diff options
Diffstat (limited to 'arch/x86/entry/vdso')
-rw-r--r-- | arch/x86/entry/vdso/Makefile | 7 | ||||
-rw-r--r-- | arch/x86/entry/vdso/vdso-layout.lds.S | 27 | ||||
-rw-r--r-- | arch/x86/entry/vdso/vdso2c.c | 8 |
3 files changed, 4 insertions, 38 deletions
diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile index 141d415a8c80..5bfe2243a08f 100644 --- a/arch/x86/entry/vdso/Makefile +++ b/arch/x86/entry/vdso/Makefile @@ -47,7 +47,7 @@ targets += $(vdso_img_sodbg) $(vdso_img-y:%=vdso%.so) CPPFLAGS_vdso.lds += -P -C VDSO_LDFLAGS_vdso.lds = -m elf_x86_64 -soname linux-vdso.so.1 --no-undefined \ - -z max-page-size=4096 -z common-page-size=4096 + -z max-page-size=4096 $(obj)/vdso64.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE $(call if_changed,vdso) @@ -98,7 +98,7 @@ CFLAGS_REMOVE_vvar.o = -pg CPPFLAGS_vdsox32.lds = $(CPPFLAGS_vdso.lds) VDSO_LDFLAGS_vdsox32.lds = -m elf32_x86_64 -soname linux-vdso.so.1 \ - -z max-page-size=4096 -z common-page-size=4096 + -z max-page-size=4096 # x32-rebranded versions vobjx32s-y := $(vobjs-y:.o=-x32.o) @@ -171,7 +171,8 @@ quiet_cmd_vdso = VDSO $@ sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@' VDSO_LDFLAGS = -shared $(call ld-option, --hash-style=both) \ - $(call ld-option, --build-id) -Bsymbolic + $(call ld-option, --build-id) $(call ld-option, --eh-frame-hdr) \ + -Bsymbolic GCOV_PROFILE := n # diff --git a/arch/x86/entry/vdso/vdso-layout.lds.S b/arch/x86/entry/vdso/vdso-layout.lds.S index acfd5ba7d943..93c6dc7812d0 100644 --- a/arch/x86/entry/vdso/vdso-layout.lds.S +++ b/arch/x86/entry/vdso/vdso-layout.lds.S @@ -7,16 +7,6 @@ * This script controls its layout. */ -#if defined(BUILD_VDSO64) -# define SHDR_SIZE 64 -#elif defined(BUILD_VDSO32) || defined(BUILD_VDSOX32) -# define SHDR_SIZE 40 -#else -# error unknown VDSO target -#endif - -#define NUM_FAKE_SHDRS 13 - SECTIONS { /* @@ -60,20 +50,8 @@ SECTIONS *(.bss*) *(.dynbss*) *(.gnu.linkonce.b.*) - - /* - * Ideally this would live in a C file, but that won't - * work cleanly for x32 until we start building the x32 - * C code using an x32 toolchain. - */ - VDSO_FAKE_SECTION_TABLE_START = .; - . = . + NUM_FAKE_SHDRS * SHDR_SIZE; - VDSO_FAKE_SECTION_TABLE_END = .; } :text - .fake_shstrtab : { *(.fake_shstrtab) } :text - - .note : { *(.note.*) } :text :note .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr @@ -87,11 +65,6 @@ SECTIONS .text : { *(.text*) } :text =0x90909090, - /* - * At the end so that eu-elflint stays happy when vdso2c strips - * these. A better implementation would avoid allocating space - * for these. - */ .altinstructions : { *(.altinstructions) } :text .altinstr_replacement : { *(.altinstr_replacement) } :text diff --git a/arch/x86/entry/vdso/vdso2c.c b/arch/x86/entry/vdso/vdso2c.c index 4674f58581a1..8e470b018512 100644 --- a/arch/x86/entry/vdso/vdso2c.c +++ b/arch/x86/entry/vdso/vdso2c.c @@ -76,8 +76,6 @@ enum { sym_hpet_page, sym_pvclock_page, sym_hvclock_page, - sym_VDSO_FAKE_SECTION_TABLE_START, - sym_VDSO_FAKE_SECTION_TABLE_END, }; const int special_pages[] = { @@ -98,12 +96,6 @@ struct vdso_sym required_syms[] = { [sym_hpet_page] = {"hpet_page", true}, [sym_pvclock_page] = {"pvclock_page", true}, [sym_hvclock_page] = {"hvclock_page", true}, - [sym_VDSO_FAKE_SECTION_TABLE_START] = { - "VDSO_FAKE_SECTION_TABLE_START", false - }, - [sym_VDSO_FAKE_SECTION_TABLE_END] = { - "VDSO_FAKE_SECTION_TABLE_END", false - }, {"VDSO32_NOTE_MASK", true}, {"__kernel_vsyscall", true}, {"__kernel_sigreturn", true}, |