mirrors
/
gnu-efi
mirror of https://github.com/ncroxon/gnu-efi
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Avoid processor dependent sizes in assembly 

.word -> .2byte
.short -> .2byte
.long -> .4byte
.quad -> .8byte

Reference: b83f0845b5
Fixes: https://sourceforge.net/p/gnu-efi/bugs/37/

Signed-off-by: Callum Farmer <gmbr3@opensuse.org>
This commit is contained in:
Callum Farmer 2023-05-20 13:37:04 +01:00 committed by Nigel Croxon
parent 20d8d8adc7
commit 6f0648992a
7 changed files with 257 additions and 257 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
gnuefi/crt0-efi-aarch64.S
View File

@ -42,15 +42,15 @@ _start:
// hand-craft a dummy .reloc section so EFI knows it's a relocatable executable:
.data
dummy: .long 0
dummy: .4byte 0
#define IMAGE_REL_ABSOLUTE 0
.section .reloc, "a"
label1:
.long dummy-label1 // Page RVA
.long 12 // Block Size (2*4+2*2), must be aligned by 32 Bits
.word (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
.word (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
.4byte dummy-label1 // Page RVA
.4byte 12 // Block Size (2*4+2*2), must be aligned by 32 Bits
.2byte (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
.2byte (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",%progbits

