreturn, ULONGEST_MAX },
+    { MICROMIPS_INST_POOL32A, ULONGEST_MAX },
+    { MICROMIPS_INST_SYSCALL, ULONGEST_MAX },
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   mips_linux_n32n64_sigframe_init,
   micromips_linux_sigframe_validate
@@ -844,11 +844,11 @@ static const struct tramp_frame micromips_linux_n64_rt_sigframe = {
   SIGTRAMP_FRAME,
   2,
   {
-    { MICROMIPS_INST_LI_V0, -1 },
-    { MIPS_NR_N64_rt_sigreturn, -1 },
-    { MICROMIPS_INST_POOL32A, -1 },
-    { MICROMIPS_INST_SYSCALL, -1 },
-    { TRAMP_SENTINEL_INSN, -1 }
+    { MICROMIPS_INST_LI_V0, ULONGEST_MAX },
+    { MIPS_NR_N64_rt_sigreturn, ULONGEST_MAX },
+    { MICROMIPS_INST_POOL32A, ULONGEST_MAX },
+    { MICROMIPS_INST_SYSCALL, ULONGEST_MAX },
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   mips_linux_n32n64_sigframe_init,
   micromips_linux_sigframe_validate
diff --git a/gdb/mips64-obsd-tdep.c b/gdb/mips64-obsd-tdep.c
index cbebe05..fe18191 100644
--- a/gdb/mips64-obsd-tdep.c
+++ b/gdb/mips64-obsd-tdep.c
@@ -128,11 +128,11 @@ static const struct tramp_frame mips64obsd_sigframe =
   SIGTRAMP_FRAME,
   MIPS_INSN32_SIZE,
   {
-    { 0x67a40020, -1 },		/* daddiu  a0,sp,32 */
-    { 0x24020067, -1 },		/* li      v0,103 */
-    { 0x0000000c, -1 },		/* syscall */
-    { 0x0000000d, -1 },		/* break */
-    { TRAMP_SENTINEL_INSN, -1 }
+    { 0x67a40020, ULONGEST_MAX },		/* daddiu  a0,sp,32 */
+    { 0x24020067, ULONGEST_MAX },		/* li      v0,103 */
+    { 0x0000000c, ULONGEST_MAX },		/* syscall */
+    { 0x0000000d, ULONGEST_MAX },		/* break */
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   mips64obsd_sigframe_init
 };
diff --git a/gdb/mn10300-linux-tdep.c b/gdb/mn10300-linux-tdep.c
index 76e9c6f..49b0605 100644
--- a/gdb/mn10300-linux-tdep.c
+++ b/gdb/mn10300-linux-tdep.c
@@ -472,13 +472,13 @@ static const struct tramp_frame am33_linux_sigframe = {
   1,
   {
     /* mov     119,d0 */
-    { 0x2c, -1 },
-    { 0x77, -1 },
-    { 0x00, -1 },
+    { 0x2c, ULONGEST_MAX },
+    { 0x77, ULONGEST_MAX },
+    { 0x00, ULONGEST_MAX },
     /* syscall 0 */
-    { 0xf0, -1 },
-    { 0xe0, -1 },
-    { TRAMP_SENTINEL_INSN, -1 }
+    { 0xf0, ULONGEST_MAX },
+    { 0xe0, ULONGEST_MAX },
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   am33_linux_sigframe_cache_init
 };
@@ -488,13 +488,13 @@ static const struct tramp_frame am33_linux_rt_sigframe = {
   1,
   {
     /* mov     173,d0 */
-    { 0x2c, -1 },
-    { 0xad, -1 },
-    { 0x00, -1 },
+    { 0x2c, ULONGEST_MAX },
+    { 0xad, ULONGEST_MAX },
+    { 0x00, ULONGEST_MAX },
     /* syscall 0 */
-    { 0xf0, -1 },
-    { 0xe0, -1 },
-    { TRAMP_SENTINEL_INSN, -1 }
