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PE loader. link with required dll

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git-svn-id: svn://kolibrios.org@892 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2008-11-01 01:25:51 +00:00
parent ef9256f6b0
commit c6b57fbd1a
10 changed files with 753 additions and 822 deletions
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105
kernel/branches/kolibri_pe/build.bat
View File

@ -1,105 +0,0 @@
@echo off
set languages=en ru ge et
set drivers=sound sis infinity ensoniq ps2mouse com_mouse uart ati2d vmode
set targets=all kernel drivers skins clean
call :Check_Target %1
for %%a in (all kernel) do if %%a==%target% call :Check_Lang %2
call :Target_%target%
if ERRORLEVEL 0 goto Exit_OK
echo There was an error executing script.
echo For any help, please send a report.
pause
goto :eof
:Check_Lang
set res=%1
:Check_Lang_loop
for %%a in (%languages%) do if %%a==%res% set lang=%res%
if defined lang goto :eof
echo Language '%res%' is incorrect
echo Enter valid language [ %languages% ]:
set /P res=">
goto Check_Lang_loop
goto :eof
:Check_Target
set res=%1
:Check_Target_loop
for %%a in (%targets%) do if %%a==%res% set target=%res%
if defined target goto :eof
echo Target '%res%' is incorrect
echo Enter valid target [ %targets% ]:
set /P res=">
goto Check_Target_loop
goto :eof
:Target_kernel
echo *** building kernel with language '%lang%' ...
if not exist bin mkdir bin
echo lang fix %lang% > lang.inc
fasm -m 65536 kernel.asm bin\kernel.mnt
if not %errorlevel%==0 goto :Error_FasmFailed
erase lang.inc
goto :eof
:Target_all
call :Target_kernel
call :Target_drivers
call :Target_skins
goto :eof
:Target_drivers
echo *** building drivers ...
if not exist bin\drivers mkdir bin\drivers
cd drivers
for %%a in (%drivers%) do (
fasm -m 65536 %%a.asm ..\bin\drivers\%%a.obj
if not %errorlevel%==0 goto :Error_FasmFailed
)
cd ..
move bin\drivers\vmode.obj bin\drivers\vmode.mdr
goto :eof
:Target_skins
echo *** building skins ...
if not exist bin\skins mkdir bin\skins
cd skin
fasm -m 65536 default.asm ..\bin\skins\default.skn
if not %errorlevel%==0 goto :Error_FasmFailed
cd ..
goto :eof
:Target_clean
echo *** cleaning ...
rmdir /S /Q bin
goto :Exit_OK
:Error_FasmFailed
echo error: fasm execution failed
erase lang.inc
pause
exit 1
:Exit_OK
echo all operations has been done
pause
exit 0

