| Message ID | 1471450774-8666-1-git-send-email-vzakhar@synopsys.com |
|---|---|
| State | Changes Requested |
| Headers | show |
Hello, On Wed, 17 Aug 2016 19:19:34 +0300, Vlad Zakharov wrote: > diff --git a/package/uclibc/0003-uclibc-ng-devel-uClibc-ARC-Support-syscall-ABI-v4.patch b/package/uclibc/0003-uclibc-ng-devel-uClibc-ARC-Support-syscall-ABI-v4.patch > new file mode 100644 > index 0000000..14e24d0 > --- /dev/null > +++ b/package/uclibc/0003-uclibc-ng-devel-uClibc-ARC-Support-syscall-ABI-v4.patch > @@ -0,0 +1,21 @@ > +diff --git a/libc/sysdeps/linux/arc/bits/uClibc_arch_features.h b/libc/sysdeps/linux/arc/bits/uClibc_arch_features.h > +index 51607240cd82..94e089d5dfa8 100755 > +--- a/libc/sysdeps/linux/arc/bits/uClibc_arch_features.h > ++++ b/libc/sysdeps/linux/arc/bits/uClibc_arch_features.h All patches must have a description + Signed-off-by. Thanks, Thomas
diff --git a/package/uclibc/0003-uclibc-ng-devel-uClibc-ARC-Support-syscall-ABI-v4.patch b/package/uclibc/0003-uclibc-ng-devel-uClibc-ARC-Support-syscall-ABI-v4.patch new file mode 100644 index 0000000..14e24d0 --- /dev/null +++ b/package/uclibc/0003-uclibc-ng-devel-uClibc-ARC-Support-syscall-ABI-v4.patch @@ -0,0 +1,21 @@ +diff --git a/libc/sysdeps/linux/arc/bits/uClibc_arch_features.h b/libc/sysdeps/linux/arc/bits/uClibc_arch_features.h +index 51607240cd82..94e089d5dfa8 100755 +--- a/libc/sysdeps/linux/arc/bits/uClibc_arch_features.h ++++ b/libc/sysdeps/linux/arc/bits/uClibc_arch_features.h +@@ -41,8 +41,14 @@ + /* The default ';' is a comment on ARC. */ + #define __UCLIBC_ASM_LINE_SEP__ ` + +-/* does your target align 64bit values in register pairs ? (32bit arches only) */ +-#if defined(__A7__) ++/* does your target align 64bit values in register pairs ? (32bit arches only) ++ * - ARC700 never had any constraint on reg pairs (even if ABI v3) ++ * - Inital HS ABI (v3: non upstream gcc) had 64-bit data aligned in even-odd ++ * reg pairs (thus allowed reg holes when passing such args to calls) ++ * - Upstream gcc (6.x) HS ABI doesn't have that restriction ++ */ ++ ++#if defined(__A7__) || (__GNUC__ > 4) + #undef __UCLIBC_SYSCALL_ALIGN_64BIT__ + #else + #define __UCLIBC_SYSCALL_ALIGN_64BIT__
When using with GCC 6 ABIv4 is required. Missing this patch leads to numerous runtime errors. Signed-off-by: Vlad Zakharov <vzakhar@synopsys.com> --- ...ng-devel-uClibc-ARC-Support-syscall-ABI-v4.patch | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 package/uclibc/0003-uclibc-ng-devel-uClibc-ARC-Support-syscall-ABI-v4.patch