+    { 0xf0, ULONGEST_MAX },
+    { 0xe0, ULONGEST_MAX },
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   am33_linux_sigframe_cache_init
 };
diff --git a/gdb/nios2-linux-tdep.c b/gdb/nios2-linux-tdep.c
index d7e97ab..7594991 100644
--- a/gdb/nios2-linux-tdep.c
+++ b/gdb/nios2-linux-tdep.c
@@ -163,8 +163,8 @@ static struct tramp_frame nios2_r1_linux_rt_sigreturn_tramp_frame =
   SIGTRAMP_FRAME,
   4,
   {
-    { MATCH_R1_MOVI | SET_IW_I_B (2) | SET_IW_I_IMM16 (139), -1 },
-    { MATCH_R1_TRAP | SET_IW_R_IMM5 (0), -1},
+    { MATCH_R1_MOVI | SET_IW_I_B (2) | SET_IW_I_IMM16 (139), ULONGEST_MAX },
+    { MATCH_R1_TRAP | SET_IW_R_IMM5 (0), ULONGEST_MAX},
     { TRAMP_SENTINEL_INSN }
   },
   nios2_linux_rt_sigreturn_init
@@ -175,8 +175,8 @@ static struct tramp_frame nios2_r2_linux_rt_sigreturn_tramp_frame =
   SIGTRAMP_FRAME,
   4,
   {
-    { MATCH_R2_MOVI | SET_IW_F2I16_B (2) | SET_IW_F2I16_IMM16 (139), -1 },
-    { MATCH_R2_TRAP | SET_IW_X2L5_IMM5 (0), -1},
+    { MATCH_R2_MOVI | SET_IW_F2I16_B (2) | SET_IW_F2I16_IMM16 (139), ULONGEST_MAX },
+    { MATCH_R2_TRAP | SET_IW_X2L5_IMM5 (0), ULONGEST_MAX},
     { TRAMP_SENTINEL_INSN }
   },
   nios2_linux_rt_sigreturn_init
diff --git a/gdb/ppc-linux-tdep.c b/gdb/ppc-linux-tdep.c
index 1c0fb7a..817a002 100644
--- a/gdb/ppc-linux-tdep.c
+++ b/gdb/ppc-linux-tdep.c
@@ -746,8 +746,8 @@ static struct tramp_frame ppc32_linux_sigaction_tramp_frame = {
   SIGTRAMP_FRAME,
   4,
   { 
-    { 0x380000ac, -1 }, /* li r0, 172 */
-    { 0x44000002, -1 }, /* sc */
+    { 0x380000ac, ULONGEST_MAX }, /* li r0, 172 */
+    { 0x44000002, ULONGEST_MAX }, /* sc */
     { TRAMP_SENTINEL_INSN },
   },
   ppc32_linux_sigaction_cache_init
@@ -756,9 +756,9 @@ static struct tramp_frame ppc64_linux_sigaction_tramp_frame = {
   SIGTRAMP_FRAME,
   4,
   {
-    { 0x38210080, -1 }, /* addi r1,r1,128 */
-    { 0x380000ac, -1 }, /* li r0, 172 */
-    { 0x44000002, -1 }, /* sc */
+    { 0x38210080, ULONGEST_MAX }, /* addi r1,r1,128 */
+    { 0x380000ac, ULONGEST_MAX }, /* li r0, 172 */
+    { 0x44000002, ULONGEST_MAX }, /* sc */
     { TRAMP_SENTINEL_INSN },
   },
   ppc64_linux_sigaction_cache_init
@@ -767,8 +767,8 @@ static struct tramp_frame ppc32_linux_sighandler_tramp_frame = {
   SIGTRAMP_FRAME,
   4,
   { 
-    { 0x38000077, -1 }, /* li r0,119 */
-    { 0x44000002, -1 }, /* sc */
+    { 0x38000077, ULONGEST_MAX }, /* li r0,119 */
+    { 0x44000002, ULONGEST_MAX }, /* sc */
     { TRAMP_SENTINEL_INSN },
   },
   ppc32_linux_sighandler_cache_init
@@ -777,9 +777,9 @@ static struct tramp_frame ppc64_linux_sighandler_tramp_frame = {
   SIGTRAMP_FRAME,
   4,
   { 