694
kernel/branches/kolibri_pe/core/dll.c
View File

@ -5,244 +5,75 @@
#include <link.h>
#include <mm.h>
#include <slab.h>
typedef unsigned short WORD;
typedef unsigned int DWORD;
typedef unsigned int LONG;
typedef unsigned char BYTE;
#define IMAGE_DOS_SIGNATURE 0x5A4D
#define IMAGE_NT_SIGNATURE 0x00004550
#define IMAGE_NT_OPTIONAL_HDR32_MAGIC 0x10b
#pragma pack(push,2)
typedef struct _IMAGE_DOS_HEADER
{
WORD e_magic;
WORD e_cblp;
WORD e_cp;
WORD e_crlc;
WORD e_cparhdr;
WORD e_minalloc;
WORD e_maxalloc;
WORD e_ss;
WORD e_sp;
WORD e_csum;
WORD e_ip;
WORD e_cs;
WORD e_lfarlc;
WORD e_ovno;
WORD e_res[4];
WORD e_oemid;
WORD e_oeminfo;
WORD e_res2[10];
LONG e_lfanew;
} IMAGE_DOS_HEADER,*PIMAGE_DOS_HEADER;
#pragma pack(pop)
#pragma pack(push,4)
typedef struct _IMAGE_FILE_HEADER
{
WORD Machine;
WORD NumberOfSections;
DWORD TimeDateStamp;
DWORD PointerToSymbolTable;
DWORD NumberOfSymbols;
WORD SizeOfOptionalHeader;
WORD Characteristics;
} IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER;
typedef struct _IMAGE_DATA_DIRECTORY {
DWORD VirtualAddress;
DWORD Size;
} IMAGE_DATA_DIRECTORY,*PIMAGE_DATA_DIRECTORY;
#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16
typedef struct _IMAGE_OPTIONAL_HEADER {
WORD Magic;
BYTE MajorLinkerVersion;
BYTE MinorLinkerVersion;
DWORD SizeOfCode;
DWORD SizeOfInitializedData;
DWORD SizeOfUninitializedData;
DWORD AddressOfEntryPoint;
DWORD BaseOfCode;
DWORD BaseOfData;
DWORD ImageBase;
DWORD SectionAlignment;
DWORD FileAlignment;
WORD MajorOperatingSystemVersion;
WORD MinorOperatingSystemVersion;
WORD MajorImageVersion;
WORD MinorImageVersion;
WORD MajorSubsystemVersion;
WORD MinorSubsystemVersion;
DWORD Win32VersionValue;
DWORD SizeOfImage;
DWORD SizeOfHeaders;
DWORD CheckSum;
WORD Subsystem;
WORD DllCharacteristics;
DWORD SizeOfStackReserve;
DWORD SizeOfStackCommit;
DWORD SizeOfHeapReserve;
DWORD SizeOfHeapCommit;
DWORD LoaderFlags;
DWORD NumberOfRvaAndSizes;
IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
} IMAGE_OPTIONAL_HEADER,*PIMAGE_OPTIONAL_HEADER;
#pragma pack(pop)
#pragma pack(push,4)
typedef struct _IMAGE_NT_HEADERS
{
DWORD Signature;
IMAGE_FILE_HEADER FileHeader;
IMAGE_OPTIONAL_HEADER OptionalHeader;
} IMAGE_NT_HEADERS32,*PIMAGE_NT_HEADERS32;
#define IMAGE_SIZEOF_SHORT_NAME 8
typedef struct _IMAGE_SECTION_HEADER
{
BYTE Name[IMAGE_SIZEOF_SHORT_NAME];
union
{
DWORD PhysicalAddress;
DWORD VirtualSize;
} Misc;
DWORD VirtualAddress;
DWORD SizeOfRawData;
DWORD PointerToRawData;
DWORD PointerToRelocations;
DWORD PointerToLinenumbers;
WORD NumberOfRelocations;
WORD NumberOfLinenumbers;
DWORD Characteristics;
} IMAGE_SECTION_HEADER,*PIMAGE_SECTION_HEADER;
#pragma pack(pop)
#pragma pack(push,4)
typedef struct _IMAGE_BASE_RELOCATION {
DWORD VirtualAddress;
DWORD SizeOfBlock;
} IMAGE_BASE_RELOCATION,*PIMAGE_BASE_RELOCATION;
#pragma pack(pop)
typedef struct _IMAGE_IMPORT_DESCRIPTOR
{
union
{
DWORD Characteristics;
DWORD OriginalFirstThunk;
};
DWORD TimeDateStamp;
DWORD ForwarderChain;
DWORD Name;
DWORD FirstThunk;
} IMAGE_IMPORT_DESCRIPTOR,*PIMAGE_IMPORT_DESCRIPTOR;
typedef struct _IMAGE_THUNK_DATA32
{
union
{
DWORD ForwarderString;
DWORD Function;
DWORD Ordinal;
DWORD AddressOfData;
} u1;
} IMAGE_THUNK_DATA32,*PIMAGE_THUNK_DATA32;
typedef struct _IMAGE_IMPORT_BY_NAME
{
WORD Hint;
BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
#define IMAGE_ORDINAL_FLAG 0x80000000
typedef struct _IMAGE_EXPORT_DIRECTORY {
DWORD Characteristics;
DWORD TimeDateStamp;
WORD MajorVersion;
WORD MinorVersion;
DWORD Name;
DWORD Base;
DWORD NumberOfFunctions;
DWORD NumberOfNames;
DWORD AddressOfFunctions;
DWORD AddressOfNames;
DWORD AddressOfNameOrdinals;
} IMAGE_EXPORT_DIRECTORY,*PIMAGE_EXPORT_DIRECTORY;
//extern IMAGE_EXPORT_DIRECTORY kernel_exports;
#define MakePtr( cast, ptr, addValue ) (cast)( (addr_t)(ptr) + (addValue) )
typedef struct
{
addr_t base;
addr_t frame;
md_t *md;
IMAGE_OPTIONAL_HEADER *opthdr;
}dll_t;
static inline bool IsPowerOf2(u32_t val)
{
if(val == 0)
return false;
return (val & (val - 1)) == 0;
}
static inline void sec_copy(void *dst, const void *src, size_t len)
{
u32_t tmp;
__asm__ __volatile__ (
"shrl $2, %%ecx \n\t"
"rep movsl"
:"=c"(tmp),"=S"(tmp),"=D"(tmp)
:"c"(len),"S"(src),"D"(dst)
:"cc");
};
static inline void sec_clear(void *dst, size_t len)
{
u32_t tmp;
__asm__ __volatile__ (
"xorl %%eax, %%eax \n\t"
"rep stosb"
:"=c"(tmp),"=D"(tmp)
:"c"(len),"D"(dst)
:"eax","cc");
};
#include <pe.h>
int __stdcall strncmp(const char *s1, const char *s2, size_t n);
static dll_t core_dll;
void __export create_image(void *img_base, void *image) asm ("CreateImage");
md_t* __fastcall load_image(const char *path);
void* __fastcall load_pe(const char *path)