124
gnuefi/crt0-efi-arm.S
View File

@ -25,65 +25,65 @@
ImageBase:
.ascii "MZ"
.skip 58 // 'MZ' + pad + offset == 64
.long pe_header - ImageBase // Offset to the PE header.
.4byte pe_header - ImageBase // Offset to the PE header.
pe_header:
.ascii "PE"
.short 0
.2byte 0
coff_header:
.short 0x1c2 // Mixed ARM/Thumb
.short 2 // nr_sections
.long 0 // TimeDateStamp
.long 0 // PointerToSymbolTable
.long 0 // NumberOfSymbols
.short section_table - optional_header // SizeOfOptionalHeader
.short 0x306 // Characteristics.
.2byte 0x1c2 // Mixed ARM/Thumb
.2byte 2 // nr_sections
.4byte 0 // TimeDateStamp
.4byte 0 // PointerToSymbolTable
.4byte 0 // NumberOfSymbols
.2byte section_table - optional_header // SizeOfOptionalHeader
.2byte 0x306 // Characteristics.
// IMAGE_FILE_32BIT_MACHINE |
// IMAGE_FILE_DEBUG_STRIPPED |
// IMAGE_FILE_EXECUTABLE_IMAGE |
// IMAGE_FILE_LINE_NUMS_STRIPPED
optional_header:
.short 0x10b // PE32+ format
.2byte 0x10b // PE32+ format
.byte 0x02 // MajorLinkerVersion
.byte 0x14 // MinorLinkerVersion
.long _edata - _start // SizeOfCode
.long 0 // SizeOfInitializedData
.long 0 // SizeOfUninitializedData
.long _start - ImageBase // AddressOfEntryPoint
.long _start - ImageBase // BaseOfCode
.long 0 // BaseOfData
.4byte _edata - _start // SizeOfCode
.4byte 0 // SizeOfInitializedData
.4byte 0 // SizeOfUninitializedData
.4byte _start - ImageBase // AddressOfEntryPoint
.4byte _start - ImageBase // BaseOfCode
.4byte 0 // BaseOfData
extra_header_fields:
.long 0 // ImageBase
.long 0x20 // SectionAlignment
.long 0x8 // FileAlignment
.short 0 // MajorOperatingSystemVersion
.short 0 // MinorOperatingSystemVersion
.short 0 // MajorImageVersion
.short 0 // MinorImageVersion
.short 0 // MajorSubsystemVersion
.short 0 // MinorSubsystemVersion
.long 0 // Win32VersionValue
.4byte 0 // ImageBase
.4byte 0x20 // SectionAlignment
.4byte 0x8 // FileAlignment
.2byte 0 // MajorOperatingSystemVersion
.2byte 0 // MinorOperatingSystemVersion
.2byte 0 // MajorImageVersion
.2byte 0 // MinorImageVersion
.2byte 0 // MajorSubsystemVersion
.2byte 0 // MinorSubsystemVersion
.4byte 0 // Win32VersionValue
.long _edata - ImageBase // SizeOfImage
.4byte _edata - ImageBase // SizeOfImage
// Everything before the kernel image is considered part of the header
.long _start - ImageBase // SizeOfHeaders
.long 0 // CheckSum
.short EFI_SUBSYSTEM // Subsystem
.short 0 // DllCharacteristics
.long 0 // SizeOfStackReserve
.long 0 // SizeOfStackCommit
.long 0 // SizeOfHeapReserve
.long 0 // SizeOfHeapCommit
.long 0 // LoaderFlags
.long 0x6 // NumberOfRvaAndSizes
.4byte _start - ImageBase // SizeOfHeaders
.4byte 0 // CheckSum
.2byte EFI_SUBSYSTEM // Subsystem
.2byte 0 // DllCharacteristics
.4byte 0 // SizeOfStackReserve
.4byte 0 // SizeOfStackCommit
.4byte 0 // SizeOfHeapReserve
.4byte 0 // SizeOfHeapCommit
.4byte 0 // LoaderFlags
.4byte 0x6 // NumberOfRvaAndSizes
.quad 0 // ExportTable
.quad 0 // ImportTable
.quad 0 // ResourceTable
.quad 0 // ExceptionTable
.quad 0 // CertificationTable
.quad 0 // BaseRelocationTable
.8byte 0 // ExportTable
.8byte 0 // ImportTable
.8byte 0 // ResourceTable
.8byte 0 // ExceptionTable
.8byte 0 // CertificationTable
.8byte 0 // BaseRelocationTable
// Section table
section_table:
@ -96,31 +96,31 @@ section_table:
.ascii ".reloc"
.byte 0
.byte 0 // end of 0 padding of section name
.long 0
.long 0
.long 0 // SizeOfRawData
.long 0 // PointerToRawData
.long 0 // PointerToRelocations
.long 0 // PointerToLineNumbers
.short 0 // NumberOfRelocations
.short 0 // NumberOfLineNumbers
.long 0x42100040 // Characteristics (section flags)
.4byte 0
.4byte 0
.4byte 0 // SizeOfRawData
.4byte 0 // PointerToRawData
.4byte 0 // PointerToRelocations
.4byte 0 // PointerToLineNumbers
.2byte 0 // NumberOfRelocations
.2byte 0 // NumberOfLineNumbers
.4byte 0x42100040 // Characteristics (section flags)
.ascii ".text"
.byte 0
.byte 0
.byte 0 // end of 0 padding of section name
.long _edata - _start // VirtualSize
.long _start - ImageBase // VirtualAddress
.long _edata - _start // SizeOfRawData
.long _start - ImageBase // PointerToRawData
.4byte _edata - _start // VirtualSize
.4byte _start - ImageBase // VirtualAddress
.4byte _edata - _start // SizeOfRawData
.4byte _start - ImageBase // PointerToRawData
.long 0 // PointerToRelocations (0 for executables)
.long 0 // PointerToLineNumbers (0 for executables)
.short 0 // NumberOfRelocations (0 for executables)
.short 0 // NumberOfLineNumbers (0 for executables)
.long 0xe0500020 // Characteristics (section flags)
.4byte 0 // PointerToRelocations (0 for executables)
.4byte 0 // PointerToLineNumbers (0 for executables)
.2byte 0 // NumberOfRelocations (0 for executables)
.2byte 0 // NumberOfLineNumbers (0 for executables)
.4byte 0xe0500020 // Characteristics (section flags)
_start:
stmfd sp!, {r0-r2, lr}
@ -142,7 +142,7 @@ _start:
ldr pc, [sp], #4
.L_DYNAMIC:
.word _DYNAMIC - .
.2byte _DYNAMIC - .
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",%progbits

