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PIC-ify SPARC assembler in alternative manner to eliminate dependency on

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OPENSSL_PIC macro.
This commit is contained in:
Andy Polyakov 2005-08-03 10:42:21 +00:00
parent 573969cd53
commit 45771abbd6
1 changed files with 45 additions and 39 deletions
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84
crypto/des/asm/des_enc.m4
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@ -43,7 +43,7 @@
! 100% faster than gcc-3.2.1 -m64 -mcpu=ultrasparc -O5
!
.ident "des_enc.m4 2.0"
.ident "des_enc.m4 2.1"
#if defined(__SUNPRO_C) && defined(__sparcv9)
# define ABI64 /* They've said -xarch=v9 at command line */
@ -1424,44 +1424,6 @@ DES_decrypt3:
.DES_decrypt3.end:
.size DES_decrypt3,.DES_decrypt3.end-DES_decrypt3
! input: out0 offset between .PIC.me.up and caller
! output: out0 pointer to .PIC.me.up
! out2 pointer to .des_and
! global1 pointer to DES_SPtrans
.align 32
.PIC.me.up:
add out0,%o7,out0 ! pointer to .PIC.me.up
#ifdef OPENSSL_PIC
! In case anybody wonders why this code is same for both ABI.
! To start with it is not. Do note LDPTR below. But of course
! you must be wondering why the rest of it does not contain
! things like %hh, %hm and %lm. Well, those are needed only
! if OpenSSL library *itself* will become larger than 4GB,
! which is not going to happen any time soon.
sethi %hi(DES_SPtrans),global1
or global1,%lo(DES_SPtrans),global1
sethi %hi(_GLOBAL_OFFSET_TABLE_-(.PIC.me.up-.)),out2
add global1,out0,global1
add out2,%lo(_GLOBAL_OFFSET_TABLE_-(.PIC.me.up-.)),out2
LDPTR [out2+global1],global1
#elif 0
setn DES_SPtrans,out2,global1 ! synthetic instruction !
#elif defined(ABI64)
sethi %hh(DES_SPtrans),out2
or out2,%hm(DES_SPtrans),out2
sethi %lm(DES_SPtrans),global1
or global1,%lo(DES_SPtrans),global1
sllx out2,32,out2
or out2,global1,global1
#else
sethi %hi(DES_SPtrans),global1
or global1,%lo(DES_SPtrans),global1
#endif
retl
add out0,.des_and-.PIC.me.up,out2
.align 256
.type .des_and,#object
.size .des_and,284
@ -1516,6 +1478,50 @@ DES_decrypt3:
.word 0 ! 276
.word LOOPS ! 280
.word 0x0000FC00 ! 284
.PIC.DES_SPtrans:
.word %r_disp32(DES_SPtrans)
! input: out0 offset between .PIC.me.up and caller
! output: out0 pointer to .PIC.me.up
! out2 pointer to .des_and
! global1 pointer to DES_SPtrans
.align 32
.PIC.me.up:
add out0,%o7,out0 ! pointer to .PIC.me.up
#if 1
ld [out0+(.PIC.DES_SPtrans-.PIC.me.up)],global1
add global1,(.PIC.DES_SPtrans-.PIC.me.up),global1
add global1,out0,global1
#else
# ifdef OPENSSL_PIC
! In case anybody wonders why this code is same for both ABI.
! To start with it is not. Do note LDPTR below. But of course
! you must be wondering why the rest of it does not contain
! things like %hh, %hm and %lm. Well, those are needed only
! if OpenSSL library *itself* will become larger than 4GB,
! which is not going to happen any time soon.
sethi %hi(DES_SPtrans),global1
or global1,%lo(DES_SPtrans),global1
sethi %hi(_GLOBAL_OFFSET_TABLE_-(.PIC.me.up-.)),out2
add global1,out0,global1
add out2,%lo(_GLOBAL_OFFSET_TABLE_-(.PIC.me.up-.)),out2
LDPTR [out2+global1],global1
# elif 0
setn DES_SPtrans,out2,global1 ! synthetic instruction !
# elif defined(ABI64)
sethi %hh(DES_SPtrans),out2
or out2,%hm(DES_SPtrans),out2
sethi %lm(DES_SPtrans),global1
or global1,%lo(DES_SPtrans),global1
sllx out2,32,out2
or out2,global1,global1
# else
sethi %hi(DES_SPtrans),global1
or global1,%lo(DES_SPtrans),global1
# endif
#endif
retl
add out0,.des_and-.PIC.me.up,out2
! void DES_ncbc_encrypt(input, output, length, schedule, ivec, enc)
! *****************************************************************