diff options
Diffstat (limited to 'sysdeps/x86')
| -rw-r--r-- | sysdeps/x86/sysdep.h | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/sysdeps/x86/sysdep.h b/sysdeps/x86/sysdep.h index 5a14ca5110..85d0a8c943 100644 --- a/sysdeps/x86/sysdep.h +++ b/sysdeps/x86/sysdep.h @@ -21,33 +21,6 @@ #include <sysdeps/generic/sysdep.h> -/* __CET__ is defined by GCC with Control-Flow Protection values: - -enum cf_protection_level -{ - CF_NONE = 0, - CF_BRANCH = 1 << 0, - CF_RETURN = 1 << 1, - CF_FULL = CF_BRANCH | CF_RETURN, - CF_SET = 1 << 2 -}; -*/ - -/* Set if CF_BRANCH (IBT) is enabled. */ -#define X86_FEATURE_1_IBT (1U << 0) -/* Set if CF_RETURN (SHSTK) is enabled. */ -#define X86_FEATURE_1_SHSTK (1U << 1) - -#ifdef __CET__ -# define CET_ENABLED 1 -# define IBT_ENABLED (__CET__ & X86_FEATURE_1_IBT) -# define SHSTK_ENABLED (__CET__ & X86_FEATURE_1_SHSTK) -#else -# define CET_ENABLED 0 -# define IBT_ENABLED 0 -# define SHSTK_ENABLED 0 -#endif - /* Offset for fxsave/xsave area used by _dl_runtime_resolve. Also need space to preserve RCX, RDX, RSI, RDI, R8, R9 and RAX. It must be aligned to 16 bytes for fxsave and 64 bytes for xsave. */ @@ -66,27 +39,10 @@ enum cf_protection_level /* Syntactic details of assembler. */ -#ifdef _CET_ENDBR -# define _CET_NOTRACK notrack -#else -# define _CET_ENDBR -# define _CET_NOTRACK -#endif - /* ELF uses byte-counts for .align, most others use log2 of count of bytes. */ #define ALIGNARG(log2) 1<<log2 #define ASM_SIZE_DIRECTIVE(name) .size name,.-name; -/* Define an entry point visible from C. */ -#define ENTRY_P2ALIGN(name, alignment) \ - .globl C_SYMBOL_NAME(name); \ - .type C_SYMBOL_NAME(name),@function; \ - .align ALIGNARG(alignment); \ - C_LABEL(name) \ - cfi_startproc; \ - _CET_ENDBR; \ - CALL_MCOUNT - /* Common entry 16 byte aligns. */ #define ENTRY(name) ENTRY_P2ALIGN (name, 4) |