SPEC-3723: restructure meta-agl

[AGL/meta-agl.git] / meta-agl-bsp / recipes-bsp / u-boot / u-boot-ota / 0002-Replace-wraps-with-built-in-code-to-remove-dependenc.patch

diff --git a/meta-agl-bsp/recipes-bsp/u-boot/u-boot-ota/0002-Replace-wraps-with-built-in-code-to-remove-dependenc.patch b/meta-agl-bsp/recipes-bsp/u-boot/u-boot-ota/0002-Replace-wraps-with-built-in-code-to-remove-dependenc.patch
deleted file mode 100644 (file)
index 7540b74..0000000
--- a/meta-agl-bsp/recipes-bsp/u-boot/u-boot-ota/0002-Replace-wraps-with-built-in-code-to-remove-dependenc.patch
+++ /dev/null
@@ -1,138 +0,0 @@
-From ab0d7e270d89f6eb99582197d2d58bf60c9c3d26 Mon Sep 17 00:00:00 2001
-From: Anton Gerasimov <anton@advancedtelematic.com>
-Date: Thu, 15 Sep 2016 16:49:32 +0200
-Subject: [PATCH 2/2] Replace wraps with built-in code to remove dependency on
- multilib
-
----
- arch/x86/config.mk |   2 --
- arch/x86/lib/gcc.c | 104 ++++++++++++++++++++++++++++++++++++++++++++---------
- 2 files changed, 87 insertions(+), 19 deletions(-)
-
-diff --git a/arch/x86/config.mk b/arch/x86/config.mk
-index 999143e..139576e 100644
---- a/arch/x86/config.mk
-+++ b/arch/x86/config.mk
-@@ -22,5 +22,3 @@ PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
- PLATFORM_LDFLAGS += --emit-relocs -Bsymbolic -Bsymbolic-functions -m elf_i386
- 
- LDFLAGS_FINAL += --gc-sections -pie
--LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3
--LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3
-diff --git a/arch/x86/lib/gcc.c b/arch/x86/lib/gcc.c
-index 497ad75..c321b11 100644
---- a/arch/x86/lib/gcc.c
-+++ b/arch/x86/lib/gcc.c
-@@ -19,22 +19,92 @@
- 
- #ifdef __GNUC__
- 
--/*
-- * GCC's libgcc handling is quite broken. While the libgcc functions
-- * are always regparm(0) the code that calls them uses whatever the
-- * compiler call specifies. Therefore we need a wrapper around those
-- * functions. See gcc bug PR41055 for more information.
-- */
--#define WRAP_LIBGCC_CALL(type, name) \
--      type __normal_##name(type a, type b) __attribute__((regparm(0))); \
--      type __wrap_##name(type a, type b); \
--      type __attribute__((no_instrument_function)) \
--              __wrap_##name(type a, type b) \
--               { return __normal_##name(a, b); }
--
--WRAP_LIBGCC_CALL(long long, __divdi3)
--WRAP_LIBGCC_CALL(unsigned long long, __udivdi3)
--WRAP_LIBGCC_CALL(long long, __moddi3)
--WRAP_LIBGCC_CALL(unsigned long long, __umoddi3)
-+#include <stdint.h>
-+#include <stddef.h>
-+
-+uint64_t __udivmoddi4 ( uint64_t num,
-+                       uint64_t den,
-+                       uint64_t *rem_p )
-+{
-+       uint64_t quot = 0, qbit = 1;
-+
-+       if ( den == 0 ) {
-+               return 1/((unsigned)den); /* Intentional divide by zero, without
-+                                            triggering a compiler warning which
-+                                            would abort the build */
-+       }
-+
-+       /* Left-justify denominator and count shift */
-+       while ( (int64_t)den >= 0 ) {
-+               den <<= 1;
-+               qbit <<= 1;
-+       }
-+
-+       while ( qbit ) {
-+               if ( den <= num ) {
-+                       num -= den;
-+                       quot += qbit;
-+               }
-+               den >>= 1;
-+               qbit >>= 1;
-+       }
-+
-+       if ( rem_p )
-+               *rem_p = num;
-+
-+       return quot;
-+}      
-+uint64_t __udivdi3( uint64_t num, uint64_t den )
-+{
-+       return __udivmoddi4(num, den, NULL);
-+}
-+
-+uint64_t __umoddi3 ( uint64_t num, uint64_t den )
-+{
-+       uint64_t v;
-+
-+       (void) __udivmoddi4(num, den, &v);
-+       return v;
-+}
-+
-+int64_t __divmoddi4 ( int64_t num,
-+               int64_t den,
-+               int64_t* rem_p )
-+{
-+       int minus = 0;
-+       int64_t v;
-+
-+       if ( num < 0 ) {
-+               num = -num;
-+               minus = 1;
-+       }
-+       if ( den < 0 ) {
-+               den = -den;
-+               minus ^= 1;
-+       }
-+
-+       v = __udivmoddi4(num, den, (uint64_t *)rem_p);
-+       if ( minus ) {
-+               v = -v;
-+               if ( rem_p )
-+                       *rem_p = -(*rem_p);
-+       }
-+
-+       return v;
-+}
-+
-+
-+int64_t __moddi3 (int64_t num, int64_t den)
-+{
-+       int64_t v;
-+
-+       (void) __divmoddi4(num, den, &v);
-+       return v;
-+}
-+
-+int64_t __divdi3(int64_t num, int64_t den)
-+{
-+       return __divmoddi4(num, den, NULL);
-+}
- 
- #endif
--- 
-2.9.3
-