static char* strupr(char *str )
{
md_t *md;
char *p;
unsigned char c;
md = load_image(path);
p = str;
while( (c = *p) )
{
if( c >= 'a' && c <= 'z' )
*p = c - 'a' + 'A';
++p;
}
if( md )
return (void*)md->base;
return( str );
}
void init_core_dll()
{
PIMAGE_DOS_HEADER dos;
PIMAGE_NT_HEADERS32 nt;
PIMAGE_EXPORT_DIRECTORY exp;
dos = (PIMAGE_DOS_HEADER)LOAD_BASE;
nt = MakePtr( PIMAGE_NT_HEADERS32, dos, dos->e_lfanew);
exp = MakePtr(PIMAGE_EXPORT_DIRECTORY,LOAD_BASE,
nt->OptionalHeader.DataDirectory[0].VirtualAddress);
list_initialize(&core_dll.link);
core_dll.img_base = LOAD_BASE;
core_dll.img_size = nt->OptionalHeader.SizeOfImage;
core_dll.img_md = NULL;
core_dll.img_hdr = nt;
core_dll.img_sec = MakePtr(PIMAGE_SECTION_HEADER,nt, sizeof(IMAGE_NT_HEADERS32));
core_dll.img_exp = MakePtr(PIMAGE_EXPORT_DIRECTORY,LOAD_BASE,
nt->OptionalHeader.DataDirectory[0].VirtualAddress);
core_dll.img_name = strupr(MakePtr(char*, LOAD_BASE, exp->Name));
DBG("%s base %x size %x sections %d exports %x\n",
core_dll.img_name, core_dll.img_base,
core_dll.img_size, nt->FileHeader.NumberOfSections,
core_dll.img_exp );
};
dll_t * find_dll(const char *name)
{
dll_t* dll = &core_dll;
do
{
if( !strncmp(name,dll->img_name,16))
return dll;
dll = (dll_t*)dll->link.next;
}while(&dll->link != &core_dll.link);
return NULL;
};
typedef struct
{
char srv_name[16]; // ASCIIZ string
@ -271,6 +102,8 @@ srv_t* __fastcall load_pe_driver(const char *path)
if( ! md )
return 0;
if( link_image( md->base ) )
{
dos = (PIMAGE_DOS_HEADER)md->base;
nt = MakePtr( PIMAGE_NT_HEADERS32, dos, dos->e_lfanew);
@ -283,406 +116,11 @@ srv_t* __fastcall load_pe_driver(const char *path)
srv->entry = nt->OptionalHeader.AddressOfEntryPoint + md->base;
return srv;
}
else
{
md_free( md );
return NULL;
}
}
md_t* __fastcall load_image(const char *path)
{
PIMAGE_DOS_HEADER dos;
PIMAGE_NT_HEADERS32 nt;
md_t *img_md;
size_t img_size;
void *img_base;
count_t img_pages;
size_t raw_size = 0;
void *raw;
// void *image;
DBG("load file %s\n", path);
raw = load_file(path, &raw_size);
DBG("raw = %x\n\n", raw);
dos = (PIMAGE_DOS_HEADER)raw;
if( !raw || raw_size < sizeof(IMAGE_DOS_HEADER) )
return NULL;
if( dos->e_magic != IMAGE_DOS_SIGNATURE || dos->e_lfanew <= 0)
return NULL;
nt = MakePtr( PIMAGE_NT_HEADERS32, dos, dos->e_lfanew);
if( (addr_t)nt < (addr_t)raw)
return NULL;
if(nt->Signature != IMAGE_NT_SIGNATURE)
return NULL;
if(nt->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR32_MAGIC)
return NULL;
if(nt->OptionalHeader.SectionAlignment < PAGE_SIZE)
{
if(nt->OptionalHeader.FileAlignment != nt->OptionalHeader.SectionAlignment)
return NULL;
}
else if(nt->OptionalHeader.SectionAlignment < nt->OptionalHeader.FileAlignment)
return NULL;
if(!IsPowerOf2(nt->OptionalHeader.SectionAlignment) ||
!IsPowerOf2(nt->OptionalHeader.FileAlignment))
return NULL;
if(nt->FileHeader.NumberOfSections > 96)
return NULL;
img_size = nt->OptionalHeader.SizeOfImage;
// img_pages = img_size / PAGE_SIZE;
img_md = md_alloc(img_size, PG_SW);
if( !img_md)
{
mem_free(raw);
return NULL;
};
img_base = (void*)img_md->base;
create_image(img_base, raw);
mem_free(raw);
// dos = (PIMAGE_DOS_HEADER)img_base;
// nt = MakePtr( PIMAGE_NT_HEADERS32, dos, dos->e_lfanew);
return img_md;
};
/*
addr_t get_proc_addr(addr_t module, char *name)
{
PIMAGE_DOS_HEADER expdos;
PIMAGE_NT_HEADERS32 expnt;
PIMAGE_EXPORT_DIRECTORY exp;
u32_t *functions;
char **funcname;
int ind;
expdos = (PIMAGE_DOS_HEADER)module;
expnt = MakePtr( PIMAGE_NT_HEADERS32, expdos, expdos->e_lfanew);
exp = MakePtr(PIMAGE_EXPORT_DIRECTORY,module,
expnt->OptionalHeader.DataDirectory[0].VirtualAddress);
functions = MakePtr(DWORD*,exp->AddressOfFunctions,module);
funcname = MakePtr(char**,exp->AddressOfNames,module);
for(ind=0; *funcname;funcname++,ind++)
{
if(!strcmp(name,MakePtr(char*,*funcname,module)))
return functions[ind] + module;
};
return -1;
};
*/
void create_image(void *img_base, void *image)
{
PIMAGE_DOS_HEADER dos;
PIMAGE_NT_HEADERS32 nt;
PIMAGE_SECTION_HEADER img_sec;
u32_t sec_align;
int i;
/* assumed that image is valid */
dos = (PIMAGE_DOS_HEADER)image;
nt = MakePtr( PIMAGE_NT_HEADERS32, dos, dos->e_lfanew);
sec_copy(img_base,image,nt->OptionalHeader.SizeOfHeaders);
img_sec = MakePtr(PIMAGE_SECTION_HEADER,nt,sizeof(IMAGE_NT_HEADERS32));
sec_align = nt->OptionalHeader.SectionAlignment;
for(i=0; i< nt->FileHeader.NumberOfSections; i++)
{
char *src_ptr;
char *dest_ptr;
size_t sec_size;
src_ptr = MakePtr(char*, image, img_sec->PointerToRawData);
dest_ptr = MakePtr(char*,img_base, img_sec->VirtualAddress);
if(img_sec->SizeOfRawData)
sec_copy(dest_ptr, src_ptr, img_sec->SizeOfRawData);
sec_size = (img_sec->Misc.VirtualSize + sec_align -1) & -sec_align;
