Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-04-06 05:34:22 +00:00
Code Issues Projects Releases Packages Wiki Activity

[CRT]

Browse source 
- Make all x86assembly ML compatible
- Remove memcpy, it was duplicated from memmove, copy the label instead
- Guard some code against compilation on msvc, as these functions are intrinsics on MSVC and cannot be implemented
- Fix some x64 assembly (don't modify stack below rsp)

svn path=/branches/cmake-bringup/; revision=49421
This commit is contained in:
Timo Kreuzer 2010-11-02 00:06:33 +00:00
parent 0d7a1c46a0
commit a3623f23de
49 changed files with 912 additions and 918 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
lib/sdk/crt/CMakeLists.txt
View file

@ -335,7 +335,6 @@ list(APPEND CRT_SOURCE
math/i386/ldexp.c
math/i386/sqrtf.c
mem/i386/memchr_asm.s
mem/i386/memcpy_asm.s
mem/i386/memmove_asm.s
mem/i386/memset_asm.s
string/i386/strcat_asm.s
@ -516,7 +515,6 @@ endif(ARCH MATCHES i386)
if(ARCH MATCHES i386)
list(APPEND LIBCNTPR_SOURCE
mem/i386/memchr_asm.s
mem/i386/memcpy_asm.s
mem/i386/memmove_asm.s
mem/i386/memset_asm.s
string/i386/strcat_asm.s

70
lib/sdk/crt/except/i386/chkstk_asm.s
View file

@ -7,8 +7,13 @@
* PROGRAMER: KJK::Hyperion <noog@libero.it>
*/
.globl __chkstk
.globl __alloca_probe
#include <reactos/asm.h>
#include <ndk/asm.h>
#define PAGE_SIZE 4096
PUBLIC __chkstk
PUBLIC __alloca_probe
.code
/*
_chkstk() is called by all stack allocations of more than 4 KB. It grows the
@ -18,49 +23,50 @@
__chkstk:
__alloca_probe:
/* EAX = size to be allocated */
/* save the ECX register */
pushl %ecx
/* EAX = size to be allocated */
/* save the ECX register */
push ecx
/* ECX = top of the previous stack frame */
leal 8(%esp), %ecx
/* ECX = top of the previous stack frame */
lea eax, [esp + 8]
/* probe the desired memory, page by page */
cmpl $0x1000, %eax
jge .l_MoreThanAPage
jmp .l_LessThanAPage
/* probe the desired memory, page by page */
cmp eax, PAGE_SIZE
jge .l_MoreThanAPage
jmp .l_LessThanAPage
.l_MoreThanAPage:
/* raise the top of the stack by a page and probe */
subl $0x1000, %ecx
testl %eax, 0(%ecx)
/* raise the top of the stack by a page and probe */
sub ecx, PAGE_SIZE
test [ecx], eax
/* loop if still more than a page must be probed */
subl $0x1000, %eax
cmpl $0x1000, %eax
jge .l_MoreThanAPage
/* loop if still more than a page must be probed */
sub eax, PAGE_SIZE
cmp eax, PAGE_SIZE
jge .l_MoreThanAPage
.l_LessThanAPage:
/* raise the top of the stack by EAX bytes (size % 4096) and probe */
subl %eax, %ecx
testl %eax, 0(%ecx)
/* raise the top of the stack by EAX bytes (size % 4096) and probe */
sub ecx, eax
test [ecx], eax
/* EAX = top of the stack */
movl %esp, %eax
/* EAX = top of the stack */
mov eax, esp
/* allocate the memory */
movl %ecx, %esp
/* allocate the memory */
mov esp, ecx
/* restore ECX */
movl 0(%eax), %ecx
/* restore ECX */
mov ecx, [eax]
/* restore the return address */
movl 4(%eax), %eax
pushl %eax
/* restore the return address */
mov eax, [eax + 4]
push eax
/* return */
ret
/* return */
ret
/* EOF */
END

36
lib/sdk/crt/except/i386/seh.s
View file

@ -8,24 +8,26 @@
/* INCLUDES ******************************************************************/
#include <reactos/asm.h>
#include <ndk/asm.h>
.intel_syntax noprefix
#define DISPOSITION_DISMISS 0
#define DISPOSITION_CONTINUE_SEARCH 1
#define DISPOSITION_COLLIDED_UNWIND 3
EXTERN _RtlUnwind@16:PROC
/* GLOBALS *******************************************************************/
.globl __global_unwind2
.globl __local_unwind2
.globl __abnormal_termination
.globl __except_handler2
.globl __except_handler3
PUBLIC __global_unwind2
PUBLIC __local_unwind2
PUBLIC __abnormal_termination
PUBLIC __except_handler2
PUBLIC __except_handler3
/* FUNCTIONS *****************************************************************/
.func unwind_handler
.code
_unwind_handler:
/* Check if we were unwinding and continue search if not */
@ -56,9 +58,8 @@ _unwind_handler:
unwind_handler_return:
ret
.endfunc
.func _global_unwind2
__global_unwind2:
/* Create stack and save all registers */
@ -85,9 +86,8 @@ glu_return:
mov esp, ebp
pop ebp
ret
.endfunc
.func _abnormal_termination
__abnormal_termination:
/* Assume false */
@ -112,9 +112,8 @@ __abnormal_termination:
/* Return */
ab_return:
ret
.endfunc
.func _local_unwind2
__local_unwind2:
/* Save volatiles */
@ -175,9 +174,8 @@ unwind_return:
pop esi
pop ebx
ret
.endfunc
.func _except_handler2
__except_handler2:
/* Setup stack and save volatiles */
@ -256,7 +254,7 @@ except_loop2:
mov [ebx+12], eax
/* Call except handler */
call [edi+ecx*4+8]
call dword ptr [edi+ecx*4+8]
except_continue2:
/* Reload try level and except again */
@ -297,9 +295,8 @@ except_return2:
mov esp, ebp
pop ebp
ret
.endfunc
.func _except_handler3
__except_handler3:
/* Setup stack and save volatiles */
@ -437,4 +434,5 @@ except_return3:
mov esp, ebp
pop ebp
ret
.endfunc
END

2
lib/sdk/crt/math/abs.c
View file

@ -1,5 +1,6 @@
/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
#ifndef _MSC_VER
/*
* @implemented
*/
@ -8,3 +9,4 @@ abs(int j)
{
return j<0 ? -j : j;
}
#endif

26
lib/sdk/crt/math/amd64/ceilf.S
View file

@ -17,24 +17,28 @@
PUBLIC ceilf
ceilf:
sub rsp, 16
/* Put parameter on the stack */
movss [rsp - 0x10], xmm0
fld dword ptr [rsp]
movss [rsp], xmm0
fld dword ptr [rsp]
/* Change fpu control word to round up */
fstcw [rsp - 0x10]
mov eax, [rsp - 0x10]
or eax, 0x00800
and eax, 0x0fbff
mov [rsp - 0x08], eax
fldcw [rsp - 0x08]
fstcw [rsp + 8]
mov eax, [rsp + 8]
or eax, 0x00800
and eax, 0x0fbff
mov [rsp + 12], eax
fldcw [rsp + 12]
/* Round to integer */
frndint
/* Restore fpu control word */
fldcw [rsp - 0x10]
fldcw [rsp + 8]
fstp dword ptr [rsp - 0x10]
movss xmm0, [rsp - 0x10]
fstp dword ptr [rsp]
movss xmm0, [rsp]
add rsp, 16
ret

21
lib/sdk/crt/math/amd64/floorf.S
View file

@ -17,24 +17,29 @@
PUBLIC floorf
floorf:
sub rsp, 16
/* Put parameter on the stack */
movss [rsp - 0x10], xmm0
movss [rsp], xmm0
fld dword ptr [rsp]
/* Change fpu control word to round down */
fstcw [rsp - 0x10]
mov eax, [rsp - 0x10]
fstcw [rsp]
mov eax, [rsp]
or eax, 0x00400
and eax, 0x0f7ff
mov [rsp - 0x08], eax
fldcw [rsp - 0x08]
mov [rsp + 8], eax
fldcw [rsp + 8]
/* Round to integer */
frndint
/* Restore fpu control word */
fldcw [rsp - 0x10]
fldcw [rsp]
fstp dword ptr [rsp - 0x10]
movss xmm0, [rsp - 0x10]
fstp dword ptr [rsp]
movss xmm0, [rsp]
add rsp, 16
ret
END

18
lib/sdk/crt/math/i386/alldiv_asm.s
View file

@ -33,18 +33,22 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl __alldiv
.globl __fltused
#include <reactos/asm.h>
PUBLIC __alldiv
PUBLIC __fltused
/* DATA ********************************************************************/
.data
ASSUME CS:NOTHING, DS:NOTHING, ES:NOTHING, FS:NOTHING, GS:NOTHING
__fltused:
.long 0x9875
.long HEX(9875)
.intel_syntax noprefix
/* FUNCTIONS ***************************************************************/
.code
//
// lldiv - signed long divide
@ -222,3 +226,5 @@ L8:
pop edi
ret 16
END