10
gnuefi/crt0-efi-ia32.S
View File

@ -67,14 +67,14 @@ _start:
// hand-craft a dummy .reloc section so EFI knows it's a relocatable executable:
.data
dummy: .long 0
dummy: .4byte 0
#define IMAGE_REL_ABSOLUTE 0
.section .reloc
.long dummy // Page RVA
.long 12 // Block Size (2*4+2*2), must be aligned by 32 Bits
.word (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
.word (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
.4byte dummy // Page RVA
.4byte 12 // Block Size (2*4+2*2), must be aligned by 32 Bits
.2byte (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
.2byte (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",%progbits

120
gnuefi/crt0-efi-loongarch64.S
View File

@ -29,63 +29,63 @@
ImageBase:
.ascii "MZ"
.skip 58 // 'MZ' + pad + offset == 64
.long pe_header - ImageBase // Offset to the PE header.
.4byte pe_header - ImageBase // Offset to the PE header.
pe_header:
.ascii "PE"
.short 0
.2byte 0
coff_header:
.short 0x6264 // loongarch64 little endian
.short 2 // nr_sections
.long 0 // TimeDateStamp
.long 0 // PointerToSymbolTable
.long 1 // NumberOfSymbols
.short section_table - optional_header // SizeOfOptionalHeader
.short 0x206 // Characteristics.
.2byte 0x6264 // loongarch64 little endian
.2byte 2 // nr_sections
.4byte 0 // TimeDateStamp
.4byte 0 // PointerToSymbolTable
.4byte 1 // NumberOfSymbols
.2byte section_table - optional_header // SizeOfOptionalHeader
.2byte 0x206 // Characteristics.
// IMAGE_FILE_DEBUG_STRIPPED |
// IMAGE_FILE_EXECUTABLE_IMAGE |
// IMAGE_FILE_LINE_NUMS_STRIPPED
optional_header:
.short 0x20b // PE32+ format
.2byte 0x20b // PE32+ format
.byte 0x02 // MajorLinkerVersion
.byte 0x14 // MinorLinkerVersion
.long _edata - _start // SizeOfCode
.long 0 // SizeOfInitializedData
.long 0 // SizeOfUninitializedData
.long _start - ImageBase // AddressOfEntryPoint
.long _start - ImageBase // BaseOfCode
.4byte _edata - _start // SizeOfCode
.4byte 0 // SizeOfInitializedData
.4byte 0 // SizeOfUninitializedData
.4byte _start - ImageBase // AddressOfEntryPoint
.4byte _start - ImageBase // BaseOfCode
extra_header_fields:
.quad 0 // ImageBase
.long 0x20 // SectionAlignment
.long 0x8 // FileAlignment
.short 0 // MajorOperatingSystemVersion
.short 0 // MinorOperatingSystemVersion
.short 0 // MajorImageVersion
.short 0 // MinorImageVersion
.short 0 // MajorSubsystemVersion
.short 0 // MinorSubsystemVersion
.long 0 // Win32VersionValue
.8byte 0 // ImageBase
.4byte 0x20 // SectionAlignment
.4byte 0x8 // FileAlignment
.2byte 0 // MajorOperatingSystemVersion
.2byte 0 // MinorOperatingSystemVersion
.2byte 0 // MajorImageVersion
.2byte 0 // MinorImageVersion
.2byte 0 // MajorSubsystemVersion
.2byte 0 // MinorSubsystemVersion