-    { 0x38210080, -1 }, /* addi r1,r1,128 */
-    { 0x38000077, -1 }, /* li r0,119 */
-    { 0x44000002, -1 }, /* sc */
+    { 0x38210080, ULONGEST_MAX }, /* addi r1,r1,128 */
+    { 0x38000077, ULONGEST_MAX }, /* li r0,119 */
+    { 0x44000002, ULONGEST_MAX }, /* sc */
     { TRAMP_SENTINEL_INSN },
   },
   ppc64_linux_sighandler_cache_init
diff --git a/gdb/ppc-nbsd-tdep.c b/gdb/ppc-nbsd-tdep.c
index 053ec49..ccd70b0 100644
--- a/gdb/ppc-nbsd-tdep.c
+++ b/gdb/ppc-nbsd-tdep.c
@@ -137,14 +137,14 @@ static const struct tramp_frame ppcnbsd_sigtramp =
   SIGTRAMP_FRAME,
   4,
   {
-    { 0x3821fff0, -1 },		/* add r1,r1,-16 */
-    { 0x4e800021, -1 },		/* blrl */
-    { 0x38610018, -1 },		/* addi r3,r1,24 */
-    { 0x38000127, -1 },		/* li r0,295 */
-    { 0x44000002, -1 },		/* sc */
-    { 0x38000001, -1 },		/* li r0,1 */
-    { 0x44000002, -1 },		/* sc */
-    { TRAMP_SENTINEL_INSN, -1 }
+    { 0x3821fff0, ULONGEST_MAX },		/* add r1,r1,-16 */
+    { 0x4e800021, ULONGEST_MAX },		/* blrl */
+    { 0x38610018, ULONGEST_MAX },		/* addi r3,r1,24 */
+    { 0x38000127, ULONGEST_MAX },		/* li r0,295 */
+    { 0x44000002, ULONGEST_MAX },		/* sc */
+    { 0x38000001, ULONGEST_MAX },		/* li r0,1 */
+    { 0x44000002, ULONGEST_MAX },		/* sc */
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   ppcnbsd_sigtramp_cache_init
 };
@@ -156,14 +156,14 @@ const struct tramp_frame ppcnbsd2_sigtramp =
   SIGTRAMP_FRAME,
   4,
   {
-    { 0x3821fff0, -1 },		/* add r1,r1,-16 */
-    { 0x4e800021, -1 },		/* blrl */
-    { 0x38610010, -1 },		/* addi r3,r1,16 */
-    { 0x38000127, -1 },		/* li r0,295 */
-    { 0x44000002, -1 },		/* sc */
-    { 0x38000001, -1 },		/* li r0,1 */
-    { 0x44000002, -1 },		/* sc */
-    { TRAMP_SENTINEL_INSN, -1 }
+    { 0x3821fff0, ULONGEST_MAX },		/* add r1,r1,-16 */
+    { 0x4e800021, ULONGEST_MAX },		/* blrl */
+    { 0x38610010, ULONGEST_MAX },		/* addi r3,r1,16 */
+    { 0x38000127, ULONGEST_MAX },		/* li r0,295 */
+    { 0x44000002, ULONGEST_MAX },		/* sc */
+    { 0x38000001, ULONGEST_MAX },		/* li r0,1 */
+    { 0x44000002, ULONGEST_MAX },		/* sc */
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   ppcnbsd_sigtramp_cache_init
 };
diff --git a/gdb/sparc-linux-tdep.c b/gdb/sparc-linux-tdep.c
index 0933a44..ee6bd06 100644
--- a/gdb/sparc-linux-tdep.c
+++ b/gdb/sparc-linux-tdep.c
@@ -68,9 +68,9 @@ static const struct tramp_frame sparc32_linux_sigframe =
   SIGTRAMP_FRAME,
   4,
   {
-    { 0x821020d8, -1 },		/* mov __NR_sugreturn, %g1 */
-    { 0x91d02010, -1 },		/* ta  0x10 */
-    { TRAMP_SENTINEL_INSN, -1 }
+    { 0x821020d8, ULONGEST_MAX },		/* mov __NR_sugreturn, %g1 */