51
lib/sdk/crt/math/i386/alldvrm_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl __alldvrm
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC __alldvrm
/* FUNCTIONS ***************************************************************/
.code
__alldvrm:
push edi
@ -88,7 +89,7 @@ __alldvrm:
mov eax,DVNDHI // hi word of a
or eax,eax // test to see if signed
jge short ....L1 // skip rest if a is already positive
jge short .L1 // skip rest if a is already positive
inc edi // complement result sign flag
inc ebp // complement result sign flag
mov edx,DVNDLO // lo word of a
@ -97,10 +98,10 @@ __alldvrm:
sbb eax,0
mov DVNDHI,eax // save positive value
mov DVNDLO,edx
....L1:
.L1:
mov eax,DVSRHI // hi word of b
or eax,eax // test to see if signed
jge short ....L2 // skip rest if b is already positive
jge short .L2 // skip rest if b is already positive
inc edi // complement the result sign flag
mov edx,DVSRLO // lo word of a
neg eax // make b positive
@ -108,7 +109,7 @@ __alldvrm:
sbb eax,0
mov DVSRHI,eax // save positive value
mov DVSRLO,edx
....L2:
.L2:
//
// Now do the divide. First look to see if the divisor is less than 4194304K.
@ -119,7 +120,7 @@ __alldvrm:
//
or eax,eax // check to see if divisor < 4194304K
jnz short ....L3 // nope, gotta do this the hard way
jnz short .L3 // nope, gotta do this the hard way
mov ecx,DVSRLO // load divisor
mov eax,DVNDHI // load high word of dividend
xor edx,edx
@ -137,24 +138,24 @@ __alldvrm:
mov eax,esi // set up low word of quotient
mul dword ptr DVSRLO // LOWORD(QUOT) * DVSR
add edx,ecx // EDX:EAX = QUOT * DVSR
jmp short ....L4 // complete remainder calculation
jmp short .L4 // complete remainder calculation
//
// Here we do it the hard way. Remember, eax contains the high word of DVSR
//
....L3:
.L3:
mov ebx,eax // ebx:ecx <- divisor
mov ecx,DVSRLO
mov edx,DVNDHI // edx:eax <- dividend
mov eax,DVNDLO
....L5:
.L5:
shr ebx,1 // shift divisor right one bit
rcr ecx,1
shr edx,1 // shift dividend right one bit
rcr eax,1
or ebx,ebx
jnz short ....L5 // loop until divisor < 4194304K
jnz short .L5 // loop until divisor < 4194304K
div ecx // now divide, ignore remainder
mov esi,eax // save quotient
@ -170,7 +171,7 @@ __alldvrm:
mov eax,DVSRLO
mul esi // QUOT * DVSRLO
add edx,ecx // EDX:EAX = QUOT * DVSR
jc short ....L6 // carry means Quotient is off by 1
jc short .L6 // carry means Quotient is off by 1
//
// do long compare here between original dividend and the result of the
@ -179,18 +180,18 @@ __alldvrm:
//
cmp edx,DVNDHI // compare hi words of result and original
ja short ....L6 // if result > original, do subtract
jb short ....L7 // if result < original, we are ok
ja short .L6 // if result > original, do subtract
jb short .L7 // if result < original, we are ok
cmp eax,DVNDLO // hi words are equal, compare lo words
jbe short ....L7 // if less or equal we are ok, else subtract
....L6:
jbe short .L7 // if less or equal we are ok, else subtract
.L6:
dec esi // subtract 1 from quotient
sub eax,DVSRLO // subtract divisor from result
sbb edx,DVSRHI
....L7:
.L7:
xor ebx,ebx // ebx:esi <- quotient
....L4:
.L4:
//
// Calculate remainder by subtracting the result from the original dividend.
// Since the result is already in a register, we will do the subtract in the
@ -208,7 +209,7 @@ __alldvrm:
//
dec ebp // check result sign flag
jns short ....L9 // result is ok, set up the quotient
jns short .L9 // result is ok, set up the quotient
neg edx // otherwise, negate the result
neg eax
sbb edx,0
@ -216,7 +217,7 @@ __alldvrm:
//
// Now we need to get the quotient into edx:eax and the remainder into ebx:ecx.
//
....L9:
.L9:
mov ecx,edx
mov edx,ebx
mov ebx,ecx
@ -229,7 +230,7 @@ __alldvrm:
//
dec edi // check to see if result is negative
jnz short ....L8 // if EDI == 0, result should be negative
jnz short .L8 // if EDI == 0, result should be negative
neg edx // otherwise, negate the result
neg eax
sbb edx,0
@ -238,9 +239,11 @@ __alldvrm:
// Restore the saved registers and return.
//
....L8:
.L8:
pop ebp
pop esi
pop edi
ret 16
END

8
lib/sdk/crt/math/i386/allmul_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl __allmul
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC __allmul
/* FUNCTIONS ***************************************************************/
.code
//
// llmul - long multiply routine
@ -113,3 +114,4 @@ hard:
ret 16 // callee restores the stack
END

11
lib/sdk/crt/math/i386/allrem_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl __allrem
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC __allrem
/* FUNCTIONS ***************************************************************/
.code
//
// llrem - signed long remainder
@ -227,3 +228,5 @@ __allrem :
pop ebx
ret 16
END

9
lib/sdk/crt/math/i386/allshl_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl __allshl
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC __allshl
/* FUNCTIONS ***************************************************************/
.code
//
// llshl - long shift left
@ -92,3 +93,5 @@ RETZERO:
xor eax,eax
xor edx,edx
ret
END

11
lib/sdk/crt/math/i386/allshr_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl __allshr
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC __allshr
/* FUNCTIONS ***************************************************************/
.code
//
// llshr - long shift right
@ -93,3 +94,5 @@ __allshr:
sar edx,31
mov eax,edx
ret
END

11
lib/sdk/crt/math/i386/atan_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl _atan
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC _atan
/* FUNCTIONS ***************************************************************/
.code
_atan:
push ebp
@ -48,3 +49,5 @@ _atan:
fpatan // Take the arctangent
pop ebp
ret
END

33
lib/sdk/crt/math/i386/aulldiv_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl __aulldiv
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC __aulldiv
/* FUNCTIONS ***************************************************************/
.code
//
// ulldiv - unsigned long divide
@ -105,7 +106,7 @@ __aulldiv:
mov eax,DVSRHI // check to see if divisor < 4194304K
or eax,eax
jnz short ..L1 // nope, gotta do this the hard way
jnz short .L1 // nope, gotta do this the hard way
mov ecx,DVSRLO // load divisor
mov eax,DVNDHI // load high word of dividend
xor edx,edx
@ -114,24 +115,24 @@ __aulldiv:
mov eax,DVNDLO // edx:eax <- remainder:lo word of dividend
div ecx // get low order bits of quotient
mov edx,ebx // edx:eax <- quotient hi:quotient lo
jmp short ..L2 // restore stack and return
jmp short .L2 // restore stack and return
//
// Here we do it the hard way. Remember, eax contains DVSRHI
//
..L1:
.L1:
mov ecx,eax // ecx:ebx <- divisor
mov ebx,DVSRLO
mov edx,DVNDHI // edx:eax <- dividend
mov eax,DVNDLO
..L3:
.L3:
shr ecx,1 // shift divisor right one bit// hi bit <- 0
rcr ebx,1
shr edx,1 // shift dividend right one bit// hi bit <- 0
rcr eax,1
or ecx,ecx
jnz short ..L3 // loop until divisor < 4194304K
jnz short .L3 // loop until divisor < 4194304K
div ebx // now divide, ignore remainder
mov esi,eax // save quotient
@ -147,7 +148,7 @@ __aulldiv:
mov eax,DVSRLO
mul esi // QUOT * DVSRLO
add edx,ecx // EDX:EAX = QUOT * DVSR
jc short ..L4 // carry means Quotient is off by 1
jc short .L4 // carry means Quotient is off by 1
//
// do long compare here between original dividend and the result of the
@ -156,13 +157,13 @@ __aulldiv:
//
cmp edx,DVNDHI // compare hi words of result and original
ja short ..L4 // if result > original, do subtract
jb short ..L5 // if result < original, we are ok
ja short .L4 // if result > original, do subtract
jb short .L5 // if result < original, we are ok
cmp eax,DVNDLO // hi words are equal, compare lo words
jbe short ..L5 // if less or equal we are ok, else subtract
..L4:
jbe short .L5 // if less or equal we are ok, else subtract
.L4:
dec esi // subtract 1 from quotient
..L5:
.L5:
xor edx,edx // edx:eax <- quotient
mov eax,esi
@ -171,9 +172,11 @@ __aulldiv:
// Restore the saved registers and return.
//
..L2:
.L2:
pop esi
pop ebx
ret 16
END