.4byte 0 // Win32VersionValue
.long _edata - ImageBase // SizeOfImage
.4byte _edata - ImageBase // SizeOfImage
// Everything before the kernel image is considered part of the header
.long _start - ImageBase // SizeOfHeaders
.long 0 // CheckSum
.short EFI_SUBSYSTEM // Subsystem
.short 0 // DllCharacteristics
.quad 0 // SizeOfStackReserve
.quad 0 // SizeOfStackCommit
.quad 0 // SizeOfHeapReserve
.quad 0 // SizeOfHeapCommit
.long 0 // LoaderFlags
.long 0x6 // NumberOfRvaAndSizes
.4byte _start - ImageBase // SizeOfHeaders
.4byte 0 // CheckSum
.2byte EFI_SUBSYSTEM // Subsystem
.2byte 0 // DllCharacteristics
.8byte 0 // SizeOfStackReserve
.8byte 0 // SizeOfStackCommit
.8byte 0 // SizeOfHeapReserve
.8byte 0 // SizeOfHeapCommit
.4byte 0 // LoaderFlags
.4byte 0x6 // NumberOfRvaAndSizes
.quad 0 // ExportTable
.quad 0 // ImportTable
.quad 0 // ResourceTable
.quad 0 // ExceptionTable
.quad 0 // CertificationTable
.quad 0 // BaseRelocationTable
.8byte 0 // ExportTable
.8byte 0 // ImportTable
.8byte 0 // ResourceTable
.8byte 0 // ExceptionTable
.8byte 0 // CertificationTable
.8byte 0 // BaseRelocationTable
// Section table
section_table:
@ -98,31 +98,31 @@ section_table:
.ascii ".reloc"
.byte 0
.byte 0 // end of 0 padding of section name
.long 0
.long 0
.long 0 // SizeOfRawData
.long 0 // PointerToRawData
.long 0 // PointerToRelocations
.long 0 // PointerToLineNumbers
.short 0 // NumberOfRelocations
.short 0 // NumberOfLineNumbers
.long 0x42100040 // Characteristics (section flags)
.4byte 0
.4byte 0
.4byte 0 // SizeOfRawData
.4byte 0 // PointerToRawData
.4byte 0 // PointerToRelocations
.4byte 0 // PointerToLineNumbers
.2byte 0 // NumberOfRelocations
.2byte 0 // NumberOfLineNumbers
.4byte 0x42100040 // Characteristics (section flags)
.ascii ".text"
.byte 0
.byte 0
.byte 0 // end of 0 padding of section name
.long _edata - _start // VirtualSize
.long _start - ImageBase // VirtualAddress
.long _edata - _start // SizeOfRawData
.long _start - ImageBase // PointerToRawData
.4byte _edata - _start // VirtualSize
.4byte _start - ImageBase // VirtualAddress
.4byte _edata - _start // SizeOfRawData
.4byte _start - ImageBase // PointerToRawData
.long 0 // PointerToRelocations (0 for executables)
.long 0 // PointerToLineNumbers (0 for executables)
.short 0 // NumberOfRelocations (0 for executables)
.short 0 // NumberOfLineNumbers (0 for executables)
.long 0xe0500020 // Characteristics (section flags)
.4byte 0 // PointerToRelocations (0 for executables)
.4byte 0 // PointerToLineNumbers (0 for executables)
.2byte 0 // NumberOfRelocations (0 for executables)
.2byte 0 // NumberOfLineNumbers (0 for executables)
.4byte 0xe0500020 // Characteristics (section flags)
.align 4