if(sec_size > img_sec->SizeOfRawData)
sec_clear(dest_ptr + img_sec->SizeOfRawData,
sec_size - img_sec->SizeOfRawData);
img_sec++;
}
if(nt->OptionalHeader.DataDirectory[5].Size)
{
PIMAGE_BASE_RELOCATION reloc;
/* FIXME addr_t */
u32_t delta = (u32_t)img_base - nt->OptionalHeader.ImageBase;
reloc = MakePtr(PIMAGE_BASE_RELOCATION, img_base,
nt->OptionalHeader.DataDirectory[5].VirtualAddress);
while ( reloc->SizeOfBlock != 0 )
{
u32_t cnt;
u16_t *entry;
u16_t reltype;
u32_t offs;
cnt = (reloc->SizeOfBlock - sizeof(*reloc))/sizeof(u16_t);
entry = MakePtr( u16_t*, reloc, sizeof(*reloc) );
for ( i=0; i < cnt; i++ )
{
u16_t *p16;
u32_t *p32;
reltype = (*entry & 0xF000) >> 12;
offs = (*entry & 0x0FFF) + reloc->VirtualAddress;
switch(reltype)
{
case 1:
p16 = MakePtr(u16_t*, img_base, offs);
*p16+= (u16_t)(delta>>16);
break;
case 2:
p16 = MakePtr(u16_t*, img_base, offs);
*p16+= (u16_t)delta;
break;
case 3:
p32 = MakePtr(u32_t*, img_base, offs);
*p32+= delta;
}
entry++;
}
reloc = MakePtr(PIMAGE_BASE_RELOCATION, reloc,reloc->SizeOfBlock);
}
};
if(nt->OptionalHeader.DataDirectory[1].Size)
{
PIMAGE_IMPORT_DESCRIPTOR imp;
int warn = 0;
imp = MakePtr(PIMAGE_IMPORT_DESCRIPTOR, img_base,
nt->OptionalHeader.DataDirectory[1].VirtualAddress);
while ( 1 )
{
PIMAGE_THUNK_DATA32 thunk;
PIMAGE_DOS_HEADER expdos;
PIMAGE_NT_HEADERS32 expnt;
PIMAGE_EXPORT_DIRECTORY exp;
u32_t *iat;
char *libname;
addr_t *functions;
u16_t *ordinals;
char **funcname;
if ( (imp->TimeDateStamp==0 ) && (imp->Name==0) )
break;
libname=MakePtr(char*,imp->Name, img_base);
DBG("import from %s\n",libname);
expdos = (PIMAGE_DOS_HEADER)IMAGE_BASE;
expnt = MakePtr( PIMAGE_NT_HEADERS32, expdos, expdos->e_lfanew);
exp = MakePtr(PIMAGE_EXPORT_DIRECTORY,LOAD_BASE,
expnt->OptionalHeader.DataDirectory[0].VirtualAddress);
functions = MakePtr(DWORD*,exp->AddressOfFunctions,LOAD_BASE);
ordinals = MakePtr(WORD*, exp->AddressOfNameOrdinals,LOAD_BASE);
funcname = MakePtr(char**, exp->AddressOfNames,LOAD_BASE);
thunk = MakePtr(PIMAGE_THUNK_DATA32,
imp->Characteristics, img_base);
iat= MakePtr(DWORD*,imp->FirstThunk, img_base);
while ( 1 ) // Loop forever (or until we break out)
{
PIMAGE_IMPORT_BY_NAME ord;
addr_t addr;
if ( thunk->u1.AddressOfData == 0 )
break;
if ( thunk->u1.Ordinal & IMAGE_ORDINAL_FLAG )
{
// printf(" %4u\n", thunk->u1.Ordinal & 0xFFFF);
break;
}
else
{
ord = MakePtr(PIMAGE_IMPORT_BY_NAME,
thunk->u1.AddressOfData, img_base);
*iat=0;
DBG("import %s", ord->Name);
if(strncmp(ord->Name,
MakePtr(char*,funcname[ord->Hint],LOAD_BASE),32))
{
int ind;
char **names=funcname;
for(names = funcname,ind = 0;
ind < exp->NumberOfNames; names++,ind++)
{
if(!strncmp(ord->Name,MakePtr(char*,*names,LOAD_BASE),32))
{
DBG(" \tat %x\n", functions[ind] + LOAD_BASE);
*iat = functions[ind] + LOAD_BASE;
break;
};
};
if(ind == exp->NumberOfNames)
{
DBG(" unresolved import %s\n",ord->Name);
warn=1;
};
}
else
{
DBG(" \tat %x\n", functions[ord->Hint] + LOAD_BASE);
*iat = functions[ord->Hint] + LOAD_BASE;
};
};
thunk++; // Advance to next thunk
iat++;
}
imp++; // advance to next IMAGE_IMPORT_DESCRIPTOR
};
};
DBG("\ncreate pe base %x, size %x, %d sections\n\n",img_base,
nt->OptionalHeader.SizeOfImage, nt->FileHeader.NumberOfSections);
};
/*
u32 map_PE(u32 base, void *image)
{
PIMAGE_DOS_HEADER dos;
PIMAGE_NT_HEADERS32 nt;
PIMAGE_SECTION_HEADER sec;
int i;
int pages;
dos = (PIMAGE_DOS_HEADER)image;
nt = MakePtr( PIMAGE_NT_HEADERS32, dos, dos->e_lfanew);
img_size = nt->OptionalHeader.SizeOfImage;
img_pages = img_size / PAGE_SIZE;
img_md = md_alloc(img_size, PG_SW);
if( !img_md)
return NULL;
scopy(base,(u32)image,nt->OptionalHeader.SizeOfHeaders);
sec = MakePtr(PIMAGE_SECTION_HEADER,nt,sizeof(IMAGE_NT_HEADERS32));
if(nt->OptionalHeader.DataDirectory[1].Size)
{
PIMAGE_IMPORT_DESCRIPTOR imp;
imp = MakePtr(PIMAGE_IMPORT_DESCRIPTOR,base,
nt->OptionalHeader.DataDirectory[1].VirtualAddress);
while ( 1 )
{
PIMAGE_THUNK_DATA32 thunk;
u32 *iat;
char *libname;
if ( (imp->TimeDateStamp==0 ) && (imp->Name==0) )
break;
thunk = MakePtr(PIMAGE_THUNK_DATA32,
imp->Characteristics, base);
iat= MakePtr(DWORD*,imp->FirstThunk, base);
while ( 1 ) // Loop forever (or until we break out)
{
PIMAGE_IMPORT_BY_NAME ord;
u32 addr;
if ( thunk->u1.AddressOfData == 0 )
break;
if ( thunk->u1.Ordinal & IMAGE_ORDINAL_FLAG )
{
// printf(" %4u\n", thunk->u1.Ordinal & 0xFFFF);
break;
}
else
{
PKERNEL_EXPORT exp;
exp = kernel_export;
ord = MakePtr(PIMAGE_IMPORT_BY_NAME,
thunk->u1.AddressOfData,base);
*iat=-1;
do
{
if(!strncmp(ord->Name,exp->name,16))
{
*iat = exp->address;
break;
}
exp++;
} while(exp->name != 0);
};
thunk++; // Advance to next thunk
iat++;
}
imp++; // advance to next IMAGE_IMPORT_DESCRIPTOR
}
};
*/