35
lib/sdk/crt/math/i386/aulldvrm_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl __aulldvrm
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC __aulldvrm
/* FUNCTIONS ***************************************************************/
.code
__aulldvrm:
@ -101,7 +102,7 @@ __aulldvrm:
mov eax,DVSRHI // check to see if divisor < 4194304K
or eax,eax
jnz short .....L1 // nope, gotta do this the hard way
jnz short .L1 // nope, gotta do this the hard way
mov ecx,DVSRLO // load divisor
mov eax,DVNDHI // load high word of dividend
xor edx,edx
@ -120,24 +121,24 @@ __aulldvrm:
mov eax,esi // set up low word of quotient
mul dword ptr DVSRLO // LOWORD(QUOT) * DVSR
add edx,ecx // EDX:EAX = QUOT * DVSR
jmp short .....L2 // complete remainder calculation
jmp short .L2 // complete remainder calculation
//
// Here we do it the hard way. Remember, eax contains DVSRHI
//
.....L1:
.L1:
mov ecx,eax // ecx:ebx <- divisor
mov ebx,DVSRLO
mov edx,DVNDHI // edx:eax <- dividend
mov eax,DVNDLO
.....L3:
.L3:
shr ecx,1 // shift divisor right one bit// hi bit <- 0
rcr ebx,1
shr edx,1 // shift dividend right one bit// hi bit <- 0
rcr eax,1
or ecx,ecx
jnz short .....L3 // loop until divisor < 4194304K
jnz short .L3 // loop until divisor < 4194304K
div ebx // now divide, ignore remainder
mov esi,eax // save quotient
@ -153,7 +154,7 @@ __aulldvrm:
mov eax,DVSRLO
mul esi // QUOT * DVSRLO
add edx,ecx // EDX:EAX = QUOT * DVSR
jc short .....L4 // carry means Quotient is off by 1
jc short .L4 // carry means Quotient is off by 1
//
// do long compare here between original dividend and the result of the
@ -162,18 +163,18 @@ __aulldvrm:
//
cmp edx,DVNDHI // compare hi words of result and original
ja short .....L4 // if result > original, do subtract
jb short .....L5 // if result < original, we are ok
ja short .L4 // if result > original, do subtract
jb short .L5 // if result < original, we are ok
cmp eax,DVNDLO // hi words are equal, compare lo words
jbe short .....L5 // if less or equal we are ok, else subtract
.....L4:
jbe short .L5 // if less or equal we are ok, else subtract
.L4:
dec esi // subtract 1 from quotient
sub eax,DVSRLO // subtract divisor from result
sbb edx,DVSRHI
.....L5:
.L5:
xor ebx,ebx // ebx:esi <- quotient
.....L2:
.L2:
//
// Calculate remainder by subtracting the result from the original dividend.
// Since the result is already in a register, we will do the subtract in the
@ -202,3 +203,5 @@ __aulldvrm:
pop esi
ret 16
END

35
lib/sdk/crt/math/i386/aullrem_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl __aullrem
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC __aullrem
/* FUNCTIONS ***************************************************************/
.code
//
// ullrem - unsigned long remainder
@ -101,7 +102,7 @@ __aullrem:
mov eax,DVSRHI // check to see if divisor < 4194304K
or eax,eax
jnz short ...L1 // nope, gotta do this the hard way
jnz short .L1 // nope, gotta do this the hard way
mov ecx,DVSRLO // load divisor
mov eax,DVNDHI // load high word of dividend
xor edx,edx
@ -110,24 +111,24 @@ __aullrem:
div ecx // edx <- final remainder
mov eax,edx // edx:eax <- remainder
xor edx,edx
jmp short ...L2 // restore stack and return
jmp short .L2 // restore stack and return
//
// Here we do it the hard way. Remember, eax contains DVSRHI
//
...L1:
.L1:
mov ecx,eax // ecx:ebx <- divisor
mov ebx,DVSRLO
mov edx,DVNDHI // edx:eax <- dividend
mov eax,DVNDLO
...L3:
.L3:
shr ecx,1 // shift divisor right one bit// hi bit <- 0
rcr ebx,1
shr edx,1 // shift dividend right one bit// hi bit <- 0
rcr eax,1
or ecx,ecx
jnz short ...L3 // loop until divisor < 4194304K
jnz short .L3 // loop until divisor < 4194304K
div ebx // now divide, ignore remainder
//
@ -142,7 +143,7 @@ __aullrem:
xchg ecx,eax // put partial product in ECX, get quotient in EAX
mul dword ptr DVSRLO
add edx,ecx // EDX:EAX = QUOT * DVSR
jc short ...L4 // carry means Quotient is off by 1
jc short .L4 // carry means Quotient is off by 1
//
// do long compare here between original dividend and the result of the
@ -151,14 +152,14 @@ __aullrem:
//
cmp edx,DVNDHI // compare hi words of result and original
ja short ...L4 // if result > original, do subtract
jb short ...L5 // if result < original, we're ok
ja short .L4 // if result > original, do subtract
jb short .L5 // if result < original, we're ok
cmp eax,DVNDLO // hi words are equal, compare lo words
jbe short ...L5 // if less or equal we're ok, else subtract
...L4:
jbe short .L5 // if less or equal we're ok, else subtract
.L4:
sub eax,DVSRLO // subtract divisor from result
sbb edx,DVSRHI
...L5:
.L5:
//
// Calculate remainder by subtracting the result from the original dividend.
@ -177,8 +178,10 @@ __aullrem:
// Restore the saved registers and return.
//
...L2:
.L2:
pop ebx
ret 16
END

19
lib/sdk/crt/math/i386/aullshr_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl __aullshr
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC __aullshr
/* FUNCTIONS ***************************************************************/
.code
//
// ullshr - long shift right
@ -65,13 +66,13 @@ __aullshr:
// depends only on the high order bit of edx).
//
cmp cl,64
jae short ..RETZERO
jae short .RETZERO
//
// Handle shifts of between 0 and 31 bits
//
cmp cl, 32
jae short ..MORE32
jae short .MORE32
shrd eax,edx,cl
shr edx,cl
ret
@ -79,7 +80,7 @@ __aullshr:
//
// Handle shifts of between 32 and 63 bits
//
..MORE32:
.MORE32:
mov eax,edx
xor edx,edx
and cl,31
@ -89,7 +90,9 @@ __aullshr:
//
// return 0 in edx:eax
//
..RETZERO:
.RETZERO:
xor eax,eax
xor edx,edx
ret
END

11
lib/sdk/crt/math/i386/ceil_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl _ceil
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC _ceil
/* FUNCTIONS ***************************************************************/
.code
_ceil:
push ebp
@ -47,7 +48,7 @@ _ceil:
fld qword ptr [ebp+8] // Load real from stack
fstcw [ebp-2] // Save control word
fclex // Clear exceptions
mov word ptr [ebp-4],0xb63 // Rounding control word
mov word ptr [ebp-4], HEX(0b63) // Rounding control word
fldcw [ebp-4] // Set new rounding control
frndint // Round to integer
fclex // Clear exceptions
@ -55,3 +56,5 @@ _ceil:
mov esp,ebp // Deallocate temporary space
pop ebp
ret
END

53
lib/sdk/crt/math/i386/ceilf.S
View file

@ -3,53 +3,34 @@
* This file is part of the w64 mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#include <_mingw_mac.h>
.file "ceilf.S"
.text
.align 4
.globl __MINGW_USYMBOL(ceilf)
.def __MINGW_USYMBOL(ceilf); .scl 2; .type 32; .endef
__MINGW_USYMBOL(ceilf):
#ifdef _WIN64
subq $24,%rsp
movss %xmm0,8(%rsp)
flds 8(%rsp)
#include <reactos/asm.h>
fstcw 4(%rsp) /* store fpu control word */
.code
.align 4
movl $0x0800,%edx /* round towards +oo */
orl 4(%rsp),%edx
andl $0xfbff,%edx
movl %edx,(%rsp)
fldcw (%rsp) /* load modified control word */
PUBLIC _ceilf
_ceilf:
frndint /* round */
fld dword ptr [esp + 4]
sub esp, 8
fldcw 4(%rsp) /* restore original control word */
fstps 8(%rsp)
movss 8(%rsp),%xmm0
addq $24,%rsp
ret
#else
flds 4(%esp)
subl $8,%esp
fstcw 4(%esp) /* store fpu control word */
fstcw [esp + 4] /* store fpu control word */
/* We use here %edx although only the low 1 bits are defined.
But none of the operations should care and they are faster
than the 16 bit operations. */
movl $0x0800,%edx /* round towards +oo */
orl 4(%esp),%edx
andl $0xfbff,%edx
movl %edx,(%esp)
fldcw (%esp) /* load modified control word */
mov edx, [esp + 4]
or edx, HEX(0800) /* round towards +oo */
and edx, HEX(fbff)
mov [esp], edx
fldcw [esp] /* load modified control word */
frndint /* round */
fldcw 4(%esp) /* restore original control word */
fldcw [esp + 4] /* restore original control word */
addl $8,%esp
add esp, 8
ret
#endif
END

9
lib/sdk/crt/math/i386/cos_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl _cos
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC _cos
/* FUNCTIONS ***************************************************************/
.code
_cos:
push ebp
@ -47,3 +48,5 @@ _cos:
fcos // Take the cosine
pop ebp
ret
END

