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| author | Andy Polyakov <appro@openssl.org> | 2012-09-28 09:31:40 +0000 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2012-09-28 09:31:40 +0000 |
| commit | b460c8f89665d1207b3925b3646135d26466636d (patch) | |
| tree | c9a1b55fd8256b5c77eb7fd7989232a2f37cfe42 /crypto/sparc_arch.h | |
| parent | 27e0c86307151de7f20d249456f07eaca5d7123e (diff) | |
| download | openssl-b460c8f89665d1207b3925b3646135d26466636d.tar.gz | |
sparc_arch.h: add assembler helpers (and make it work on Solaris).
Submitted by: David Miller
Diffstat (limited to 'crypto/sparc_arch.h')
| -rw-r--r-- | crypto/sparc_arch.h | 62 |
1 files changed, 58 insertions, 4 deletions
diff --git a/crypto/sparc_arch.h b/crypto/sparc_arch.h index f675710307..1a8fca95b8 100644 --- a/crypto/sparc_arch.h +++ b/crypto/sparc_arch.h @@ -1,10 +1,6 @@ #ifndef __SPARC_ARCH_H__ #define __SPARC_ARCH_H__ -#if !__ASSEMBLER__ -extern unsigned int OPENSSL_sparcv9cap_P[]; -#endif - #define SPARCV9_TICK_PRIVILEGED (1<<0) #define SPARCV9_PREFER_FPU (1<<1) #define SPARCV9_VIS1 (1<<2) @@ -32,4 +28,62 @@ extern unsigned int OPENSSL_sparcv9cap_P[]; #define CFR_MONTSQR 0x00000400 /* Supports MONTSQR opcodes */ #define CFR_CRC32C 0x00000800 /* Supports CRC32C opcodes */ +#if defined(OPENSSL_PIC) && !defined(__PIC__) +# define __PIC__ #endif + +#define SPARC_PIC_THUNK(reg) \ + .align 32; \ +.Lpic_thunk: \ + jmp %o7 + 8; \ + add %o7, reg, reg; + +#define SPARC_PIC_THUNK_CALL(reg) \ + sethi %hi(_GLOBAL_OFFSET_TABLE_-4), reg; \ + call .Lpic_thunk; \ + or reg, %lo(_GLOBAL_OFFSET_TABLE_+4), reg; + +#if 1 +# define SPARC_SETUP_GOT_REG(reg) SPARC_PIC_THUNK_CALL(reg) +#else +# define SPARC_SETUP_GOT_REG(reg) \ + sethi %hi(_GLOBAL_OFFSET_TABLE_-4), reg; \ + call .+8; \ + or reg,%lo(_GLOBAL_OFFSET_TABLE_+4), reg; \ + add %o7, reg, reg +#endif + +#if (defined(__GNUC__) && defined(__arch64__)) || \ + (defined(__SUNPRO_C) && defined(__sparcv9)) + +# define SPARC_LOAD_ADDRESS(SYM, reg) \ + setx SYM, %o7, reg; +# define LDPTR ldx + +#else + +# define SPARC_LOAD_ADDRESS(SYM, reg) \ + set SYM, reg; +# define LDPTR ld +# define SPARC_LOAD_ADDRESS_LEAF(SYM,reg,tmp) SPARC_LOAD_ADDRESS(SYM,reg) + +#endif + +#ifdef __PIC__ +# undef SPARC_LOAD_ADDRESS +# undef SPARC_LOAD_ADDRESS_LEAF +# define SPARC_LOAD_ADDRESS(SYM, reg) \ + SPARC_SETUP_GOT_REG(reg); \ + sethi %hi(SYM), %o7; \ + or %o7, %lo(SYM), %o7; \ + LDPTR [reg + %o7], reg; +#endif + +#ifndef SPARC_LOAD_ADDRESS_LEAF +# define SPARC_LOAD_ADDRESS_LEAF(SYM, reg, tmp) \ + mov %o7, tmp; \ + SPARC_LOAD_ADDRESS(SYM, reg) \ + mov tmp, %o7; +#endif + +#endif /* __SPARC_ARCH_H__ */ |