18
kernel/branches/kolibri_pe/core/export.asm
View File

@ -3,24 +3,24 @@
.section .drectve
.ascii " -export:CreateImage"
.ascii " -export:LoadFile"
.ascii " -export:CreateImage" # cdecl
.ascii " -export:LoadFile" # stdcall
.ascii " -export:Kmalloc" #
.ascii " -export:Kfree" #
.ascii " -export:Kmalloc" # eax FIXME
.ascii " -export:Kfree" # eax FIXME
.ascii " -export:UserAlloc" # stdcall
.ascii " -export:UserFree" # stdcall
.ascii " -export:GetPgAddr" # eax FIXME
.ascii " -export:MapIoMem" # stdcall
.ascii " -export:GetPgAddr" # eax
.ascii " -export:CreateObject" #
.ascii " -export:DestroyObject" #
.ascii " -export:CreateRingBuffer" # stdcall
.ascii " -export:CommitPages" # eax, ebx, ecx
.ascii " -export:CommitPages" # eax, ebx, ecx FIXME
.ascii " -export:UnmapPages" # eax, ecx FIXME
.ascii " -export:CreateObject" # eax, ebx FIXME
.ascii " -export:DestroyObject" # eax
.ascii " -export:RegService" # stdcall
.ascii " -export:UnmapPages" # eax, ecx
.ascii " -export:SysMsgBoardStr" #
.ascii " -export:SetScreen" #