11
lib/sdk/crt/math/i386/fabs_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl _fabs
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC _fabs
/* FUNCTIONS ***************************************************************/
.code
_fabs:
push ebp
@ -47,3 +48,5 @@ _fabs:
fabs // Take the absolute value
pop ebp
ret
END

13
lib/sdk/crt/math/i386/floor_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl _floor
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC _floor
/* FUNCTIONS ***************************************************************/
.code
_floor:
push ebp
@ -47,7 +48,7 @@ _floor:
fld qword ptr [ebp+8] // Load real from stack
fstcw [ebp-2] // Save control word
fclex // Clear exceptions
mov word ptr [ebp-4],0x763 // Rounding control word
mov word ptr [ebp-4], HEX(0763) // Rounding control word
fldcw [ebp-4] // Set new rounding control
frndint // Round to integer
fclex // Clear exceptions
@ -55,3 +56,5 @@ _floor:
mov esp,ebp
pop ebp
ret
END

57
lib/sdk/crt/math/i386/floorf.S
View file

@ -7,57 +7,34 @@
* Removed header file dependency for use in libmingwex.a by
* Danny Smith <dannysmith@users.sourceforge.net>
*/
#include <_mingw_mac.h>
.file "floorf.S"
.text
#ifdef _WIN64
.align 8
#else
.align 4
#endif
.globl __MINGW_USYMBOL(floorf)
.def __MINGW_USYMBOL(floorf); .scl 2; .type 32; .endef
__MINGW_USYMBOL(floorf):
#ifdef _WIN64
subq $24,%rsp
movss %xmm0,8(%rsp)
flds 8(%rsp)
#include <reactos/asm.h>
fstcw 4(%rsp) /* store fpu control word */
movl $0x400,%edx /* round towards -oo */
orl 4(%rsp),%edx
andl $0xf7ff,%edx
movl %edx,(%rsp)
fldcw (%rsp) /* load modified control word */
.code
.align 4
frndint /* round */
PUBLIC _floorf
_floorf:
fldcw 4(%rsp) /* restore original control word */
fld dword ptr [esp + 4]
sub esp, 8
fstps 8(%rsp)
movss 8(%rsp),%xmm0
addq $24,%rsp
ret
#else
flds 4(%esp)
subl $8,%esp
fstcw 4(%esp) /* store fpu control word */
fstcw [esp + 4] /* store fpu control word */
/* We use here %edx although only the low 1 bits are defined.
But none of the operations should care and they are faster
than the 16 bit operations. */
movl $0x400,%edx /* round towards -oo */
orl 4(%esp),%edx
andl $0xf7ff,%edx
movl %edx,(%esp)
fldcw (%esp) /* load modified control word */
mov edx, [esp + 4]
or edx, HEX(0400) /* round towards -oo */
and edx, HEX(0f7ff)
mov [esp], edx
fldcw [esp] /* load modified control word */
frndint /* round */
fldcw 4(%esp) /* restore original control word */
fldcw [esp + 4] /* restore original control word */
addl $8,%esp
add esp, 8
ret
#endif
END

13
lib/sdk/crt/math/i386/ftol_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl __ftol
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC __ftol
/* FUNCTIONS ***************************************************************/
.code
/*
* This routine is called by MSVC-generated code to convert from floating point
@ -54,7 +55,7 @@ __ftol:
fstcw [ebp-2]
wait
mov ax, [ebp-2]
or ah, 0xC
or ah, 12
mov [ebp-4], ax
fldcw [ebp-4]
@ -71,3 +72,5 @@ __ftol:
/* Remove stack frame and return*/
leave
ret
END

8
lib/sdk/crt/math/i386/log10_asm.s
View file

@ -7,12 +7,13 @@
* PROGRAMER: Magnus Olsen (magnus@greatlord.com)
*
*/
.globl _log10
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC _log10
/* FUNCTIONS ***************************************************************/
.code
_log10:
@ -25,3 +26,4 @@ _log10:
pop ebp
ret
END

11
lib/sdk/crt/math/i386/log_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl _log
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC _log
/* FUNCTIONS ***************************************************************/
.code
_log:
push ebp
@ -49,3 +50,5 @@ _log:
fyl2x // Compute the natural log(x)
pop ebp
ret
END

