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authorAnton Gerasimov <anton@advancedtelematic.com>2017-04-24 13:59:21 +0200
committerAnton Gerasimov <anton@advancedtelematic.com>2017-04-24 13:59:21 +0200
commitabe6250af91c4b3193511f4dd5fbfb7ee40d76d5 (patch)
tree040bcd7509accf453145b2c0c77b06d8e35a13e9 /meta-sota/recipes-bsp/u-boot/u-boot-ota/0002-Replace-wraps-with-built-in-code-to-remove-dependenc.patch
parente4bc8c7058fbf27969a967a5e30f15fcf22544bd (diff)
Moved to meta-updater@github.com/advancedtelenmatic Change-Id: I7c89d373e43a88a89155c72de87c0b4b5238bc52 Signed-off-by: Anton Gerasimov <anton@advancedtelematic.com>
Diffstat (limited to 'meta-sota/recipes-bsp/u-boot/u-boot-ota/0002-Replace-wraps-with-built-in-code-to-remove-dependenc.patch')
-rw-r--r--meta-sota/recipes-bsp/u-boot/u-boot-ota/0002-Replace-wraps-with-built-in-code-to-remove-dependenc.patch138
1 files changed, 0 insertions, 138 deletions
diff --git a/meta-sota/recipes-bsp/u-boot/u-boot-ota/0002-Replace-wraps-with-built-in-code-to-remove-dependenc.patch b/meta-sota/recipes-bsp/u-boot/u-boot-ota/0002-Replace-wraps-with-built-in-code-to-remove-dependenc.patch
deleted file mode 100644
index 7540b74..0000000
--- a/meta-sota/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
-