diff options
| -rw-r--r-- | Makerules | 13 | ||||
| -rw-r--r-- | Rules.mak | 15 | ||||
| -rw-r--r-- | include/.gitignore | 1 | ||||
| -rw-r--r-- | ldso/ldso/Makefile.in | 13 | ||||
| -rw-r--r-- | libc/sysdeps/linux/arm/bits/syscalls.h | 25 | ||||
| -rw-r--r-- | librt/Makefile.in | 22 | ||||
| -rw-r--r-- | librt/dso_handle.c | 5 |
7 files changed, 48 insertions, 46 deletions
@@ -326,22 +326,13 @@ endef cmd_hcompile.u = $(HOSTCC) $(filter-out $(PHONY),$^) $(DEPS-$(notdir $@)) -o $@ $(BUILD_LDFLAGS) $(BUILD_LDFLAGS-$(notdir $(^D))) $(BUILD_LDFLAGS-$(notdir $@)) $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@)) cmd_hcompile.o = $(HOSTCC) $(filter-out $(PHONY),$<) $(DEPS-$(notdir $@)) -c -o $@ $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@)) -define create-lds - $(Q)$(RM) $@.lds - $(Q)$(CC) $(LDFLAG-fuse-ld) $(CPU_LDFLAGS-y) \ - -nostdlib -nostartfiles -shared -Wl,-z,combreloc \ - -Wl,-z,relro $(CFLAG_-Wl--hash-style=gnu) -Wl,-z,defs \ - -x c /dev/null -Wl,--verbose 2>&1 | LC_ALL=C \ - $(SED) -e '/^=========/,/^=========/!d;/^=========/d' \ - -e 's/^\([ ]*\)\. = .* + SIZEOF_HEADERS;/&\n\1$(SYMBOL_PREFIX)_begin = . - SIZEOF_HEADERS;/' > $@.lds -endef - define link.so $(Q)$(RM) $@ $@.$(2) $(dir $@)$(1) @$(disp_ld) $(Q)$(CC) $(LDFLAGS-$(notdir $@)) $(LDFLAGS-y-$(@F)) \ -Wl,-soname=$(notdir $@).$(2) \ - $(CFLAG_-nostdlib) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \ + $(CFLAG_-nostdlib) $(CFLAG_-nostartfiles) \ + -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \ -Wl,--whole-archive $(firstword $^) -Wl,--no-whole-archive \ $(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@)) $(Q)$(LN) -sf $(1) $@.$(2) @@ -252,6 +252,7 @@ ARFLAGS:=cr # Note: The check for -nostdlib has to be before all calls to check_ld $(eval $(call check-gcc-var,-nostdlib)) +$(eval $(call check-gcc-var,-nostartfiles)) # deliberately not named CFLAG-fuse-ld since unchecked and from user LDFLAG-fuse-ld := $(filter -fuse-ld=%,$(call qstrip,$(UCLIBC_EXTRA_CFLAGS))) # failed to merge target specific data of file /dev/null @@ -663,14 +664,18 @@ LDFLAGS_NOSTRIP += $(CFLAG_-Wl--hash-style=gnu) endif endif -LDFLAGS:=$(LDFLAGS_NOSTRIP) -Wl,-z,defs ifeq ($(DODEBUG),y) CFLAGS += -O0 -g3 -DDEBUG else CFLAGS += $(OPTIMIZATION) CFLAGS += $(OPTIMIZATION-$(GCC_MAJOR_VER)) CFLAGS += $(OPTIMIZATION-$(GCC_MAJOR_VER).$(GCC_MINOR_VER)) +$(eval $(call check-ld-var,-O2)) +LDFLAGS_NOSTRIP += $(CFLAG_-Wl-O2) endif + +LDFLAGS:=$(LDFLAGS_NOSTRIP) -Wl,-z,defs + ifeq ($(DOSTRIP),y) LDFLAGS += -Wl,-s else @@ -784,8 +789,12 @@ endif ASFLAGS += $(ASFLAG_--noexecstack) LIBGCC_CFLAGS ?= $(CFLAGS) $(CPU_CFLAGS-y) -$(eval $(call cache-output-var,LIBGCC,$(CC) $(LIBGCC_CFLAGS) -print-libgcc-file-name)) -LIBGCC_DIR:=$(dir $(LIBGCC)) +$(eval $(call cache-output-var,LIBGCC_A,$(CC) $(LIBGCC_CFLAGS) -print-libgcc-file-name)) +$(eval $(call cache-output-var,LIBGCC_EH,$(CC) $(LIBGCC_CFLAGS) -print-file-name=libgcc_eh.a)) +# with -O0 we (e.g. lockf) might end up with references to +# _Unwind_Resume, so pull in gcc_eh in this case.. +LIBGCC_DIR := $(dir $(LIBGCC_A)) +LIBGCC := $(LIBGCC_A) $(if $(DODEBUG),$(LIBGCC_EH)) # moved from libpthread/linuxthreads ifeq ($(UCLIBC_CTOR_DTOR),y) diff --git a/include/.gitignore b/include/.gitignore index 636f8eecc..8f86c4c80 100644 --- a/include/.gitignore +++ b/include/.gitignore @@ -38,6 +38,7 @@ /sys/prctl.h /sys/procfs.h /sys/ptrace.h +/sys/random.h /sys/reg.h /sys/regdef.h /sys/signalfd.h diff --git a/ldso/ldso/Makefile.in b/ldso/ldso/Makefile.in index a0ae7b3cd..424131ccb 100644 --- a/ldso/ldso/Makefile.in +++ b/ldso/ldso/Makefile.in @@ -38,10 +38,13 @@ LDFLAGS-$(UCLIBC_LDSO_NAME).so := $(LDFLAGS) else LDFLAGS-$(UCLIBC_LDSO_NAME).so := $(LDFLAGS_NOSTRIP) -Wl,-z,defs endif -LDFLAGS-$(UCLIBC_LDSO_NAME).so += -Wl,-e,$(SYMBOL_PREFIX)_start -Wl,-z,now -Wl,-Bsymbolic \ +LDFLAGS-$(UCLIBC_LDSO_NAME).so += -Wl,-e,$(SYMBOL_PREFIX)_start \ + -Wl,-z,now -Wl,-Bsymbolic \ -Wl,--export-dynamic $(CFLAG_-Wl--sort-common) -Wl,--discard-locals \ $(CFLAG_-Wl--discard-all) -Wl,--no-undefined +LDFLAGS-$(LDSO_PRELINK_SUPPORT)-$(UCLIBC_LDSO_NAME).so += -Wl,-defsym=$(SYMBOL_PREFIX)_begin=0 + ldso_FULL_NAME := $(UCLIBC_LDSO_NAME)-$(VERSION).so $(UCLIBC_LDSO_NAME)_DIR := $(top_srcdir)ldso/ldso @@ -67,17 +70,9 @@ ldso-y := $($(UCLIBC_LDSO_NAME)_OBJS:.o=.oS) lib-so-y += $(ldso) objclean-y += CLEAN_ldso/ldso -ifeq ($(LDSO_PRELINK_SUPPORT),y) -# Use a specific linker script for ld.so -LDFLAGS-$(UCLIBC_LDSO_NAME).so += -T $(ldso:.$(ABI_VERSION)=).lds -endif - $(ldso): $(ldso:.$(ABI_VERSION)=) $(ldso:.$(ABI_VERSION)=): | $(top_builddir)lib $(ldso:.$(ABI_VERSION)=): $($(UCLIBC_LDSO_NAME)_OUT)/$(UCLIBC_LDSO_NAME)_so.a -ifeq ($(LDSO_PRELINK_SUPPORT),y) - $(call create-lds) -endif $(call link.so,$(ldso_FULL_NAME),$(ABI_VERSION)) $($(UCLIBC_LDSO_NAME)_OUT)/$(UCLIBC_LDSO_NAME)_so.a: $(ldso-y) diff --git a/libc/sysdeps/linux/arm/bits/syscalls.h b/libc/sysdeps/linux/arm/bits/syscalls.h index 778cc3453..e447a7b2d 100644 --- a/libc/sysdeps/linux/arm/bits/syscalls.h +++ b/libc/sysdeps/linux/arm/bits/syscalls.h @@ -53,15 +53,15 @@ { \ int _sys_buf[2]; \ register int __a1 __asm__ ("a1"); \ - register int *_v3 __asm__ ("v3") = _sys_buf; \ - *_v3 = (int) (name); \ + register int *__v3 __asm__ ("v3") = _sys_buf; \ + *__v3 = (int) (name); \ LOAD_ARGS_##nr (args) \ __asm__ __volatile__ ("str r7, [v3, #4]\n" \ "\tldr r7, [v3]\n" \ "\tswi 0 @ syscall " #name "\n" \ "\tldr r7, [v3, #4]" \ : "=r" (__a1) \ - : "r" (_v3) ASM_ARGS_##nr \ + : "r" (__v3) ASM_ARGS_##nr \ : "memory"); \ __internal_sys_result = __a1; \ } \ @@ -111,23 +111,22 @@ register int __a4 __asm__ ("a4") = __a4tmp; #define ASM_ARGS_4 ASM_ARGS_3, "r" (__a4) #define LOAD_ARGS_5(a1, a2, a3, a4, a5) \ - int _v1tmp = (int) (a5); \ + int __v1tmp = (int) (a5); \ LOAD_ARGS_4 (a1, a2, a3, a4) \ - register int _v1 __asm__ ("v1") = _v1tmp; -#define ASM_ARGS_5 ASM_ARGS_4, "r" (_v1) + register int __v1 __asm__ ("v1") = __v1tmp; +#define ASM_ARGS_5 ASM_ARGS_4, "r" (__v1) #define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6) \ - int _v2tmp = (int) (a6); \ + int __v2tmp = (int) (a6); \ LOAD_ARGS_5 (a1, a2, a3, a4, a5) \ - register int _v2 __asm__ ("v2") = _v2tmp; -#define ASM_ARGS_6 