371
lib/sdk/crt/math/i386/pow_asm.s
View file

@ -19,41 +19,54 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* Reacros modifications */
/* Reactos modifications */
#include <reactos/asm.h>
#define ALIGNARG(log2) log2
#define ASM_TYPE_DIRECTIVE(name,typearg)
#define ASM_SIZE_DIRECTIVE(name)
#define cfi_adjust_cfa_offset(x)
#define ENTRY(x)
#define END(x)
.global _pow
PUBLIC _pow
.data
.text
ASSUME CS:NOTHING, DS:NOTHING, ES:NOTHING, FS:NOTHING, GS:NOTHING
.align ALIGNARG(4)
ASM_TYPE_DIRECTIVE(infinity,@object)
inf_zero:
infinity:
.byte 0, 0, 0, 0, 0, 0, 0xf0, 0x7f
.byte 0, 0, 0, 0, 0, 0, HEX(f0), HEX(7f)
ASM_SIZE_DIRECTIVE(infinity)
ASM_TYPE_DIRECTIVE(zero,@object)
zero: .double 0.0
zero:
.double 0.0
ASM_SIZE_DIRECTIVE(zero)
ASM_TYPE_DIRECTIVE(minf_mzero,@object)
minf_mzero:
minfinity:
.byte 0, 0, 0, 0, 0, 0, 0xf0, 0xff
.byte 0, 0, 0, 0, 0, 0, HEX(f0), HEX(ff)
mzero:
.byte 0, 0, 0, 0, 0, 0, 0, 0x80
.byte 0, 0, 0, 0, 0, 0, 0, HEX(80)
ASM_SIZE_DIRECTIVE(minf_mzero)
ASM_TYPE_DIRECTIVE(one,@object)
one: .double 1.0
one:
.double 1.0
ASM_SIZE_DIRECTIVE(one)
ASM_TYPE_DIRECTIVE(limit,@object)
limit: .double 0.29
limit:
.double 0.29
ASM_SIZE_DIRECTIVE(limit)
ASM_TYPE_DIRECTIVE(p63,@object)
p63: .byte 0, 0, 0, 0, 0, 0, 0xe0, 0x43
p63:
.byte 0, 0, 0, 0, 0, 0, HEX(e0), HEX(43)
ASM_SIZE_DIRECTIVE(p63)
#ifdef PIC
@ -61,308 +74,310 @@ p63: .byte 0, 0, 0, 0, 0, 0, 0xe0, 0x43
#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
#else
#define MO(op) op
#define MOX(op,x,f) op(,x,f)
#define MOX(op,x,f) op[x*f]
#endif
.code
.text
_pow:
ENTRY(__ieee754_pow)
fldl 12(%esp) // y
fld qword ptr [esp + 12] // y
fxam
#ifdef PIC
LOAD_PIC_REG (cx)
#endif
fnstsw
movb %ah, %dl
andb $0x45, %ah
cmpb $0x40, %ah // is y == 0 ?
je 11f
fnstsw ax
mov dl, ah
and ah, HEX(045)
cmp ah, HEX(040) // is y == 0 ?
je L11
cmpb $0x05, %ah // is y == ±inf ?
je 12f
cmp ah, 5 // is y == ±inf ?
je L12
cmpb $0x01, %ah // is y == NaN ?
je 30f
cmp ah, 1 // is y == NaN ?
je L30
fldl 4(%esp) // x : y
fld qword ptr [esp + 4] // x : y
subl $8,%esp
sub esp, 8
cfi_adjust_cfa_offset (8)
fxam
fnstsw
movb %ah, %dh
andb $0x45, %ah
cmpb $0x40, %ah
je 20f // x is ±0
fnstsw ax
mov dh, ah
and ah, HEX(45)
cmp ah, HEX(040)
je L20 // x is ±0
cmpb $0x05, %ah
je 15f // x is ±inf
cmp ah, 5
je L15 // x is ±inf
fxch // y : x
fxch st(1) // y : x
/* fistpll raises invalid exception for |y| >= 1L<<63. */
fld %st // y : y : x
fld st // y : y : x
fabs // |y| : y : x
fcompl MO(p63) // y : x
fnstsw
fcomp qword ptr MO(p63) // y : x
fnstsw ax
sahf
jnc 2f
jnc L2
/* First see whether `y' is a natural number. In this case we
can use a more precise algorithm. */
fld %st // y : y : x
fistpll (%esp) // y : x
fildll (%esp) // int(y) : y : x
fucomp %st(1) // y : x
fnstsw
fld st // y : y : x
fistp qword ptr [esp] // y : x
fild qword ptr [esp] // int(y) : y : x
fucomp st(1) // y : x
fnstsw ax
sahf
jne 2f
jne L2
/* OK, we have an integer value for y. */
popl %eax
pop eax
cfi_adjust_cfa_offset (-4)
popl %edx
pop edx
cfi_adjust_cfa_offset (-4)
orl $0, %edx
fstp %st(0) // x
jns 4f // y >= 0, jump
fdivrl MO(one) // 1/x (now referred to as x)
negl %eax
adcl $0, %edx
negl %edx
4: fldl MO(one) // 1 : x
fxch
or edx, 0
fstp st // x
jns L4 // y >= 0, jump
fdivr qword ptr MO(one) // 1/x (now referred to as x)
neg eax
adc edx, 0
neg edx
L4: fld qword ptr MO(one) // 1 : x
fxch st(1)
6: shrdl $1, %edx, %eax
jnc 5f
fxch
fmul %st(1) // x : ST*x
fxch
5: fmul %st(0), %st // x*x : ST*x
shrl $1, %edx
movl %eax, %ecx
orl %edx, %ecx
jnz 6b
fstp %st(0) // ST*x
L6: shrd eax, edx, 1
jnc L5
fxch st(1)
fmul st, st(1) // x : ST*x
fxch st(1)
L5: fmul st, st // x*x : ST*x
shr edx, 1
mov ecx, eax
or ecx, edx
jnz L6
fstp st // ST*x
ret
/* y is ±NAN */
30: fldl 4(%esp) // x : y
fldl MO(one) // 1.0 : x : y
fucomp %st(1) // x : y
fnstsw
L30:
fld qword ptr [esp + 4] // x : y
fld qword ptr MO(one) // 1.0 : x : y
fucomp st(1) // x : y
fnstsw ax
sahf
je 31f
fxch // y : x
31: fstp %st(1)
je L31
fxch st(1) // y : x
L31:fstp st(1)
ret
cfi_adjust_cfa_offset (8)
.align ALIGNARG(4)
2: /* y is a real number. */
fxch // x : y
fldl MO(one) // 1.0 : x : y
fldl MO(limit) // 0.29 : 1.0 : x : y
fld %st(2) // x : 0.29 : 1.0 : x : y
fsub %st(2) // x-1 : 0.29 : 1.0 : x : y
L2: /* y is a real number. */
fxch st(1) // x : y
fld qword ptr MO(one) // 1.0 : x : y
fld qword ptr MO(limit) // 0.29 : 1.0 : x : y
fld st(2) // x : 0.29 : 1.0 : x : y
fsub st, st(2) // x-1 : 0.29 : 1.0 : x : y
fabs // |x-1| : 0.29 : 1.0 : x : y
fucompp // 1.0 : x : y
fnstsw
fxch // x : 1.0 : y
fnstsw ax
fxch st(1) // x : 1.0 : y
sahf
ja 7f
fsub %st(1) // x-1 : 1.0 : y
ja L7
fsub st, st(1) // x-1 : 1.0 : y
fyl2xp1 // log2(x) : y
jmp 8f
jmp L8
7: fyl2x // log2(x) : y
8: fmul %st(1) // y*log2(x) : y
fst %st(1) // y*log2(x) : y*log2(x)
L7: fyl2x // log2(x) : y
L8: fmul st, st(1) // y*log2(x) : y
fst st(1) // y*log2(x) : y*log2(x)
frndint // int(y*log2(x)) : y*log2(x)
fsubr %st, %st(1) // int(y*log2(x)) : fract(y*log2(x))
fsubr st(1), st // int(y*log2(x)) : fract(y*log2(x))
fxch // fract(y*log2(x)) : int(y*log2(x))
f2xm1 // 2^fract(y*log2(x))-1 : int(y*log2(x))
faddl MO(one) // 2^fract(y*log2(x)) : int(y*log2(x))
fadd qword ptr MO(one) // 2^fract(y*log2(x)) : int(y*log2(x))
fscale // 2^fract(y*log2(x))*2^int(y*log2(x)) : int(y*log2(x))
addl $8, %esp
add esp, 8
cfi_adjust_cfa_offset (-8)
fstp %st(1) // 2^fract(y*log2(x))*2^int(y*log2(x))
fstp st(1) // 2^fract(y*log2(x))*2^int(y*log2(x))
ret
// pow(x,±0) = 1
.align ALIGNARG(4)
11: fstp %st(0) // pop y
fldl MO(one)
L11:fstp st(0) // pop y
fld qword ptr MO(one)
ret
// y == ±inf
.align ALIGNARG(4)
12: fstp %st(0) // pop y
fldl MO(one) // 1
fldl 4(%esp) // x : 1
L12: fstp st(0) // pop y
fld qword ptr MO(one) // 1
fld qword ptr [esp + 4] // x : 1
fabs // abs(x) : 1
fucompp // < 1, == 1, or > 1
fnstsw
andb $0x45, %ah
cmpb $0x45, %ah
je 13f // jump if x is NaN
fnstsw ax
and ah, HEX(45)
cmp ah, HEX(45)
je L13 // jump if x is NaN
cmpb $0x40, %ah
je 14f // jump if |x| == 1
cmp ah, HEX(40)
je L14 // jump if |x| == 1
shlb $1, %ah
xorb %ah, %dl
andl $2, %edx
fldl MOX(inf_zero, %edx, 4)
shl ah, 1
xor dl, ah
and edx, 2
fld qword ptr MOX(inf_zero, edx, 4)
ret
.align ALIGNARG(4)
14: fldl MO(one)
L14:fld qword ptr MO(one)
ret
.align ALIGNARG(4)
13: fldl 4(%esp) // load x == NaN
L13:fld qword ptr [esp + 4] // load x == NaN
ret
cfi_adjust_cfa_offset (8)
.align ALIGNARG(4)
// x is ±inf
15: fstp %st(0) // y
testb $2, %dh
jz 16f // jump if x == +inf
L15: fstp st(0) // y
test dh, 2
jz L16 // jump if x == +inf
// We must find out whether y is an odd integer.
fld %st // y : y
fistpll (%esp) // y
fildll (%esp) // int(y) : y
fld st // y : y
fistp qword ptr [esp] // y
fild qword ptr [esp] // int(y) : y
fucompp // <empty>
fnstsw
fnstsw ax
sahf
jne 17f
jne L17
// OK, the value is an integer, but is the number of bits small
// enough so that all are coming from the mantissa?
popl %eax
pop eax
cfi_adjust_cfa_offset (-4)
popl %edx
pop edx
cfi_adjust_cfa_offset (-4)
andb $1, %al
jz 18f // jump if not odd
movl %edx, %eax
orl %edx, %edx
jns 155f
negl %eax
155: cmpl $0x00200000, %eax
ja 18f // does not fit in mantissa bits
and al, 1
jz L18 // jump if not odd
mov eax, edx
or edx, edx
jns L155
neg eax
L155:
cmp eax, HEX(000200000)
ja L18 // does not fit in mantissa bits
// It's an odd integer.
shrl $31, %edx
fldl MOX(minf_mzero, %edx, 8)
shr edx, 31
fld qword ptr MOX(minf_mzero, edx, 8)
ret
cfi_adjust_cfa_offset (8)
.align ALIGNARG(4)
16: fcompl MO(zero)
addl $8, %esp
L16:fcomp qword ptr MO(zero)
add esp, 8
cfi_adjust_cfa_offset (-8)
fnstsw
shrl $5, %eax
andl $8, %eax
fldl MOX(inf_zero, %eax, 1)
fnstsw ax
shr eax, 5
and eax, 8
fld qword ptr MOX(inf_zero, eax, 1)
ret
cfi_adjust_cfa_offset (8)
.align ALIGNARG(4)
17: shll $30, %edx // sign bit for y in right position
addl $8, %esp
L17: shl ecx, 30 // sign bit for y in right position
add esp, 8
cfi_adjust_cfa_offset (-8)
18: shrl $31, %edx
fldl MOX(inf_zero, %edx, 8)
L18: shr edx, 31
fld qword ptr MOX(inf_zero, edx, 8)
ret
cfi_adjust_cfa_offset (8)
.align ALIGNARG(4)
// x is ±0
20: fstp %st(0) // y
testb $2, %dl
jz 21f // y > 0
L20: fstp st(0) // y
test dl, 2
jz L21 // y > 0
// x is ±0 and y is < 0. We must find out whether y is an odd integer.
testb $2, %dh
jz 25f
test dh, 2
jz L25
fld %st // y : y
fistpll (%esp) // y
fildll (%esp) // int(y) : y
fld st // y : y
fistp qword ptr [esp] // y
fild qword ptr [esp] // int(y) : y
fucompp // <empty>
fnstsw
fnstsw ax
sahf
jne 26f
jne L26
// OK, the value is an integer, but is the number of bits small
// enough so that all are coming from the mantissa?
popl %eax
pop eax
cfi_adjust_cfa_offset (-4)
popl %edx
pop edx
cfi_adjust_cfa_offset (-4)
andb $1, %al
jz 27f // jump if not odd
cmpl $0xffe00000, %edx
jbe 27f // does not fit in mantissa bits
and al, 1
jz L27 // jump if not odd
cmp edx, HEX(0ffe00000)
jbe L27 // does not fit in mantissa bits
// It's an odd integer.
// Raise divide-by-zero exception and get minus infinity value.
fldl MO(one)
fdivl MO(zero)
fld qword ptr MO(one)
fdiv qword ptr MO(zero)
fchs
ret
cfi_adjust_cfa_offset (8)
25: fstp %st(0)
26: addl $8, %esp
L25: fstp st(0)
L26: add esp, 8
cfi_adjust_cfa_offset (-8)
27: // Raise divide-by-zero exception and get infinity value.
fldl MO(one)
fdivl MO(zero)
L27: // Raise divide-by-zero exception and get infinity value.
fld qword ptr MO(one)
fdiv qword ptr MO(zero)
ret
cfi_adjust_cfa_offset (8)
.align ALIGNARG(4)
// x is ±0 and y is > 0. We must find out whether y is an odd integer.
21: testb $2, %dh
jz 22f
L21:test dh, 2
jz L22
fld %st // y : y
fistpll (%esp) // y
fildll (%esp) // int(y) : y
fld st // y : y
fistp qword ptr [esp] // y
fild qword ptr [esp] // int(y) : y
fucompp // <empty>
fnstsw
fnstsw ax
sahf
jne 23f
jne L23
// OK, the value is an integer, but is the number of bits small
// enough so that all are coming from the mantissa?
popl %eax
pop eax
cfi_adjust_cfa_offset (-4)
popl %edx
pop edx
cfi_adjust_cfa_offset (-4)
andb $1, %al
jz 24f // jump if not odd
cmpl $0xffe00000, %edx
jae 24f // does not fit in mantissa bits
and al, 1
jz L24 // jump if not odd
cmp edx, HEX(0ffe00000)
jae L24 // does not fit in mantissa bits
// It's an odd integer.
fldl MO(mzero)
fld qword ptr MO(mzero)
ret
cfi_adjust_cfa_offset (8)
22: fstp %st(0)
23: addl $8, %esp // Don't use 2 x pop
L22: fstp st(0)
L23: add esp, 8 // Don't use 2 x pop
cfi_adjust_cfa_offset (-8)
24: fldl MO(zero)
L24: fld qword ptr MO(zero)
ret
END(__ieee754_pow)
END