86
kernel/branches/kolibri_pe/core/heap.c
View File

@ -110,7 +110,7 @@ md_t* __fastcall find_large_md(size_t size)
if(idx0 == 31)
{
md_t *tmp = (md_t*)lheap.unmapped[31].next;
while((link_t*)tmp != &lheap.unmapped[31])
while(&tmp->link != &lheap.unmapped[31])
{
if(tmp->size >= size)
{
@ -193,7 +193,7 @@ md_t* __fastcall find_unmapped_md(size_t size)
ASSERT( !list_empty(&sheap.unmapped[31]));
md_t *tmp = (md_t*)sheap.unmapped[31].next;
while((link_t*)tmp != &sheap.unmapped[31])
while( &tmp->link != &sheap.unmapped[31])
{
if(tmp->size >= size)
{
@ -283,7 +283,7 @@ md_t* __fastcall find_unmapped_md(size_t size)
{
md_t *tmp = (md_t*)sheap.unmapped[31].next;
while((link_t*)tmp != &sheap.unmapped[31])
while( &tmp->link != &sheap.unmapped[31])
{
if(md->base < tmp->base)
break;
@ -333,7 +333,7 @@ md_t* __fastcall find_mapped_md(size_t size)
ASSERT( !list_empty(&sheap.mapped[31]));
md_t *tmp = (md_t*)sheap.mapped[31].next;
while((link_t*)tmp != &sheap.mapped[31])
while( &tmp->link != &sheap.mapped[31])
{
if(tmp->size >= size)
{
@ -437,7 +437,7 @@ md_t* __fastcall find_mapped_md(size_t size)
{
md_t *tmp = (md_t*)sheap.mapped[31].next;
while((link_t*)tmp != &sheap.mapped[31])
while( &tmp->link != &sheap.mapped[31])
{
if(md->base < tmp->base)
break;
@ -521,7 +521,7 @@ void __fastcall free_unmapped_md(md_t *md)
{
md_t *tmp = (md_t*)sheap.unmapped[31].next;
while((link_t*)tmp != &sheap.unmapped[31])
while( &tmp->link != &sheap.unmapped[31])
{
if(md->base < tmp->base)
break;
@ -598,7 +598,7 @@ void __fastcall free_mapped_md(md_t *md)
{
md_t *tmp = (md_t*)sheap.mapped[31].next;
while((link_t*)tmp != &sheap.mapped[31])
while( &tmp->link != &sheap.mapped[31])
{
if(md->base < tmp->base)
break;
@ -663,6 +663,44 @@ md_t* __fastcall md_alloc(size_t size, u32_t flags)
};
void __fastcall md_free(md_t *md)
{
if( md )
{
md_t *lmd;
DBG("free md: %x base: %x size: %x\n",md, md->base, md->size);
ASSERT(md->state == MD_USED);
list_remove((link_t*)md);
lmd = (md_t*)md->parent;
ASSERT(lmd != 0);
if(lmd->parent != 0)
{
addr_t mem = md->base;
addr_t *pte = &((addr_t*)page_tabs)[md->base>>12];
count_t tmp = md->size >> 12;
while(tmp--)
{
*pte++ = 0;
asm volatile ( "invlpg (%0)" ::"r" (mem) );
mem+= 4096;
};
free_mapped_md( md );
}
else
free_unmapped_md( md );
}
return;
};
void * __fastcall mem_alloc(size_t size, u32_t flags)
{
eflags_t efl;
@ -687,7 +725,7 @@ void * __fastcall mem_alloc(size_t size, u32_t flags)
{
md_t *tmp = (md_t*)sheap.used.next;
while((link_t*)tmp != &sheap.used)
while( &tmp->link != &sheap.used)
{
if(md->base < tmp->base)
break;
@ -720,7 +758,7 @@ void __fastcall mem_free(void *mem)
tmp = (md_t*)sheap.used.next;
while((link_t*)tmp != &sheap.used)
while( &tmp->link != &sheap.used)
{
if( tmp->base == (addr_t)mem )
{
@ -732,36 +770,8 @@ void __fastcall mem_free(void *mem)
if( md )
{
md_t *lmd;
md_free( md );
DBG("\tmd: %x base: %x size: %x\n",md, md->base, md->size);
ASSERT(md->state == MD_USED);
list_remove((link_t*)md);
lmd = (md_t*)md->parent;
ASSERT(lmd != 0);
if(lmd->parent != 0)
{
count_t tmp = md->size >> 12;
addr_t *pte = &((addr_t*)page_tabs)[md->base>>12];
while(tmp--)
{
*pte++ = 0;
asm volatile (
"invlpg (%0)"
::"r" (mem) );
mem+= 4096;
};
free_mapped_md( md );
}
else
free_unmapped_md( md );
}
else
DBG("\tERROR: invalid base address: %x\n", mem);