120
gnuefi/crt0-efi-mips64el.S
View File

@ -26,63 +26,63 @@
ImageBase:
.ascii "MZ"
.skip 58 // 'MZ' + pad + offset == 64
.long pe_header - ImageBase // Offset to the PE header.
.4byte pe_header - ImageBase // Offset to the PE header.
pe_header:
.ascii "PE"
.short 0
.2byte 0
coff_header:
.short 0x166 // MIPS little endian
.short 2 // nr_sections
.long 0 // TimeDateStamp
.long 0 // PointerToSymbolTable
.long 0 // NumberOfSymbols
.short section_table - optional_header // SizeOfOptionalHeader
.short 0x206 // Characteristics.
.2byte 0x166 // MIPS little endian
.2byte 2 // nr_sections
.4byte 0 // TimeDateStamp
.4byte 0 // PointerToSymbolTable
.4byte 0 // NumberOfSymbols
.2byte section_table - optional_header // SizeOfOptionalHeader
.2byte 0x206 // Characteristics.
// IMAGE_FILE_DEBUG_STRIPPED |
// IMAGE_FILE_EXECUTABLE_IMAGE |
// IMAGE_FILE_LINE_NUMS_STRIPPED
optional_header:
.short 0x20b // PE32+ format
.2byte 0x20b // PE32+ format
.byte 0x02 // MajorLinkerVersion
.byte 0x14 // MinorLinkerVersion
.long _edata - _start // SizeOfCode
.long 0 // SizeOfInitializedData
.long 0 // SizeOfUninitializedData
.long _start - ImageBase // AddressOfEntryPoint
.long _start - ImageBase // BaseOfCode
.4byte _edata - _start // SizeOfCode
.4byte 0 // SizeOfInitializedData
.4byte 0 // SizeOfUninitializedData
.4byte _start - ImageBase // AddressOfEntryPoint
.4byte _start - ImageBase // BaseOfCode
extra_header_fields:
.quad 0 // ImageBase
.long 0x20 // SectionAlignment
.long 0x8 // FileAlignment
.short 0 // MajorOperatingSystemVersion
.short 0 // MinorOperatingSystemVersion
.short 0 // MajorImageVersion
.short 0 // MinorImageVersion
.short 0 // MajorSubsystemVersion
.short 0 // MinorSubsystemVersion
.long 0 // Win32VersionValue
.8byte 0 // ImageBase
.4byte 0x20 // SectionAlignment
.4byte 0x8 // FileAlignment
.2byte 0 // MajorOperatingSystemVersion
.2byte 0 // MinorOperatingSystemVersion
.2byte 0 // MajorImageVersion
.2byte 0 // MinorImageVersion
.2byte 0 // MajorSubsystemVersion
.2byte 0 // MinorSubsystemVersion
.4byte 0 // Win32VersionValue
.long _edata - ImageBase // SizeOfImage
.4byte _edata - ImageBase // SizeOfImage
// Everything before the kernel image is considered part of the header
.long _start - ImageBase // SizeOfHeaders
.long 0 // CheckSum
.short EFI_SUBSYSTEM // Subsystem
.short 0 // DllCharacteristics
.quad 0 // SizeOfStackReserve
.quad 0 // SizeOfStackCommit
.quad 0 // SizeOfHeapReserve
.quad 0 // SizeOfHeapCommit
.long 0 // LoaderFlags
.long 0x6 // NumberOfRvaAndSizes
.4byte _start - ImageBase // SizeOfHeaders
.4byte 0 // CheckSum
.2byte EFI_SUBSYSTEM // Subsystem
.2byte 0 // DllCharacteristics
.8byte 0 // SizeOfStackReserve
.8byte 0 // SizeOfStackCommit
.8byte 0 // SizeOfHeapReserve
.8byte 0 // SizeOfHeapCommit
.4byte 0 // LoaderFlags
.4byte 0x6 // NumberOfRvaAndSizes
.quad 0 // ExportTable
.quad 0 // ImportTable
.quad 0 // ResourceTable
.quad 0 // ExceptionTable
.quad 0 // CertificationTable
.quad 0 // BaseRelocationTable
.8byte 0 // ExportTable
.8byte 0 // ImportTable
.8byte 0 // ResourceTable
.8byte 0 // ExceptionTable
.8byte 0 // CertificationTable
.8byte 0 // BaseRelocationTable
// Section table
section_table:
@ -95,31 +95,31 @@ section_table:
.ascii ".reloc"
.byte 0
.byte 0 // end of 0 padding of section name
.long 0
.long 0
.long 0 // SizeOfRawData
.long 0 // PointerToRawData
.long 0 // PointerToRelocations
.long 0 // PointerToLineNumbers
.short 0 // NumberOfRelocations
.short 0 // NumberOfLineNumbers
.long 0x42100040 // Characteristics (section flags)
.4byte 0
.4byte 0
.4byte 0 // SizeOfRawData
.4byte 0 // PointerToRawData
.4byte 0 // PointerToRelocations
.4byte 0 // PointerToLineNumbers
.2byte 0 // NumberOfRelocations
.2byte 0 // NumberOfLineNumbers
.4byte 0x42100040 // Characteristics (section flags)
.ascii ".text"
.byte 0
.byte 0
.byte 0 // end of 0 padding of section name
.long _edata - _start // VirtualSize
.long _start - ImageBase // VirtualAddress
.long _edata - _start // SizeOfRawData
.long _start - ImageBase // PointerToRawData
.4byte _edata - _start // VirtualSize
.4byte _start - ImageBase // VirtualAddress
.4byte _edata - _start // SizeOfRawData
.4byte _start - ImageBase // PointerToRawData
.long 0 // PointerToRelocations (0 for executables)
.long 0 // PointerToLineNumbers (0 for executables)
.short 0 // NumberOfRelocations (0 for executables)
.short 0 // NumberOfLineNumbers (0 for executables)
.long 0xe0500020 // Characteristics (section flags)
.4byte 0 // PointerToRelocations (0 for executables)
.4byte 0 // PointerToLineNumbers (0 for executables)
.2byte 0 // NumberOfRelocations (0 for executables)
.2byte 0 // NumberOfLineNumbers (0 for executables)
.4byte 0xe0500020 // Characteristics (section flags)
.set push
.set noreorder