9
lib/sdk/crt/math/i386/sin_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl _sin
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC _sin
/* FUNCTIONS ***************************************************************/
.code
_sin:
push ebp // Save register bp
@ -47,3 +48,5 @@ _sin:
fsin // Take the sine
pop ebp // Restore register bp
ret
END

11
lib/sdk/crt/math/i386/sqrt_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl _sqrt
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC _sqrt
/* FUNCTIONS ***************************************************************/
.code
_sqrt:
push ebp
@ -47,3 +48,5 @@ _sqrt:
fsqrt // Take the square root
pop ebp
ret
END

11
lib/sdk/crt/math/i386/tan_asm.s
View file

@ -33,12 +33,13 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.globl _tan
.intel_syntax noprefix
#include <reactos/asm.h>
PUBLIC _tan
/* FUNCTIONS ***************************************************************/
.code
_tan:
push ebp
@ -50,3 +51,5 @@ _tan:
mov esp,ebp // Deallocate temporary space
pop ebp
ret
END

2
lib/sdk/crt/math/labs.c
View file

@ -1,5 +1,6 @@
/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
#ifndef _MSC_VER
/*
* @implemented
*/
@ -8,3 +9,4 @@ labs(long j)
{
return j<0 ? -j : j;
}
#endif

33
lib/sdk/crt/mem/i386/memchr_asm.s
View file

@ -5,28 +5,33 @@
* FILE: lib/sdk/crt/mem/i386/memchr.s
*/
#include <reactos/asm.h>
/*
* void* memchr(const void* s, int c, size_t n)
*/
.globl _memchr
PUBLIC _memchr
.code
_memchr:
push %ebp
mov %esp,%ebp
push %edi
mov 0x8(%ebp),%edi
mov 0xc(%ebp),%eax
mov 0x10(%ebp),%ecx
push ebp
mov ebp, esp
push edi
mov edi, [ebp + 8]
mov eax, [ebp + 12]
mov ecx, [ebp + 16]
cld
jecxz .Lnotfound
repne scasb
je .Lfound
jecxz .Lnotfound
repne scasb
je .Lfound
.Lnotfound:
mov $1,%edi
mov edi, 1
.Lfound:
mov %edi,%eax
dec %eax
pop %edi
mov eax, edi
dec eax
pop edi
leave
ret
END

114
lib/sdk/crt/mem/i386/memcpy_asm.s
View file

@ -1,114 +0,0 @@
/*
* void *memcpy (void *to, const void *from, size_t count)
*
* NOTE: This code is a duplicate of memmove function from memmove_asm.s
*/
.globl _memcpy
_memcpy:
push %ebp
mov %esp,%ebp
push %esi
push %edi
mov 8(%ebp),%edi
mov 12(%ebp),%esi
mov 16(%ebp),%ecx
cmp %esi,%edi
jbe .CopyUp
mov %ecx,%eax
add %esi,%eax
cmp %eax,%edi
jb .CopyDown
.CopyUp:
cld
cmp $16,%ecx
jb .L1
mov %ecx,%edx
test $3,%edi
je .L2
/*
* Make the destination dword aligned
*/
mov %edi,%ecx
and $3,%ecx
sub $5,%ecx
not %ecx
sub %ecx,%edx
rep movsb
mov %edx,%ecx
.L2:
shr $2,%ecx
rep movsl
mov %edx,%ecx
and $3,%ecx
.L1:
test %ecx,%ecx
je .L3
rep movsb
.L3:
mov 8(%ebp),%eax
pop %edi
pop %esi
leave
ret
.CopyDown:
std
add %ecx,%edi
add %ecx,%esi
cmp $16,%ecx
jb .L4
mov %ecx,%edx
test $3,%edi
je .L5
/*
* Make the destination dword aligned
*/
mov %edi,%ecx
and $3,%ecx
sub %ecx,%edx
dec %esi
dec %edi
rep movsb
mov %edx,%ecx
sub $3,%esi
sub $3,%edi
.L6:
shr $2,%ecx
rep movsl
mov %edx,%ecx
and $3,%ecx
je .L7
add $3,%esi
add $3,%edi
.L8:
rep movsb
.L7:
cld
mov 8(%ebp),%eax
pop %edi
pop %esi
leave
ret
.L5:
sub $4,%edi
sub $4,%esi
jmp .L6
.L4:
test %ecx,%ecx
je .L7
dec %esi
dec %edi
jmp .L8

158
lib/sdk/crt/mem/i386/memmove_asm.s
View file

@ -1,114 +1,120 @@
/*
* void *memmove (void *to, const void *from, size_t count)
* void *memcpy (void *to, const void *from, size_t count)
*
* NOTE: This code is duplicated in memcpy_asm.s
* NOTE: This code is a duplicate of memmove function from memmove_asm.s
*/
.globl _memmove
#include <reactos/asm.h>
PUBLIC _memcpy
PUBLIC _memmove
.code
_memcpy:
_memmove:
push %ebp
mov %esp,%ebp
push ebp
mov ebp, esp
push %esi
push %edi
push esi
push edi
mov 8(%ebp),%edi
mov 12(%ebp),%esi
mov 16(%ebp),%ecx
mov edi, [ebp + 8]
mov esi, [ebp + 12]
mov ecx, [ebp + 16]
cmp %esi,%edi
cmp edi, esi
jbe .CopyUp
mov %ecx,%eax
add %esi,%eax
cmp %eax,%edi
jb .CopyDown
mov eax, ecx
add eax, esi
cmp edi, eax
jb .CopyDown
.CopyUp:
cld
cmp $16,%ecx
jb .L1
mov %ecx,%edx
test $3,%edi
je .L2
cmp ecx, 16
jb .L1
mov edx, ecx
test edi, 3
je .L2
/*
* Make the destination dword aligned
*/
mov %edi,%ecx
and $3,%ecx
sub $5,%ecx
not %ecx
sub %ecx,%edx
rep movsb
mov %edx,%ecx
mov ecx, edi
and ecx, 3
sub ecx, 5
not ecx
sub edx, ecx
rep movsb
mov ecx, edx
.L2:
shr $2,%ecx
rep movsl
mov %edx,%ecx
and $3,%ecx
shr ecx, 2
rep movsd
mov ecx, edx
and ecx, 3
.L1:
test %ecx,%ecx
je .L3
rep movsb
test ecx, ecx
je .L3
rep movsb
.L3:
mov 8(%ebp),%eax
pop %edi
pop %esi
mov eax, [ebp + 8]
pop edi
pop esi
leave
ret
.CopyDown:
std
std
add %ecx,%edi
add %ecx,%esi
add edi, ecx
add esi, ecx
cmp $16,%ecx
jb .L4
mov %ecx,%edx
test $3,%edi
je .L5
cmp ecx, 16
jb .L4
mov edx, ecx
test edi, 3
je .L5
/*
* Make the destination dword aligned
*/
mov %edi,%ecx
and $3,%ecx
sub %ecx,%edx
dec %esi
dec %edi
rep movsb
mov %edx,%ecx
mov ecx, edi
and ecx, 3
sub edx, ecx
dec esi
dec edi
rep movsb
mov ecx, edx
sub $3,%esi
sub $3,%edi
sub esi, 3
sub edi, 3
.L6:
shr $2,%ecx
rep movsl
mov %edx,%ecx
and $3,%ecx
je .L7
add $3,%esi
add $3,%edi
shr ecx, 2
rep movsd
mov ecx, edx
and ecx, 3
je .L7
add esi, 3
add edi, 3
.L8:
rep movsb
rep movsb
.L7:
cld
mov 8(%ebp),%eax
pop %edi
pop %esi
mov eax, [ebp + 8]
pop edi
pop esi
leave
ret
.L5:
sub $4,%edi
sub $4,%esi
jmp .L6
.L4:
test %ecx,%ecx
je .L7
dec %esi
dec %edi
jmp .L8
sub edi, 4
sub esi, 4
jmp .L6
.L4:
test ecx, ecx
je .L7
dec esi
dec edi
jmp .L8
END

