Pull in fixes for ARM v8m support in gcc 8.2.0

There are some fixes to the cmse code in mainline gcc that we need to
build an embedded toolchain targetting Cortex-M cpus that support the
v8m extensions.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>

1 files changed, 69 insertions, 0 deletions

diff --git a/packages/gcc/8.2.0/0020-ARM-fix-cmse.patch b/packages/gcc/8.2.0/0020-ARM-fix-cmse.patch
new file mode 100644
index 0000000..4a501a2
--- /dev/null
+++ b/packages/gcc/8.2.0/0020-ARM-fix-cmse.patch
@@ -0,0 +1,69 @@
+From 8155b998a328748ca3d2cd1d012feb5c8286cd65 Mon Sep 17 00:00:00 2001
+From: hainque <hainque@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Thu, 17 May 2018 16:36:36 +0000
+Subject: [PATCH] 2018-05-17  Jerome Lambourg  <lambourg@adacore.com>
+
+	gcc/
+	* config/arm/arm_cmse.h (cmse_nsfptr_create, cmse_is_nsfptr): Remove
+	#include <stdint.h>.  Replace intptr_t with __INTPTR_TYPE__.
+
+	libgcc/
+	* config/arm/cmse.c (cmse_check_address_range): Replace
+	UINTPTR_MAX with __UINTPTR_MAX__ and uintptr_t with __UINTPTR_TYPE__.
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@260330 138bc75d-0d04-0410-961f-82ee72b054a4
+---
+ gcc/config/arm/arm_cmse.h | 5 ++---
+ libgcc/config/arm/cmse.c  | 5 +++--
+ 4 files changed, 15 insertions(+), 5 deletions(-)
+
+diff --git a/gcc/config/arm/arm_cmse.h b/gcc/config/arm/arm_cmse.h
+index 367e212dc9c..f972e23659d 100644
+--- a/gcc/config/arm/arm_cmse.h
++++ b/gcc/config/arm/arm_cmse.h
+@@ -35,7 +35,6 @@ extern "C" {
+ #if __ARM_FEATURE_CMSE & 1
+ 
+ #include <stddef.h>
+-#include <stdint.h>
+ 
+ #ifdef __ARM_BIG_ENDIAN
+ 
+@@ -174,9 +173,9 @@ cmse_nonsecure_caller (void)
+ #define CMSE_MPU_NONSECURE	16
+ #define CMSE_NONSECURE		18
+ 
+-#define cmse_nsfptr_create(p) ((typeof ((p))) ((intptr_t) (p) & ~1))
++#define cmse_nsfptr_create(p) ((typeof ((p))) ((__INTPTR_TYPE__) (p) & ~1))
+ 
+-#define cmse_is_nsfptr(p) (!((intptr_t) (p) & 1))
++#define cmse_is_nsfptr(p) (!((__INTPTR_TYPE__) (p) & 1))
+ 
+ #endif /* __ARM_FEATURE_CMSE & 2 */
+ 
+diff --git a/libgcc/config/arm/cmse.c b/libgcc/config/arm/cmse.c
+index 3ded385693a..2ad0af2ecd8 100644
+--- a/libgcc/config/arm/cmse.c
++++ b/libgcc/config/arm/cmse.c
+@@ -36,7 +36,7 @@ cmse_check_address_range (void *p, size_t size, int flags)
+   char *pb = (char *) p, *pe;
+ 
+   /* Check if the range wraps around.  */
+-  if (UINTPTR_MAX - (uintptr_t) p < size)
++  if (__UINTPTR_MAX__ - (__UINTPTR_TYPE__) p < size)
+     return NULL;
+ 
+   /* Check if an unknown flag is present.  */
+@@ -51,7 +51,8 @@ cmse_check_address_range (void *p, size_t size, int flags)
+ 
+   /* Execute the right variant of the TT instructions.  */
+   pe = pb + size - 1;
+-  const int singleCheck = (((uintptr_t) pb ^ (uintptr_t) pe) < 32);
++  const int singleCheck
++    = (((__UINTPTR_TYPE__) pb ^ (__UINTPTR_TYPE__) pe) < 32);
+   switch (flags & known_secure_level)
+     {
+     case 0:
+-- 
+2.14.4
+