414
kernel/branches/kolibri_pe/core/pe.c Normal file
View File

@ -0,0 +1,414 @@
#include <types.h>
#include <core.h>
#include <spinlock.h>
#include <link.h>
#include <mm.h>
#include <slab.h>
#include <pe.h>
static inline bool IsPowerOf2(u32_t val)
{
if(val == 0)
return false;
return (val & (val - 1)) == 0;
}
static inline void sec_copy(addr_t dst, addr_t src, size_t len)
{
u32_t tmp;
__asm__ __volatile__ (
"shrl $2, %%ecx \n\t"
"rep movsl"
:"=c"(tmp),"=S"(tmp),"=D"(tmp)
:"c"(len),"S"(src),"D"(dst)
:"cc");
};
static inline void sec_clear(addr_t dst, size_t len)
{
u32_t tmp;
__asm__ __volatile__ (
"xorl %%eax, %%eax \n\t"
"rep stosb"
:"=c"(tmp),"=D"(tmp)
:"c"(len),"D"(dst)
:"eax","cc");
};
int __stdcall strncmp(const char *s1, const char *s2, size_t n);
void __export create_image(addr_t img_base, addr_t raw) asm ("CreateImage");
bool link_image(addr_t img_base);
md_t* __fastcall load_image(const char *path);
/*
void* __fastcall load_pe(const char *path)
{
md_t *md;
md = load_image(path);
if( md )
return (void*)md->base;
return NULL;
};
*/
bool validate_pe(void *raw, size_t raw_size)
{
PIMAGE_DOS_HEADER dos;
PIMAGE_NT_HEADERS32 nt;
dos = (PIMAGE_DOS_HEADER)raw;
if( !raw || raw_size < sizeof(IMAGE_DOS_HEADER) )
return false;
if( dos->e_magic != IMAGE_DOS_SIGNATURE || dos->e_lfanew <= 0)
return false;
nt = MakePtr( PIMAGE_NT_HEADERS32, dos, dos->e_lfanew);
if( (addr_t)nt < (addr_t)raw)
return false;
if(nt->Signature != IMAGE_NT_SIGNATURE)
return false;
if(nt->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR32_MAGIC)
return false;
if(nt->OptionalHeader.SectionAlignment < PAGE_SIZE)
{
if(nt->OptionalHeader.FileAlignment != nt->OptionalHeader.SectionAlignment)
return false;
}
else if(nt->OptionalHeader.SectionAlignment < nt->OptionalHeader.FileAlignment)
return false;
if(!IsPowerOf2(nt->OptionalHeader.SectionAlignment) ||
!IsPowerOf2(nt->OptionalHeader.FileAlignment))
return false;
if(nt->FileHeader.NumberOfSections > 96)
return false;
return true;
}
md_t* __fastcall load_image(const char *path)
{
PIMAGE_DOS_HEADER dos;
PIMAGE_NT_HEADERS32 nt;
md_t *img_md;
size_t img_size;
addr_t img_base;
count_t img_pages;
size_t raw_size = 0;
void *raw;
DBG("\nload image %s", path);
raw = load_file(path, &raw_size);
DBG(" raw = %x\n", raw);
if( ! raw)
{
DBG("file not found: %s\n", path);
return NULL;
};
if( ! validate_pe(raw, raw_size) )
{
DBG("invalid pe file %s\n", path);
mem_free(raw);
return NULL;
}
dos = (PIMAGE_DOS_HEADER)raw;
nt = MakePtr( PIMAGE_NT_HEADERS32, dos, dos->e_lfanew);
img_size = nt->OptionalHeader.SizeOfImage;
img_md = md_alloc(img_size, PG_SW);
if( !img_md)
{
mem_free(raw);
return NULL;
};
img_base = img_md->base;
create_image(img_base, (addr_t)raw);
mem_free(raw);
// dos = (PIMAGE_DOS_HEADER)img_base;
// nt = MakePtr( PIMAGE_NT_HEADERS32, dos, dos->e_lfanew);
return img_md;
};
/*
addr_t get_proc_addr(addr_t module, char *name)
{
PIMAGE_DOS_HEADER expdos;
PIMAGE_NT_HEADERS32 expnt;
PIMAGE_EXPORT_DIRECTORY exp;
u32_t *functions;
char **funcname;
int ind;
expdos = (PIMAGE_DOS_HEADER)module;
expnt = MakePtr( PIMAGE_NT_HEADERS32, expdos, expdos->e_lfanew);
exp = MakePtr(PIMAGE_EXPORT_DIRECTORY,module,
expnt->OptionalHeader.DataDirectory[0].VirtualAddress);
functions = MakePtr(DWORD*,exp->AddressOfFunctions,module);
funcname = MakePtr(char**,exp->AddressOfNames,module);
for(ind=0; *funcname;funcname++,ind++)
{
if(!strcmp(name,MakePtr(char*,*funcname,module)))
return functions[ind] + module;
};
return -1;
};
*/
void create_image(addr_t img_base, addr_t raw)
{
PIMAGE_DOS_HEADER dos;
PIMAGE_NT_HEADERS32 nt;
PIMAGE_SECTION_HEADER img_sec;
u32_t sec_align;
int i;
/* assumed that image is valid */
dos = (PIMAGE_DOS_HEADER)raw;
nt = MakePtr( PIMAGE_NT_HEADERS32, dos, dos->e_lfanew);
sec_copy(img_base, raw, nt->OptionalHeader.SizeOfHeaders);
img_sec = MakePtr(PIMAGE_SECTION_HEADER, nt, sizeof(IMAGE_NT_HEADERS32));
sec_align = nt->OptionalHeader.SectionAlignment;
for(i=0; i< nt->FileHeader.NumberOfSections; i++)
{
addr_t src_ptr;
addr_t dest_ptr;
size_t sec_size;
src_ptr = MakePtr(addr_t, raw, img_sec->PointerToRawData);
dest_ptr = MakePtr(addr_t,img_base, img_sec->VirtualAddress);
if(img_sec->SizeOfRawData)
sec_copy(dest_ptr, src_ptr, img_sec->SizeOfRawData);
sec_size = (img_sec->Misc.VirtualSize + sec_align -1) & -sec_align;
if(sec_size > img_sec->SizeOfRawData)
sec_clear(dest_ptr + img_sec->SizeOfRawData,
sec_size - img_sec->SizeOfRawData);
img_sec++;
}
if(nt->OptionalHeader.DataDirectory[5].Size)
{
PIMAGE_BASE_RELOCATION reloc;
/* FIXME addr_t */
u32_t delta = (u32_t)img_base - nt->OptionalHeader.ImageBase;
reloc = MakePtr(PIMAGE_BASE_RELOCATION, img_base,
nt->OptionalHeader.DataDirectory[5].VirtualAddress);
while ( reloc->SizeOfBlock != 0 )
{
u32_t cnt;
u16_t *entry;
u16_t reltype;
u32_t offs;
cnt = (reloc->SizeOfBlock - sizeof(*reloc))/sizeof(u16_t);
entry = MakePtr( u16_t*, reloc, sizeof(*reloc) );
for ( i=0; i < cnt; i++ )
{
u16_t *p16;
u32_t *p32;
reltype = (*entry & 0xF000) >> 12;
offs = (*entry & 0x0FFF) + reloc->VirtualAddress;
switch(reltype)
{
case 1:
p16 = MakePtr(u16_t*, img_base, offs);
*p16+= (u16_t)(delta>>16);
break;
case 2:
p16 = MakePtr(u16_t*, img_base, offs);
*p16+= (u16_t)delta;
break;
case 3:
p32 = MakePtr(u32_t*, img_base, offs);
*p32+= delta;
}
entry++;
}
reloc = MakePtr(PIMAGE_BASE_RELOCATION, reloc,reloc->SizeOfBlock);
}
};
DBG("\ncreate pe base %x, size %x, %d sections\n\n",img_base,
nt->OptionalHeader.SizeOfImage, nt->FileHeader.NumberOfSections);
};
bool link_image(addr_t img_base)
{
PIMAGE_DOS_HEADER dos;
PIMAGE_NT_HEADERS32 nt;
int warn = 0;
/* assumed that image is valid */
dos = (PIMAGE_DOS_HEADER)img_base;
nt = MakePtr( PIMAGE_NT_HEADERS32, dos, dos->e_lfanew);
if(nt->OptionalHeader.DataDirectory[1].Size)
{
PIMAGE_IMPORT_DESCRIPTOR imp;
imp = MakePtr(PIMAGE_IMPORT_DESCRIPTOR, img_base,
nt->OptionalHeader.DataDirectory[1].VirtualAddress);
while ( 1 )
{
PIMAGE_THUNK_DATA32 thunk;
PIMAGE_DOS_HEADER expdos;
PIMAGE_NT_HEADERS32 expnt;
PIMAGE_EXPORT_DIRECTORY exp;
u32_t *iat;
char *libname;
addr_t *functions;
u16_t *ordinals;
char **funcname;
dll_t *exp_dll;
if ( (imp->TimeDateStamp==0 ) && (imp->Name==0) )
break;
libname=MakePtr(char*,imp->Name, img_base);
DBG("import from %s\n",libname);
exp_dll = find_dll(libname);
if(exp_dll != NULL)
{
DBG("find %s\n", exp_dll->img_name);
}
else
{
DBG("can't find %s\n", libname);
return false;
}
exp = exp_dll->img_exp;
functions = MakePtr(DWORD*,exp->AddressOfFunctions,exp_dll->img_base);
ordinals = MakePtr(WORD*, exp->AddressOfNameOrdinals,exp_dll->img_base);
funcname = MakePtr(char**, exp->AddressOfNames,exp_dll->img_base);
thunk = MakePtr(PIMAGE_THUNK_DATA32,
imp->Characteristics, img_base);
iat= MakePtr(DWORD*,imp->FirstThunk, img_base);
while ( 1 ) // Loop forever (or until we break out)
{
PIMAGE_IMPORT_BY_NAME ord;
addr_t addr;
if ( thunk->u1.AddressOfData == 0 )
break;
if ( thunk->u1.Ordinal & IMAGE_ORDINAL_FLAG )
{
// printf(" %4u\n", thunk->u1.Ordinal & 0xFFFF);
break;
}
else
{
ord = MakePtr(PIMAGE_IMPORT_BY_NAME,
thunk->u1.AddressOfData, img_base);
*iat=0;
DBG("import %s", ord->Name);
if(strncmp(ord->Name,
MakePtr(char*,funcname[ord->Hint],exp_dll->img_base),32))
{
int ind;
char **names=funcname;
for(names = funcname,ind = 0;
ind < exp->NumberOfNames; names++,ind++)
{
if(!strncmp(ord->Name,MakePtr(char*,*names,exp_dll->img_base),32))
{
DBG(" \tat %x\n", functions[ind] + exp_dll->img_base);
*iat = functions[ind] + exp_dll->img_base;
break;
};
};
if(ind == exp->NumberOfNames)
{
DBG(" unresolved import %s\n",ord->Name);
warn=1;
};
}
else
{
DBG(" \tat %x\n", functions[ord->Hint] + exp_dll->img_base);
*iat = functions[ord->Hint] + exp_dll->img_base;
};
};
thunk++; // Advance to next thunk
iat++;
}
imp++; // advance to next IMAGE_IMPORT_DESCRIPTOR
};
};
if ( !warn )
return true;
else
return false;
}

