diff options
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.patch | 138 |
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 - |