64
lib/sdk/crt/mem/i386/memset_asm.s
View file

@ -2,46 +2,50 @@
* $Id$
*/
#include <reactos/asm.h>
/*
* void *memset (void *src, int val, size_t count)
*/
.globl _memset
PUBLIC _memset
.code
_memset:
push %ebp
mov %esp,%ebp
push %edi
mov 0x8(%ebp),%edi
movzb 0xc(%ebp),%eax
mov 0x10(%ebp),%ecx
push ebp
mov ebp, esp
push edi
mov edi, [ebp + 8]
movzx eax, byte ptr [ebp + 12]
mov ecx, [ebp + 16]
cld
cmp $16,%ecx
jb .L1
mov $0x01010101,%edx
mul %edx
mov %ecx,%edx
test $3,%edi
je .L2
mov %edi,%ecx
and $3,%ecx
sub $5,%ecx
not %ecx
sub %ecx,%edx
rep stosb
mov %edx,%ecx
cmp ecx, 16
jb .L1
mov edx, HEX(01010101)
mul edx
mov edx, ecx
test edi, 3
je .L2
mov ecx, edi
and ecx, 3
sub ecx, 5
not ecx
sub edx, ecx
rep stosb
mov ecx, edx
.L2:
shr $2,%ecx
rep stosl
mov %edx,%ecx
and $3,%ecx
shr ecx, 2
rep stosd
mov ecx, edx
and ecx, 3
.L1:
test %ecx,%ecx
je .L3
rep stosb
test ecx, ecx
je .L3
rep stosb
.L3:
pop %edi
mov 0x8(%ebp),%eax
pop edi
mov eax, [ebp + 8]
leave
ret
END

4
lib/sdk/crt/mem/memcmp.c
View file

@ -2,6 +2,8 @@
* $Id$
*/
#ifndef _MSC_VER
#include <string.h>
int memcmp(const void *s1, const void *s2, size_t n)
@ -15,3 +17,5 @@ int memcmp(const void *s1, const void *s2, size_t n)
}
return 0;
}
#endif

72
lib/sdk/crt/setjmp/i386/setjmp.s
View file

@ -9,6 +9,9 @@
* complete implementation
*/
#include <reactos/asm.h>
#include <ndk/asm.h>
#define JB_BP 0
#define JB_BX 1
#define JB_DI 2
@ -20,6 +23,7 @@
#define JMPBUF 4
.code
/*
* int
* _setjmp(jmp_buf env);
@ -33,20 +37,20 @@
* Notes:
* Sets up the jmp_buf
*/
.globl __setjmp
PUBLIC __setjmp
__setjmp:
xorl %eax, %eax
movl JMPBUF(%esp), %edx
xor eax, eax
mov edx, JMPBUF[esp]
/* Save registers. */
movl %ebp, (JB_BP*4)(%edx) /* Save caller's frame pointer. */
movl %ebx, (JB_BX*4)(%edx)
movl %edi, (JB_DI*4)(%edx)
movl %esi, (JB_SI*4)(%edx)
leal JMPBUF(%esp), %ecx /* Save SP as it will be after we return. */
movl %ecx, (JB_SP*4)(%edx)
movl PCOFF(%esp), %ecx /* Save PC we are returning to now. */
movl %ecx, (JB_IP*4)(%edx)
mov [edx + JB_BP*4], ebp /* Save caller's frame pointer. */
mov [edx + JB_BX*4], ebx
mov [edx + JB_DI*4], edi
mov [edx + JB_SI*4], esi
lea ecx, JMPBUF[esp] /* Save SP as it will be after we return. */
mov [edx + JB_SP*4], ecx
mov ecx, PCOFF[esp] /* Save PC we are returning to now. */
mov [edx + JB_IP*4], ecx
ret
/*
@ -62,24 +66,22 @@ __setjmp:
* Notes:
* Sets up the jmp_buf
*/
.globl __setjmp3
PUBLIC __setjmp3
__setjmp3:
xorl %eax, %eax
movl JMPBUF(%esp), %edx
xor eax, eax
mov edx, JMPBUF[esp]
/* Save registers. */
movl %ebp, (JB_BP*4)(%edx) /* Save caller's frame pointer. */
movl %ebx, (JB_BX*4)(%edx)
movl %edi, (JB_DI*4)(%edx)
movl %esi, (JB_SI*4)(%edx)
leal JMPBUF(%esp), %ecx /* Save SP as it will be after we return. */
movl %ecx, (JB_SP*4)(%edx)
movl PCOFF(%esp), %ecx /* Save PC we are returning to now. */
movl %ecx, (JB_IP*4)(%edx)
mov [edx + JB_BP*4], ebp /* Save caller's frame pointer. */
mov [edx + JB_BX*4], ebx
mov [edx + JB_DI*4], edi
mov [edx + JB_SI*4], esi
lea ecx, JMPBUF[esp] /* Save SP as it will be after we return. */
mov [edx + JB_SP*4], ecx
mov ecx, PCOFF[esp] /* Save PC we are returning to now. */
mov [edx + JB_IP*4], ecx
ret
#define VAL 8
/*
* void
* longjmp(jmp_buf env, int value);
@ -94,18 +96,20 @@ __setjmp3:
* Notes:
* Non-local goto
*/
.globl _longjmp
PUBLIC _longjmp
_longjmp:
movl JMPBUF(%esp), %ecx /* User's jmp_buf in %ecx. */
mov ecx, JMPBUF[esp] /* User's jmp_buf in %ecx. */
movl VAL(%esp), %eax /* Second argument is return value. */
mov eax, [esp + 8] /* Second argument is return value. */
/* Save the return address now. */
movl (JB_IP*4)(%ecx), %edx
mov edx, [edx + JB_IP*4]
/* Restore registers. */
movl (JB_BP*4)(%ecx), %ebp
movl (JB_BX*4)(%ecx), %ebx
movl (JB_DI*4)(%ecx), %edi
movl (JB_SI*4)(%ecx), %esi
movl (JB_SP*4)(%ecx), %esp
mov ebp, [edx + JB_BP*4]
mov ebx, [edx + JB_BX*4]
mov edi, [edx + JB_DI*4]
mov esi, [edx + JB_SI*4]
mov esp, [edx + JB_SP*4]
/* Jump to saved PC. */
jmp *%edx
jmp dword ptr [edx]
END

8
lib/sdk/crt/string/i386/tchar.h
View file

@ -21,12 +21,12 @@
#define _tlods lodsw
#define _tstos stosw
#define _tsize $2
#define _tsize 2
#define _treg(_O_) _O_ ## x
#define _tdec(_O_) sub $2, _O_
#define _tinc(_O_) add $2, _O_
#define _tdec(_O_) sub _O_, 2
#define _tinc(_O_) add _O_, 2
#else
@ -45,7 +45,7 @@
#define _tlods lodsb
#define _tstos stosb
#define _tsize $1
#define _tsize 1
#define _treg(_O_) _O_ ## l

39
lib/sdk/crt/string/i386/tcscat.h
View file

@ -2,31 +2,34 @@
*/
#include "tchar.h"
#include <reactos/asm.h>
.globl _tcscat
PUBLIC _tcscat
.code
_tcscat:
push %esi
push %edi
mov 0x0C(%esp), %edi
mov 0x10(%esp), %esi
push esi
push edi
mov edi, [esp + 12]
mov esi, [esp + 16]
xor %eax, %eax
mov $-1, %ecx
cld
xor eax, eax
mov ecx, -1
cld
repne _tscas
_tdec(%edi)
repne _tscas
_tdec(edi)
.L1:
_tlods
_tstos
test %_treg(a), %_treg(a)
jnz .L1
_tlods
_tstos
test _treg(a), _treg(a)
jnz .L1
mov 0x0C(%esp), %eax
pop %edi
pop %esi
ret
mov eax, [esp + 12]
pop edi
pop esi
ret
END
/* EOF */