+    { 0x91d02010, ULONGEST_MAX },		/* ta  0x10 */
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   sparc32_linux_sigframe_init
 };
@@ -83,9 +83,9 @@ static const struct tramp_frame sparc32_linux_rt_sigframe =
   SIGTRAMP_FRAME,
   4,
   {
-    { 0x82102065, -1 },		/* mov __NR_rt_sigreturn, %g1 */
-    { 0x91d02010, -1 },		/* ta  0x10 */
-    { TRAMP_SENTINEL_INSN, -1 }
+    { 0x82102065, ULONGEST_MAX },		/* mov __NR_rt_sigreturn, %g1 */
+    { 0x91d02010, ULONGEST_MAX },		/* ta  0x10 */
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   sparc32_linux_sigframe_init
 };
diff --git a/gdb/sparc64-linux-tdep.c b/gdb/sparc64-linux-tdep.c
index 6451ffd..a135f35 100644
--- a/gdb/sparc64-linux-tdep.c
+++ b/gdb/sparc64-linux-tdep.c
@@ -64,9 +64,9 @@ static const struct tramp_frame sparc64_linux_rt_sigframe =
   SIGTRAMP_FRAME,
   4,
   {
-    { 0x82102065, -1 },		/* mov __NR_rt_sigreturn, %g1 */
-    { 0x91d0206d, -1 },		/* ta  0x6d */
-    { TRAMP_SENTINEL_INSN, -1 }
+    { 0x82102065, ULONGEST_MAX },		/* mov __NR_rt_sigreturn, %g1 */
+    { 0x91d0206d, ULONGEST_MAX },		/* ta  0x6d */
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   sparc64_linux_sigframe_init
 };
diff --git a/gdb/tic6x-linux-tdep.c b/gdb/tic6x-linux-tdep.c
index d54bbe7..08f6dd0 100644
--- a/gdb/tic6x-linux-tdep.c
+++ b/gdb/tic6x-linux-tdep.c
@@ -137,7 +137,7 @@ static struct tramp_frame tic6x_linux_rt_sigreturn_tramp_frame =
   4,
   {
     {0x000045aa, 0x0fffffff},	/* mvk .S2 139,b0 */
-    {0x10000000, -1},		/* swe */
+    {0x10000000, ULONGEST_MAX},		/* swe */
     {TRAMP_SENTINEL_INSN}
   },
   tic6x_linux_rt_sigreturn_init
diff --git a/gdb/tilegx-linux-tdep.c b/gdb/tilegx-linux-tdep.c
index c44bbd1..c018e06 100644
--- a/gdb/tilegx-linux-tdep.c
+++ b/gdb/tilegx-linux-tdep.c
@@ -65,9 +65,9 @@ static const struct tramp_frame tilegx_linux_rt_sigframe =
   SIGTRAMP_FRAME,
   8,
   {
-    { 0x00045fe551483000ULL, -1 }, /* { moveli r10, 139 } */
-    { 0x286b180051485000ULL, -1 }, /* { swint1 } */
-    { TRAMP_SENTINEL_INSN, -1 }
+    { 0x00045fe551483000ULL, ULONGEST_MAX }, /* { moveli r10, 139 } */
+    { 0x286b180051485000ULL, ULONGEST_MAX }, /* { swint1 } */
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   tilegx_linux_sigframe_init
 };
diff --git a/gdb/tramp-frame.h b/gdb/tramp-frame.h
index 6ba0943..ff2e8b6 100644
--- a/gdb/tramp-frame.h
+++ b/gdb/tramp-frame.h
@@ -41,7 +41,7 @@ struct trad_frame_cache;
 
 /* Magic instruction that to mark the end of the signal trampoline
    instruction sequence.  */
-#define TRAMP_SENTINEL_INSN ((LONGEST) -1)
+#define TRAMP_SENTINEL_INSN ULONGEST_MAX
 
 struct tramp_frame
 {