+++ /dev/null
-/* ====================================================================
- * Copyright (c) 2005 The OpenSSL Project. Rights for redistribution
- * and usage in source and binary forms are granted according to the
- * OpenSSL license.
- */
-
-#include <stdio.h>
-#if defined(__DECC)
-# include <c_asm.h>
-# pragma __nostandard
-#endif
-
-const void *FIPS_text_start(void);
-const void *FIPS_text_end(void);
-
-#include "e_os.h"
-
-#if !defined(POINTER_TO_FUNCTION_IS_POINTER_TO_1ST_INSTRUCTION)
-# if (defined(__sun) && (defined(__sparc) || defined(__sparcv9))) || \
- (defined(__sgi) && (defined(__mips) || defined(mips))) || \
- (defined(__osf__) && defined(__alpha)) || \
- (defined(__linux) && (defined(__arm) || defined(__arm__))) || \
- (defined(__i386) || defined(__i386__)) || \
- (defined(__x86_64) || defined(__x86_64__)) || \
- (defined(vax) || defined(__vax__))
-# define POINTER_TO_FUNCTION_IS_POINTER_TO_1ST_INSTRUCTION
-# endif
-#endif
-
-#if !defined(FIPS_REF_POINT_IS_CROSS_COMPILER_AWARE)
-# if (defined(__ANDROID__) && (defined(__arm__) || defined(__arm) || \
- defined(__i386__)|| defined(__i386))) || \
- (defined(__vxworks) && (defined(__ppc__) || defined(__ppc) || \
- defined(__mips__)|| defined(__mips))) || \
- (defined(__linux) && ((defined(__PPC__) && !defined(__PPC64__)) || \
- defined(__arm__) || defined(__arm))) || \
- (defined(__APPLE__) /* verified on all MacOS X & iOS flavors */)|| \
- (defined(_WIN32) && defined(_MSC_VER))
-# define FIPS_REF_POINT_IS_CROSS_COMPILER_AWARE
-# endif
-#endif
-
-#if defined(__xlC__) && __xlC__>=0x600 && (defined(_POWER) || defined(_ARCH_PPC))
-static void *instruction_pointer_xlc(void);
-# pragma mc_func instruction_pointer_xlc {\
- "7c0802a6" /* mflr r0 */ \
- "48000005" /* bl $+4 */ \
- "7c6802a6" /* mflr r3 */ \
- "7c0803a6" /* mtlr r0 */ }
-# pragma reg_killed_by instruction_pointer_xlc gr0 gr3
-# define INSTRUCTION_POINTER_IMPLEMENTED(ret) (ret=instruction_pointer_xlc());
-#endif
-
-#ifdef FIPS_START
-# define FIPS_ref_point FIPS_text_start
-# ifdef FIPS_REF_POINT_IS_CROSS_COMPILER_AWARE
-# define instruction_pointer FIPS_text_startX
-# endif
-/* Some compilers put string literals into a separate segment. As we
- * are mostly interested to hash AES tables in .rodata, we declare
- * reference points accordingly. In case you wonder, the values are
- * big-endian encoded variable names, just to prevent these arrays
- * from being merged by linker. */
-# if defined(_MSC_VER)
-# pragma code_seg("fipstx")
-# pragma code_seg()
- __declspec(allocate("fipstx"))
-const unsigned int FIPS_text_startX[]=
- { 0x46495053, 0x5f746578, 0x745f7374, 0x61727458 };
-# pragma const_seg("fipsro$a")
-# pragma const_seg()
- __declspec(allocate("fipsro$a"))
-# endif
-const unsigned int FIPS_rodata_start[]=
- { 0x46495053, 0x5f726f64, 0x6174615f, 0x73746172 };
-#else
-# define FIPS_ref_point FIPS_text_end
-# ifdef FIPS_REF_POINT_IS_CROSS_COMPILER_AWARE
-# define instruction_pointer FIPS_text_endX
-# endif
-# if defined(_MSC_VER)
-# pragma code_seg("fipstx$z")
-# pragma code_seg()
- __declspec(allocate("fipstx$z"))
-const unsigned int FIPS_text_endX[]=
- { 0x46495053, 0x5f746578, 0x745f656e, 0x64585b5d };
-# pragma const_seg("fipsro$z")
-# pragma const_seg()
- __declspec(allocate("fipsro$z"))
-# endif
-const unsigned int FIPS_rodata_end[]=
- { 0x46495053, 0x5f726f64, 0x6174615f, 0x656e645b };
-#endif
-
-#if !defined(_MSC_VER) || !defined(instruction_pointer)
-/*
- * I declare reference function as static in order to avoid certain
- * pitfalls in -dynamic linker behaviour...