34
lib/sdk/crt/string/i386/tcschr.h
View file

@ -2,29 +2,31 @@
*/
#include "tchar.h"
#include <reactos/asm.h>
.globl _tcschr
PUBLIC _tcschr
.code
_tcschr:
push %esi
mov 0x8(%esp), %esi
mov 0xC(%esp), %edx
cld
push esi
mov esi, [esp + 8]
mov edx, [esp + 12]
cld
.L1:
_tlods
cmp %_treg(a), %_treg(d)
je .L2
test %_treg(a), %_treg(a)
jnz .L1
mov _tsize, %esi
_tlods
cmp _treg(d), _treg(a)
je .L2
test _treg(a), _treg(a)
jnz .L1
mov esi, _tsize
.L2:
mov %esi, %eax
_tdec(%eax)
mov eax, esi
_tdec(eax)
pop %esi
ret
pop esi
ret
END
/* EOF */

41
lib/sdk/crt/string/i386/tcscmp.h
View file

@ -2,33 +2,36 @@
*/
#include "tchar.h"
#include <reactos/asm.h>
.globl _tcscmp
PUBLIC _tcscmp
.code
_tcscmp:
push %esi
push %edi
mov 0x0C(%esp), %esi
mov 0x10(%esp), %edi
xor %eax, %eax
cld
push esi
push edi
mov esi, [esp + 12]
mov edi, [esp + 16]
xor eax, eax
cld
.L1:
_tlods
_tscas
jne .L2
test %eax, %eax
jne .L1
xor %eax, %eax
jmp .L3
_tlods
_tscas
jne .L2
test eax, eax
jne .L1
xor eax, eax
jmp .L3
.L2:
sbb %eax, %eax
or $1, %al
sbb eax, eax
or al, 1
.L3:
pop %edi
pop %esi
ret
pop edi
pop esi
ret
END
/* EOF */

31
lib/sdk/crt/string/i386/tcscpy.h
View file

@ -2,26 +2,29 @@
*/
#include "tchar.h"
#include <reactos/asm.h>
.globl _tcscpy
PUBLIC _tcscpy
.code
_tcscpy:
push %esi
push %edi
mov 0x0C(%esp), %edi
mov 0x10(%esp), %esi
cld
push esi
push edi
mov edi, [esp + 12]
mov esi, [esp + 16]
cld
.L1:
_tlods
_tstos
test %_treg(a), %_treg(a)
jnz .L1
_tlods
_tstos
test _treg(a), _treg(a)
jnz .L1
mov 0x0C(%esp), %eax
mov eax, [esp + 12]
pop %edi
pop %esi
ret
pop edi
pop esi
ret
END
/* EOF */

31
lib/sdk/crt/string/i386/tcslen.h
View file

@ -2,28 +2,31 @@
*/
#include "tchar.h"
#include <reactos/asm.h>
.globl _tcslen
PUBLIC _tcslen
.code
_tcslen:
push %edi
mov 0x8(%esp), %edi
xor %eax, %eax
test %edi,%edi
jz _tcslen_end
push edi
mov edi, [esp + 8]
xor eax, eax
test edi, edi
jz _tcslen_end
mov $-1, %ecx
cld
mov ecx, -1
cld
repne _tscas
repne _tscas
not %ecx
dec %ecx
not ecx
dec ecx
mov %ecx, %eax
mov eax, ecx
_tcslen_end:
pop %edi
ret
pop edi
ret
END
/* EOF */

51
lib/sdk/crt/string/i386/tcsncat.h
View file

@ -2,41 +2,44 @@
*/
#include "tchar.h"
#include <reactos/asm.h>
.globl _tcsncat
PUBLIC _tcsncat
.code
_tcsncat:
push %esi
push %edi
mov 0x0C(%esp), %edi
mov 0x10(%esp), %esi
cld
push esi
push edi
mov edi, [esp + 12]
mov esi, [esp + 16]
cld
xor %eax, %eax
mov $-1, %ecx
repne _tscas
_tdec(%edi)
xor eax, eax
mov ecx, -1
repne _tscas
_tdec(edi)
mov 0x14(%esp),%ecx
mov ecx, [esp + 20]
.L1:
dec %ecx
js .L2
_tlods
_tstos
test %_treg(a), %_treg(a)
jne .L1
jmp .L3
dec ecx
js .L2
_tlods
_tstos
test _treg(a), _treg(a)
jne .L1
jmp .L3
.L2:
xor %eax, %eax
_tstos
xor eax, eax
_tstos
.L3:
mov 0x0C(%esp), %eax
pop %edi
pop %esi
mov eax, [esp + 12]
pop edi
pop esi
ret
ret
END
/* EOF */

47
lib/sdk/crt/string/i386/tcsncmp.h
View file

@ -2,39 +2,42 @@
*/
#include "tchar.h"
#include <reactos/asm.h>
.globl _tcsncmp
PUBLIC _tcsncmp
.code
_tcsncmp:
push %esi
push %edi
mov 0x0C(%esp), %esi /* s1 */
mov 0x10(%esp), %edi /* s2 */
mov 0x14(%esp), %ecx /* n */
push esi
push edi
mov esi, [esp + 12] /* s1 */
mov edi, [esp + 16] /* s2 */
mov ecx, [esp + 20] /* n */
xor %eax,%eax
cld
xor eax, eax
cld
.L1:
dec %ecx
js .L2
_tlods
_tscas
jne .L3
test %eax, %eax
jne .L1
dec ecx
js .L2
_tlods
_tscas
jne .L3
test eax, eax
jne .L1
.L2:
xor %eax, %eax
jmp .L4
xor eax, eax
jmp .L4
.L3:
sbb %eax, %eax
or $1, %al
sbb eax, eax
or al, 1
.L4:
pop %edi
pop %esi
ret
pop edi
pop esi
ret
END
/* EOF */

41
lib/sdk/crt/string/i386/tcsncpy.h
View file

@ -2,33 +2,36 @@
*/
#include "tchar.h"
#include <reactos/asm.h>
.globl _tcsncpy
PUBLIC _tcsncpy
.code
_tcsncpy:
push %esi
push %edi
mov 0x0C(%esp), %edi /* s1 */
mov 0x10(%esp), %esi /* s2 */
mov 0x14(%esp), %ecx /* n */
push esi
push edi
mov edi, [esp + 12] /* s1 */
mov esi, [esp + 16] /* s2 */
mov ecx, [esp + 20] /* n */
xor %eax, %eax
cld
xor eax, eax
cld
.L1:
dec %ecx
js .L2
_tlods
_tstos
test %_treg(a), %_treg(a)
jnz .L1
rep _tstos
dec ecx
js .L2
_tlods
_tstos
test _treg(a), _treg(a)
jnz .L1
rep _tstos
.L2:
mov 0x0C(%esp), %eax
mov eax, [esp + 12]
pop %edi
pop %esi
ret
pop edi
pop esi
ret
END
/* EOF */

35
lib/sdk/crt/string/i386/tcsnlen.h
View file

@ -2,29 +2,32 @@
*/
#include "tchar.h"
#include <reactos/asm.h>
.globl _tcsnlen
PUBLIC _tcsnlen
.code
_tcsnlen:
push %edi
mov 0x8(%esp), %edi
mov 0xC(%esp), %ecx
xor %eax, %eax
test %ecx, %ecx
jz .L1
mov %ecx, %edx
push edi
mov edi, [esp + 8]
mov ecx, [esp + 12]
xor eax, eax
test ecx, ecx
jz .L1
mov edx, ecx
cld
cld
repne _tscas
repne _tscas
sete %al
sub %ecx, %edx
sub %eax, %edx
mov %edx, %eax
sete al
sub edx, ecx
sub edx, eax
mov eax, edx
.L1:
pop %edi
ret
pop edi
ret
END
/* EOF */

35
lib/sdk/crt/string/i386/tcsrchr.h
View file

@ -2,30 +2,33 @@
*/
#include "tchar.h"
#include <reactos/asm.h>
.globl _tcsrchr
PUBLIC _tcsrchr
.code
_tcsrchr:
push %esi
mov 0x8(%esp), %esi
mov 0xC(%esp), %edx
push esi
mov esi, [esp + 8]
mov edx, [esp + 12]
cld
mov _tsize, %ecx
cld
mov ecx, _tsize
.L1:
_tlods
cmp %_treg(a), %_treg(d)
jne .L2
mov %esi, %ecx
_tlods
cmp _treg(d), _treg(a)
jne .L2
mov ecx, esi
.L2:
test %_treg(a), %_treg(a)
jnz .L1
test _treg(a), _treg(a)
jnz .L1
mov %ecx, %eax
_tdec(%eax)
pop %esi
ret
mov eax, ecx
_tdec(eax)
pop esi
ret
END
/* EOF */

4
lib/sdk/crt/string/strset.c
View file

@ -8,6 +8,8 @@
* 25/11/05: Added license header
*/
#ifndef _MSC_VER
#if defined(__GNUC__) && !defined(__clang__)
#define __int64 long long
#endif
@ -49,3 +51,5 @@ char* _strset(char* szToFill, int szFill)
}
return t;
}
#endif