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committer: mfx <mfx> 1042564671 +0000
This commit is contained in:
Markus F.X.J. Oberhumer 2003-01-14 17:17:51 +00:00
parent 992ceee52b
commit c7b9395866
3 changed files with 40 additions and 32 deletions
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3
src/stub/l_ps1.asm
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@ -177,3 +177,6 @@ eof:
DW -1 DW -1
DH eof DH eof
; vi:ts=8:et:nowrap

25
src/stub/l_vmlinz.asm
View File

@ -50,14 +50,14 @@ start:
or ebp, byte -1 or ebp, byte -1
mov eax, 'KEIP' ; 0x100000 - address of startup_32 mov eax, 'KEIP' ; 0x100000 - address of startup_32
push eax ; MATCH00 push eax ; MATCH00
push edi ; MATCH01 push edi ; MATCH01
push esi ; MATCH02 push esi ; MATCH02
%ifdef __LZCALLT1__ %ifdef __LZCALLT1__
push eax ; MATCH03 push eax ; MATCH03
%endif; __LZDUMMY0__ %endif; __LZDUMMY0__
%ifdef __LZCKLLT1__ %ifdef __LZCKLLT1__
push eax ; MATCH03 push eax ; MATCH03
push byte '?' ; MATCH04 push byte '?' ; MATCH04
%endif; __LZDUMMY1__ %endif; __LZDUMMY1__
%ifdef __LBZIMAGE__ %ifdef __LBZIMAGE__
@ -102,18 +102,18 @@ checka20:
; ============= ; =============
%ifdef __LZCKLLT9__ %ifdef __LZCKLLT9__
pop edx ; MATCH04 pop edx ; MATCH04
pop edi ; MATCH03 pop edi ; MATCH03
ckt32 dl ckt32 dl
%endif; __LZDUMMY2__ %endif; __LZDUMMY2__
%ifdef __LZCALLT9__ %ifdef __LZCALLT9__
pop edi ; MATCH03 pop edi ; MATCH03
cjt32 0 cjt32 0
%endif; __LINUZ990__ %endif; __LINUZ990__
pop esi ; MATCH02 pop esi ; MATCH02
pop edi ; MATCH01 pop edi ; MATCH01
xor ebx, ebx ; booting the 1st cpu xor ebx, ebx ; booting the 1st cpu
retn ; MATCH00 retn ; MATCH00
; ============= ; =============
; ============= CUT HERE ; ============= CUT HERE
@ -126,3 +126,6 @@ eof:
section .data section .data
dd -1 dd -1
dw eof dw eof
; vi:ts=8:et:nowrap

44
src/stub/upx_itoa.asm
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@ -27,29 +27,31 @@
BITS 32 BITS 32
SECTION .text SECTION .text
GLOBAL upx_itoa GLOBAL upx_itoa
upx_itoa: ; char *upx_itoa(eax= unsigned v, edx= char *buf) /* 0<=(int)v */ upx_itoa: ; char *upx_itoa(eax= unsigned v, edx= char *buf) /* 0<=(int)v */
push edi ; save register push edi ; save register
mov edi,edx ; output ptr mov edi,edx ; output ptr
push byte 10 push byte 10
cld cld
pop ecx ; radix pop ecx ; radix
call recur call recur
mov [edi],ah ; NUL terminate mov [edi],ah ; NUL terminate
xchg eax,edi ; eax= continuation point xchg eax,edi ; eax= continuation point
pop edi ; restore register pop edi ; restore register
ret ret
recur: recur:
cdq ; zero extend eax into edx [use "sub edx,edx" if eax < 0 ] cdq ; zero extend eax into edx [use "sub edx,edx" if eax < 0 ]
div ecx ; eax=quo, edx=rem; flags are undefined div ecx ; eax=quo, edx=rem; flags are undefined
push edx push edx
test eax,eax test eax,eax
je quo0 je quo0
call recur call recur
quo0: quo0:
pop eax ; remainder pop eax ; remainder
add al, byte '0' add al, byte '0'
stosb stosb
ret ret
; vi:ts=8:et:nowrap