- */
-static void *instruction_pointer(void)
-{ void *ret=NULL;
-/* These are ABI-neutral CPU-specific snippets. ABI-neutrality means
- * that they are designed to work under any OS running on particular
- * CPU, which is why you don't find any #ifdef THIS_OR_THAT_OS in
- * this function. */
-#if defined(INSTRUCTION_POINTER_IMPLEMENTED)
- INSTRUCTION_POINTER_IMPLEMENTED(ret);
-#elif defined(__GNUC__) && __GNUC__>=2
-# if defined(__alpha) || defined(__alpha__)
-# define INSTRUCTION_POINTER_IMPLEMENTED
- __asm __volatile ( "br %0,1f\n1:" : "=r"(ret) );
-# elif defined(__i386) || defined(__i386__)
-# define INSTRUCTION_POINTER_IMPLEMENTED
- __asm __volatile ( "call 1f\n1: popl %0" : "=r"(ret) );
- ret = (void *)((size_t)ret&~3UL); /* align for better performance */
-# elif defined(__ia64) || defined(__ia64__)
-# define INSTRUCTION_POINTER_IMPLEMENTED
- __asm __volatile ( "mov %0=ip" : "=r"(ret) );
-# elif defined(__hppa) || defined(__hppa__) || defined(__pa_risc)
-# define INSTRUCTION_POINTER_IMPLEMENTED
- __asm __volatile ( "blr %%r0,%0\n\tnop" : "=r"(ret) );
- ret = (void *)((size_t)ret&~3UL); /* mask privilege level */
-# elif defined(__mips) || defined(__mips__)
-# define INSTRUCTION_POINTER_IMPLEMENTED
- void *scratch;
- __asm __volatile ( "move %1,$31\n\t" /* save ra */
- "bal .+8; nop\n\t"
- "move %0,$31\n\t"
- "move $31,%1" /* restore ra */
- : "=r"(ret),"=r"(scratch) );
-# elif defined(__ppc__) || defined(__ppc) || \
- defined(__powerpc) || defined(__powerpc__) || \
- defined(__POWERPC__) || defined(_POWER) || defined(__PPC__) || \
- defined(__PPC64__) || defined(__ppc64__) || defined(__powerpc64__)
-# define INSTRUCTION_POINTER_IMPLEMENTED
- void *scratch;
- __asm __volatile ( "mfspr %1,8\n\t" /* save lr */
- "bl $+4\n\t"
- "mfspr %0,8\n\t" /* mflr ret */
- "mtspr 8,%1" /* restore lr */
- : "=r"(ret),"=r"(scratch) );
-# elif defined(__s390__) || defined(__s390x__)
-# define INSTRUCTION_POINTER_IMPLEMENTED
- __asm __volatile ( "bras %0,1f\n1:" : "=r"(ret) );
- ret = (void *)((size_t)ret&~3UL);
-# elif defined(__sparc) || defined(__sparc__) || defined(__sparcv9)
-# define INSTRUCTION_POINTER_IMPLEMENTED
- void *scratch;
- __asm __volatile ( "mov %%o7,%1\n\t"
- "call .+8; nop\n\t"
- "mov %%o7,%0\n\t"
- "mov %1,%%o7"
- : "=r"(ret),"=r"(scratch) );
-# elif defined(__x86_64) || defined(__x86_64__)
-# define INSTRUCTION_POINTER_IMPLEMENTED
- __asm __volatile ( "leaq 0(%%rip),%0" : "=r"(ret) );
- ret = (void *)((size_t)ret&~3UL); /* align for better performance */
-# elif defined(__arm) || defined(__arm__)
-# define INSTRUCTION_POINTER_IMPLEMENTED
- __asm __volatile ( "sub %0,pc,#8" : "=r"(ret) );
-# endif
-#elif defined(__DECC) && defined(__alpha)
-# define INSTRUCTION_POINTER_IMPLEMENTED
- ret = (void *)(size_t)asm("br %v0,1f\n1:");
-#elif defined(_MSC_VER) && defined(_M_IX86)
-# define INSTRUCTION_POINTER_IMPLEMENTED
- void *scratch;
- _asm {
- call self
- self: pop eax
- mov scratch,eax
- }
- ret = (void *)((size_t)scratch&~3UL);
-#endif
- return ret;
-}
-#endif
-
-/*
- * This function returns pointer to an instruction in the vicinity of
- * its entry point, but not outside this object module. This guarantees
- * that sequestered code is covered...
- */
-const void *FIPS_ref_point()
-{
-#if defined(FIPS_REF_POINT_IS_CROSS_COMPILER_AWARE)
-# if defined(__thumb__) || defined(__thumb)
- return (void *)((size_t)instruction_pointer&~1);
-# else
- return (void *)instruction_pointer;
-# endif
-#elif defined(INSTRUCTION_POINTER_IMPLEMENTED)
- return instruction_pointer();
-/* Below we essentially cover vendor compilers which do not support
- * inline assembler... */
-#elif defined(_AIX)
- struct { void *ip,*gp,*env; } *p = (void *)instruction_pointer;
- return p->ip;
-#elif defined(_HPUX_SOURCE)
-# if defined(__hppa) || defined(__hppa__)
- struct { void *i[4]; } *p = (void *)FIPS_ref_point;
-
- if (sizeof(p) == 8) /* 64-bit */
- return p->i[2];
- else if ((size_t)p & 2)
- { p = (void *)((size_t)p&~3UL);
- return p->i[0];
- }
- else
- return (void *)p;
-# elif defined(__ia64) || defined(__ia64__)
- struct { unsigned long long ip,gp; } *p=(void *)instruction_pointer;
- return (void *)(size_t)p->ip;
-# endif
-#elif (defined(__VMS) || defined(VMS)) && !(defined(vax) || defined(__vax__))
- /* applies to both alpha and ia64 */
- struct { unsigned __int64 opaque,ip; } *p=(void *)instruction_pointer;
- return (void *)(size_t)p->ip;
-#elif defined(__VOS__)
- /* applies to both pa-risc and ia32 */
- struct { void *dp,*ip,*gp; } *p = (void *)instruction_pointer;
- return p->ip;
-#elif defined(_WIN32)
-# if defined(_WIN64) && defined(_M_IA64)
- struct { void *ip,*gp; } *p = (void *)FIPS_ref_point;
- return p->ip;
-# else
- return (void *)FIPS_ref_point;
-# endif
-/*
- * In case you wonder why there is no #ifdef __linux. All Linux targets
- * are GCC-based and therefore are covered by instruction_pointer above
- * [well, some are covered by by the one below]...
- */
-#elif defined(POINTER_TO_FUNCTION_IS_POINTER_TO_1ST_INSTRUCTION)
- return (void *)instruction_pointer;
-#else
- return NULL;
-#endif
-}
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