diff options
Diffstat (limited to 'arch/x86/vdso/vdso-layout.lds.S')
-rw-r--r-- | arch/x86/vdso/vdso-layout.lds.S | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/arch/x86/vdso/vdso-layout.lds.S b/arch/x86/vdso/vdso-layout.lds.S index c84166cbcd2..e4cbc2145ba 100644 --- a/arch/x86/vdso/vdso-layout.lds.S +++ b/arch/x86/vdso/vdso-layout.lds.S @@ -6,6 +6,16 @@ * 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 16 + SECTIONS { . = SIZEOF_HEADERS; @@ -25,15 +35,29 @@ SECTIONS .dynamic : { *(.dynamic) } :text :dynamic - .rodata : { *(.rodata*) } :text + .rodata : { + *(.rodata*) + + /* + * 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 + .data : { - *(.data*) - *(.sdata*) - *(.got.plt) *(.got) - *(.gnu.linkonce.d.*) - *(.bss*) - *(.dynbss*) - *(.gnu.linkonce.b.*) + *(.data*) + *(.sdata*) + *(.got.plt) *(.got) + *(.gnu.linkonce.d.*) + *(.bss*) + *(.dynbss*) + *(.gnu.linkonce.b.*) } .altinstructions : { *(.altinstructions) } |