1
kernel/branches/kolibri_pe/include/mm.h
View File

@ -87,6 +87,7 @@ pfn_t alloc_page() __attribute__ ((deprecated));
md_t* __fastcall md_alloc(size_t size, u32_t flags) ;
void __fastcall md_free(md_t *md);
void* __fastcall __export mem_alloc(size_t size, u32_t flags) asm ("MemAlloc");
void __fastcall __export mem_free(void *mem) asm ("MemFree");

202
kernel/branches/kolibri_pe/include/pe.h Normal file
View File

@ -0,0 +1,202 @@
typedef unsigned short WORD;
typedef unsigned int DWORD;
typedef unsigned int LONG;
typedef unsigned char BYTE;
#define IMAGE_DOS_SIGNATURE 0x5A4D
#define IMAGE_NT_SIGNATURE 0x00004550
#define IMAGE_NT_OPTIONAL_HDR32_MAGIC 0x10b
#pragma pack(push,2)
typedef struct _IMAGE_DOS_HEADER
{
WORD e_magic;
WORD e_cblp;
WORD e_cp;
WORD e_crlc;
WORD e_cparhdr;
WORD e_minalloc;
WORD e_maxalloc;
WORD e_ss;
WORD e_sp;
WORD e_csum;
WORD e_ip;
WORD e_cs;
WORD e_lfarlc;
WORD e_ovno;
WORD e_res[4];
WORD e_oemid;
WORD e_oeminfo;
WORD e_res2[10];
LONG e_lfanew;
} IMAGE_DOS_HEADER,*PIMAGE_DOS_HEADER;
#pragma pack(pop)
#pragma pack(push,4)
typedef struct _IMAGE_FILE_HEADER
{
WORD Machine;
WORD NumberOfSections;
DWORD TimeDateStamp;
DWORD PointerToSymbolTable;
DWORD NumberOfSymbols;
WORD SizeOfOptionalHeader;
WORD Characteristics;
} IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER;
typedef struct _IMAGE_DATA_DIRECTORY {
DWORD VirtualAddress;
DWORD Size;
} IMAGE_DATA_DIRECTORY,*PIMAGE_DATA_DIRECTORY;
#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16
typedef struct _IMAGE_OPTIONAL_HEADER {
WORD Magic;
BYTE MajorLinkerVersion;
BYTE MinorLinkerVersion;
DWORD SizeOfCode;
DWORD SizeOfInitializedData;
DWORD SizeOfUninitializedData;
DWORD AddressOfEntryPoint;
DWORD BaseOfCode;
DWORD BaseOfData;
DWORD ImageBase;
DWORD SectionAlignment;
DWORD FileAlignment;
WORD MajorOperatingSystemVersion;
WORD MinorOperatingSystemVersion;
WORD MajorImageVersion;
WORD MinorImageVersion;
WORD MajorSubsystemVersion;
WORD MinorSubsystemVersion;
DWORD Win32VersionValue;
DWORD SizeOfImage;
DWORD SizeOfHeaders;
DWORD CheckSum;
WORD Subsystem;
WORD DllCharacteristics;
DWORD SizeOfStackReserve;
DWORD SizeOfStackCommit;
DWORD SizeOfHeapReserve;
DWORD SizeOfHeapCommit;
DWORD LoaderFlags;
DWORD NumberOfRvaAndSizes;
IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
} IMAGE_OPTIONAL_HEADER,*PIMAGE_OPTIONAL_HEADER;
#pragma pack(pop)
#pragma pack(push,4)
typedef struct _IMAGE_NT_HEADERS
{
DWORD Signature;
IMAGE_FILE_HEADER FileHeader;
IMAGE_OPTIONAL_HEADER OptionalHeader;
} IMAGE_NT_HEADERS32,*PIMAGE_NT_HEADERS32;
#define IMAGE_SIZEOF_SHORT_NAME 8
typedef struct _IMAGE_SECTION_HEADER
{
BYTE Name[IMAGE_SIZEOF_SHORT_NAME];
union
{
DWORD PhysicalAddress;
DWORD VirtualSize;
} Misc;
DWORD VirtualAddress;
DWORD SizeOfRawData;
DWORD PointerToRawData;
DWORD PointerToRelocations;
DWORD PointerToLinenumbers;
WORD NumberOfRelocations;
WORD NumberOfLinenumbers;
DWORD Characteristics;
} IMAGE_SECTION_HEADER,*PIMAGE_SECTION_HEADER;
#pragma pack(pop)
#pragma pack(push,4)
typedef struct _IMAGE_BASE_RELOCATION {
DWORD VirtualAddress;
DWORD SizeOfBlock;
} IMAGE_BASE_RELOCATION,*PIMAGE_BASE_RELOCATION;
#pragma pack(pop)
typedef struct _IMAGE_IMPORT_DESCRIPTOR
{
union
{
DWORD Characteristics;
DWORD OriginalFirstThunk;
};
DWORD TimeDateStamp;
DWORD ForwarderChain;
DWORD Name;
DWORD FirstThunk;
} IMAGE_IMPORT_DESCRIPTOR,*PIMAGE_IMPORT_DESCRIPTOR;
typedef struct _IMAGE_THUNK_DATA32
{
union
{
DWORD ForwarderString;
DWORD Function;
DWORD Ordinal;
DWORD AddressOfData;
} u1;
} IMAGE_THUNK_DATA32,*PIMAGE_THUNK_DATA32;
typedef struct _IMAGE_IMPORT_BY_NAME
{
WORD Hint;
BYTE Name[1];
} IMAGE_IMPORT_BY_NAME,*PIMAGE_IMPORT_BY_NAME;
#define IMAGE_ORDINAL_FLAG 0x80000000
typedef struct _IMAGE_EXPORT_DIRECTORY {
DWORD Characteristics;
DWORD TimeDateStamp;
WORD MajorVersion;
WORD MinorVersion;
DWORD Name;
DWORD Base;
DWORD NumberOfFunctions;
DWORD NumberOfNames;
DWORD AddressOfFunctions;
DWORD AddressOfNames;
DWORD AddressOfNameOrdinals;
} IMAGE_EXPORT_DIRECTORY,*PIMAGE_EXPORT_DIRECTORY;
typedef struct
{
link_t link;
addr_t img_base;
size_t img_size;
char *img_name;
md_t *img_md;
PIMAGE_NT_HEADERS32 img_hdr;
PIMAGE_SECTION_HEADER img_sec;
PIMAGE_EXPORT_DIRECTORY img_exp;
u32_t img_map[8]; /* mapped treads */
}dll_t;
#define MakePtr( cast, ptr, addValue ) (cast)( (addr_t)(ptr) + (addr_t)(addValue) )
dll_t * find_dll(const char *name);
md_t* __fastcall load_image(const char *path);
void __export create_image(addr_t img_base, addr_t image) asm ("CreateImage");

5
kernel/branches/kolibri_pe/kernel.asm
View File

@ -179,11 +179,12 @@ extrn _poweroff
extrn _init
extrn _init_mm
extrn @init_heap@8
extrn _init_core_dll
extrn @core_alloc@4
extrn @core_free@4
extrn @init_heap@8
extrn @find_large_md@4
extrn _MemAlloc
@ -402,6 +403,8 @@ __core_restart:
mov edx, 0x40000000
call @init_heap@8
call _init_core_dll
mov esi, _16bit_start
mov ecx, _16bit_end
shr ecx, 2

33
kernel/branches/kolibri_pe/make.sh
View File

@ -1,33 +0,0 @@
#!/bin/bash
# This script does for linux the same as build.bat for DOS,
# it compiles the KoOS kernel, hopefully ;-)
CLANG=$1;
usage()
{
echo "Usage: make.sh [en|ru|ge|et]"
exit 1
}
compile()
{
fasm -m 65536 kernel.asm bin/kernel.mnt
rm -f lang.inc
exit 0
}
if [ ! $CLANG ] ; then
usage
fi
for i in "en" "ru" "ge" "et"; do
if [ $i == $CLANG ] ; then
echo "lang fix $i" > lang.inc
compile
fi
done
usage

1
kernel/branches/kolibri_pe/makefile
View File

@ -30,6 +30,7 @@ PE_SRC:= \
mm.c \
slab.c \
heap.c \
pe.c \
dll.c \
spinlock.c \
boot/boot.asm \