120
gnuefi/crt0-efi-riscv64.S
View File

@ -29,63 +29,63 @@
ImageBase:
.ascii "MZ"
.skip 58 // 'MZ' + pad + offset == 64
.long pe_header - ImageBase // Offset to the PE header.
.4byte pe_header - ImageBase // Offset to the PE header.
pe_header:
.ascii "PE"
.short 0
.2byte 0
coff_header:
.short 0x5064 // riscv64
.short 2 // nr_sections
.long 0 // TimeDateStamp
.long 0 // PointerToSymbolTable
.long 0 // NumberOfSymbols
.short section_table - optional_header // SizeOfOptionalHeader
.short 0x206 // Characteristics.
.2byte 0x5064 // riscv64
.2byte 2 // nr_sections
.4byte 0 // TimeDateStamp
.4byte 0 // PointerToSymbolTable
.4byte 0 // NumberOfSymbols
.2byte section_table - optional_header // SizeOfOptionalHeader
.2byte 0x206 // Characteristics.
// IMAGE_FILE_DEBUG_STRIPPED |
// IMAGE_FILE_EXECUTABLE_IMAGE |
// IMAGE_FILE_LINE_NUMS_STRIPPED
optional_header:
.short 0x20b // PE32+ format
.2byte 0x20b // PE32+ format
.byte 0x02 // MajorLinkerVersion
.byte 0x14 // MinorLinkerVersion
.long _data - _start // SizeOfCode
.long _data_size // SizeOfInitializedData
.long 0 // SizeOfUninitializedData
.long _start - ImageBase // AddressOfEntryPoint
.long _start - ImageBase // BaseOfCode
.4byte _data - _start // SizeOfCode
.4byte _data_size // SizeOfInitializedData
.4byte 0 // SizeOfUninitializedData
.4byte _start - ImageBase // AddressOfEntryPoint
.4byte _start - ImageBase // BaseOfCode
extra_header_fields:
.quad 0 // ImageBase
.long 0x1000 // SectionAlignment
.long 0x200 // FileAlignment
.short 0 // MajorOperatingSystemVersion
.short 0 // MinorOperatingSystemVersion
.short 0 // MajorImageVersion
.short 0 // MinorImageVersion
.short 0 // MajorSubsystemVersion
.short 0 // MinorSubsystemVersion
.long 0 // Win32VersionValue
.8byte 0 // ImageBase
.4byte 0x1000 // SectionAlignment
.4byte 0x200 // FileAlignment
.2byte 0 // MajorOperatingSystemVersion
.2byte 0 // MinorOperatingSystemVersion
.2byte 0 // MajorImageVersion
.2byte 0 // MinorImageVersion
.2byte 0 // MajorSubsystemVersion
.2byte 0 // MinorSubsystemVersion
.4byte 0 // Win32VersionValue
.long _edata - ImageBase // SizeOfImage
.4byte _edata - ImageBase // SizeOfImage
// Everything before the kernel image is considered part of the header
.long _start - ImageBase // SizeOfHeaders
.long 0 // CheckSum
.short EFI_SUBSYSTEM // Subsystem
.short 0 // DllCharacteristics
.quad 0 // SizeOfStackReserve
.quad 0 // SizeOfStackCommit
.quad 0 // SizeOfHeapReserve
.quad 0 // SizeOfHeapCommit
.long 0 // LoaderFlags
.long 0x6 // NumberOfRvaAndSizes
.4byte _start - ImageBase // SizeOfHeaders
.4byte 0 // CheckSum
.2byte EFI_SUBSYSTEM // Subsystem
.2byte 0 // DllCharacteristics
.8byte 0 // SizeOfStackReserve
