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Pull in fixes for ARM v8m support in gcc 8.2.0

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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>
This commit is contained in:
Kumar Gala 2018-09-27 04:26:52 -05:00
parent b82b8adb44
commit b06864f7df
2 changed files with 109 additions and 0 deletions
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69
packages/gcc/8.2.0/0020-ARM-fix-cmse.patch vendored Normal file
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@ -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

40
packages/gcc/8.2.0/0021-arm-Make-arm_cmse.h-C99-compatible.patch vendored Normal file
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@ -0,0 +1,40 @@
From 02a72c22044c079becd5307c8b5c9552ba0c7f53 Mon Sep 17 00:00:00 2001
From: avieira <avieira@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 5 Jun 2018 15:07:09 +0000
Subject: [PATCH] [arm] Make arm_cmse.h C99 compatible
gcc/ChangeLog
2018-06-05 Andre Vieira <andre.simoesdiasvieira@arm.com>
* config/arm/arm_cmse.h (cmse_nsfptr_create): Change typeof to
__typeof__.
(cmse_check_pointed_object): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@261204 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/config/arm/arm_cmse.h | 4 ++--
4 files changed, 16 insertions(+), 2 deletions(-)
create mode 100644 gcc/testsuite/gcc.target/arm/cmse/cmse-1c99.c
diff --git a/gcc/config/arm/arm_cmse.h b/gcc/config/arm/arm_cmse.h
index f972e23659d..9b35537cd33 100644
--- a/gcc/config/arm/arm_cmse.h
+++ b/gcc/config/arm/arm_cmse.h
@@ -173,7 +173,7 @@ cmse_nonsecure_caller (void)
#define CMSE_MPU_NONSECURE 16
#define CMSE_NONSECURE 18
-#define cmse_nsfptr_create(p) ((typeof ((p))) ((__INTPTR_TYPE__) (p) & ~1))
+#define cmse_nsfptr_create(p) ((__typeof__ ((p))) ((__INTPTR_TYPE__) (p) & ~1))
#define cmse_is_nsfptr(p) (!((__INTPTR_TYPE__) (p) & 1))
@@ -187,7 +187,7 @@ __extension__ void *
cmse_check_address_range (void *, size_t, int);
#define cmse_check_pointed_object(p, f) \
- ((typeof ((p))) cmse_check_address_range ((p), sizeof (*(p)), (f)))
+ ((__typeof__ ((p))) cmse_check_address_range ((p), sizeof (*(p)), (f)))
#endif /* __ARM_FEATURE_CMSE & 1 */