ASM_ARGS_5, "r" (_v2) + register int __v2 __asm__ ("v2") = __v2tmp; +#define ASM_ARGS_6 ASM_ARGS_5, "r" (__v2) #ifndef __thumb__ #define LOAD_ARGS_7(a1, a2, a3, a4, a5, a6, a7) \ - int _v3tmp = (int) (a7); \ + int __v3tmp = (int) (a7); \ LOAD_ARGS_6 (a1, a2, a3, a4, a5, a6) \ - register int _v3 __asm__ ("v3") = _v3tmp; -#define ASM_ARGS_7 ASM_ARGS_6, "r" (_v3) + register int __v3 __asm__ ("v3") = __v3tmp; +#define ASM_ARGS_7 ASM_ARGS_6, "r" (__v3) #endif - #endif /* __ASSEMBLER__ */ #endif /* _BITS_SYSCALLS_H */ diff --git a/librt/Makefile.in b/librt/Makefile.in index 1c1559c4a..1536a5cb9 100644 --- a/librt/Makefile.in +++ b/librt/Makefile.in @@ -13,19 +13,15 @@ LDFLAGS-$(UCLIBC_FORMAT_DSBT_ELF)-librt.so := -Wl,--dsbt-index=9 LDFLAGS-librt.so := $(LDFLAGS) LIBS-librt.so := $(LIBS) ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y) -LIBS-librt.so += $(top_builddir)lib/libdl.so $(top_builddir)lib/libpthread.so +LIBS-librt.so += $(top_builddir)lib/libpthread.so \ + $(CC_FLAG_ASNEEDED) $(top_builddir)lib/libdl.so $(CC_FLAG_NO_ASNEEDED) endif -START_FILE-librt.so := $(SHARED_START_FILES) -END_FILE-librt.so := $(SHARED_END_FILES) - librt_FULL_NAME := librt-$(VERSION).so librt_DIR := $(top_srcdir)librt librt_OUT := $(top_builddir)librt -ifeq ($(UCLIBC_HAS_REALTIME),y) - librt_SRC := $(notdir $(wildcard $(librt_DIR)/*.c)) librt_filter_SRC := ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y) @@ -45,8 +41,10 @@ librt_filter_SRC += $(if $(UCLIBC_HAS_ADVANCED_REALTIME),, \ spawn_faction_addopen.c \ spawn_faction_init.c) -librt_SRC := $(filter-out $(librt_filter_SRC),$(librt_SRC)) +librt_filter_SRC += $(if $(UCLIBC_HAS_STUBS),,rt_stubs.c) +librt_filter_SRC += $(if $(HAS_NO_THREADS),dso_handle.c) +librt_SRC := $(filter-out $(librt_filter_SRC),$(librt_SRC)) librt_OBJ := $(patsubst %.c,$(librt_OUT)/%.o,$(librt_SRC)) librt_OBJ += $(patsubst $(librt_DIR)/%.S,$(librt_OUT)/%.o,$(librt_SSRC)) @@ -60,15 +58,19 @@ librt-a-y += $(librt_OBJ) endif librt-so-y += $(librt_OBJ:.o=.oS) +ifeq ($(UCLIBC_HAS_REALTIME),y) lib-a-y += $(top_builddir)lib/librt.a lib-so-y += $(top_builddir)lib/librt.so endif +librt-dep-y := $(libc.depend) +librt-dep-$(UCLIBC_HAS_THREADS_NATIVE) += $(libpthread.depend) $(libdl.depend) -ifeq ($(DOPIC)$(UCLIBC_HAS_THREADS_NATIVE),yn) -$(top_builddir)lib/librt.so: $(top_builddir)lib/librt.a $(libc.depend) +# for NPTL we need SHARED regardless of DOPIC +ifeq ($(if $(UCLIBC_HAS_THREADS_NATIVE),,$(DOPIC)),y) +$(top_builddir)lib/librt.so: $(top_builddir)lib/librt.a $(librt-dep-y) else -$(top_builddir)lib/librt.so: $(librt_OUT)/librt_so.a $(libc.depend) $(libpthread.depend) $(libdl.depend) +$(top_builddir)lib/librt.so: $(librt_OUT)/librt_so.a $(librt-dep-y) endif $(call link.so,$(librt_FULL_NAME),$(ABI_VERSION)) diff --git a/librt/dso_handle.c b/librt/dso_handle.c new file mode 100644 index 000000000..633907103 --- /dev/null +++ b/librt/dso_handle.c @@ -0,0 +1,5 @@ +/* Copyright (C) 2015 Bernhard Reutner-Fischer + * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball. + */ + +const void *const __dso_handle attribute_hidden = &__dso_handle; |