.8byte 0 // SizeOfStackCommit
.8byte 0 // SizeOfHeapReserve
.8byte 0 // SizeOfHeapCommit
.4byte 0 // LoaderFlags
.4byte 0x6 // NumberOfRvaAndSizes
.quad 0 // ExportTable
.quad 0 // ImportTable
.quad 0 // ResourceTable
.quad 0 // ExceptionTable
.quad 0 // CertificationTable
.quad 0 // BaseRelocationTable
.8byte 0 // ExportTable
.8byte 0 // ImportTable
.8byte 0 // ResourceTable
.8byte 0 // ExceptionTable
.8byte 0 // CertificationTable
.8byte 0 // BaseRelocationTable
// Section table
section_table:
@ -95,27 +95,27 @@ section_table:
* dummy section as far as we are concerned.
*/
.ascii ".reloc\0\0"
.long 0
.long 0
.long 0 // SizeOfRawData
.long 0 // PointerToRawData
.long 0 // PointerToRelocations
.long 0 // PointerToLineNumbers
.short 0 // NumberOfRelocations
.short 0 // NumberOfLineNumbers
.long 0x42100040 // Characteristics (section flags)
.4byte 0
.4byte 0
.4byte 0 // SizeOfRawData
.4byte 0 // PointerToRawData
.4byte 0 // PointerToRelocations
.4byte 0 // PointerToLineNumbers
.2byte 0 // NumberOfRelocations
.2byte 0 // NumberOfLineNumbers
.4byte 0x42100040 // Characteristics (section flags)
.ascii ".text\0\0\0"
.long _edata - _start // VirtualSize
.long _start - ImageBase // VirtualAddress
.long _edata - _start // SizeOfRawData
.long _start - ImageBase // PointerToRawData
.4byte _edata - _start // VirtualSize
.4byte _start - ImageBase // VirtualAddress
.4byte _edata - _start // SizeOfRawData
.4byte _start - ImageBase // PointerToRawData
.long 0 // PointerToRelocations (0 for executables)
.long 0 // PointerToLineNumbers (0 for executables)
.short 0 // NumberOfRelocations (0 for executables)
.short 0 // NumberOfLineNumbers (0 for executables)
.long 0xe0500020 // Characteristics (section flags)
.4byte 0 // PointerToRelocations (0 for executables)
.4byte 0 // PointerToLineNumbers (0 for executables)
.2byte 0 // NumberOfRelocations (0 for executables)
.2byte 0 // NumberOfLineNumbers (0 for executables)
.4byte 0xe0500020 // Characteristics (section flags)
.align 12
.globl _start

10
gnuefi/crt0-efi-x86_64.S
View File

@ -65,15 +65,15 @@ _start:
// hand-craft a dummy .reloc section so EFI knows it's a relocatable executable:
.data
dummy: .long 0
dummy: .4byte 0
#define IMAGE_REL_ABSOLUTE 0
.section .reloc, "a"
label1:
.long dummy-label1 // Page RVA
.long 12 // Block Size (2*4+2*2), must be aligned by 32 Bits
.word (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
.word (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
.4byte dummy-label1 // Page RVA
.4byte 12 // Block Size (2*4+2*2), must be aligned by 32 Bits
.2byte (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
.2byte (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",%progbits