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

Merge /u/gmbr3/gnu-efi/ branch master into master 

https://sourceforge.net/p/gnu-efi/code/merge-requests/34/
This commit is contained in:
b'Nigel Croxon 2023-01-20 12:41:14 +00:00
parent c2102ae059 593e13937c
commit f7b2e1ff6d
8 changed files with 49 additions and 101 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

109
gnuefi/crt0-efi-aarch64.S
View File

@ -16,100 +16,10 @@
* either version 2 of the License, or (at your option) any later version.
*/
.section .text.head
/*
* Magic "MZ" signature for PE/COFF
*/
.globl ImageBase
ImageBase:
.ascii "MZ"
.skip 58 // 'MZ' + pad + offset == 64
.long pe_header - ImageBase // Offset to the PE header.
pe_header:
.ascii "PE"
.short 0
coff_header:
.short 0xaa64 // AArch64
.short 2 // nr_sections
.long 0 // TimeDateStamp
.long 0 // PointerToSymbolTable
.long 0 // NumberOfSymbols
.short section_table - optional_header // SizeOfOptionalHeader
.short 0x206 // Characteristics.
// IMAGE_FILE_DEBUG_STRIPPED |
// IMAGE_FILE_EXECUTABLE_IMAGE |
// IMAGE_FILE_LINE_NUMS_STRIPPED
optional_header:
.short 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
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
.long _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
.quad 0 // ExportTable
.quad 0 // ImportTable
.quad 0 // ResourceTable
.quad 0 // ExceptionTable
.quad 0 // CertificationTable
.quad 0 // BaseRelocationTable
// Section table
section_table:
.ascii ".text\0\0\0"
.long _data - _start // VirtualSize
.long _start - ImageBase // VirtualAddress
.long _data - _start // SizeOfRawData
.long _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 0x60000020 // Characteristics (section flags)
.ascii ".data\0\0\0"
.long _data_size // VirtualSize
.long _data - ImageBase // VirtualAddress
.long _data_size // SizeOfRawData
.long _data - 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 0xc0000040 // Characteristics (section flags)
.text
.align 12
.globl _start
_start:
stp x29, x30, [sp, #-32]!
mov x29, sp
@ -129,6 +39,19 @@ _start:
0: ldp x29, x30, [sp], #32
ret
// hand-craft a dummy .reloc section so EFI knows it's a relocatable executable:
.data
dummy: .long 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
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",%progbits
#endif

27
gnuefi/elf_aarch64_efi.lds
View File

@ -3,9 +3,18 @@ OUTPUT_ARCH(aarch64)
ENTRY(_start)
SECTIONS
{
.text 0x0 : {
. = 0;
ImageBase = .;
/* .hash and/or .gnu.hash MUST come first! */
.hash : { *(.hash) }
.gnu.hash : { *(.gnu.hash) }
. = ALIGN(4096);
.eh_frame :
{
*(.eh_frame)
}
.text : {
_text = .;
*(.text.head)
*(.text)
*(.text.*)
*(.gnu.linkonce.t.*)
@ -15,8 +24,14 @@ SECTIONS
}
_etext = .;
_text_size = . - _text;
. = ALIGN(4096);
.reloc :
{
*(.reloc)
}
. = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
.dynamic : { *(.dynamic) }
.data : ALIGN(4096)
.data :
{
_data = .;
*(.sdata)
@ -35,6 +50,7 @@ SECTIONS
*(.dynbss)
*(.bss)
*(COMMON)
*(.rel.local)
. = ALIGN(16);
_bss_end = .;
}
@ -53,9 +69,10 @@ SECTIONS
.dynstr : { *(.dynstr) }
. = ALIGN(4096);
.note.gnu.build-id : { *(.note.gnu.build-id) }
/DISCARD/ :
. = DATA_SEGMENT_END (.);
.ignored.reloc :
{
*(.rel.reloc)
*(.rela.reloc)
*(.eh_frame)
*(.note.GNU-stack)
}

2
gnuefi/elf_arm_efi.lds
View File

@ -15,6 +15,7 @@ SECTIONS
}
_etext = .;
_text_size = . - _text;
. = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
.dynamic : { *(.dynamic) }
.data :
{
@ -53,6 +54,7 @@ SECTIONS
.dynstr : { *(.dynstr) }
. = ALIGN(4096);
.note.gnu.build-id : { *(.note.gnu.build-id) }
. = DATA_SEGMENT_END (.);
/DISCARD/ :
{
*(.rel.reloc)

3
gnuefi/elf_ia32_efi.lds
View File

@ -19,7 +19,7 @@ SECTIONS
}
_etext = .;
_text_size = . - _text;
. = ALIGN(4096);
. = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
.sdata :
{
_data = .;
@ -76,6 +76,7 @@ SECTIONS
. = ALIGN(4096);
.dynstr : { *(.dynstr) }
. = ALIGN(4096);
. = DATA_SEGMENT_END (.);
/DISCARD/ :
{
*(.rel.reloc)

3
gnuefi/elf_ia64_efi.lds
View File

@ -19,7 +19,7 @@ SECTIONS
}
_etext = .;
_text_size = . - _text;
. = ALIGN(4096);
. = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
__gp = ALIGN (8) + 0x200000;
.sdata :
{
@ -71,6 +71,7 @@ SECTIONS
.dynsym : { *(.dynsym) }
. = ALIGN(4096);
.dynstr : { *(.dynstr) }
. = DATA_SEGMENT_END (.);
/DISCARD/ :
{
*(.rela.plabel)

2
gnuefi/elf_mips64el_efi.lds
View File

@ -15,6 +15,7 @@ SECTIONS
}
_etext = .;
_text_size = . - _text;
. = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
.dynamic : { *(.dynamic) }
.data :
{
@ -53,6 +54,7 @@ SECTIONS
.dynstr : { *(.dynstr) }
. = ALIGN(4096);
.note.gnu.build-id : { *(.note.gnu.build-id) }
. = DATA_SEGMENT_END (.);
/DISCARD/ :
{
*(.rel.reloc)

1
gnuefi/elf_riscv64_efi.lds
View File

@ -67,6 +67,7 @@ SECTIONS {
. = ALIGN(4096);
.note.gnu.build-id :
{ *(.note.gnu.build-id) }
. = DATA_SEGMENT_END (.);
/DISCARD/ :
{
*(.rel.reloc)

3
gnuefi/elf_x86_64_efi.lds
View File

@ -30,7 +30,7 @@ SECTIONS
{
*(.reloc)
}
. = ALIGN(4096);
. = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
.data :
{
_data = .;
@ -66,6 +66,7 @@ SECTIONS
. = ALIGN(4096);
.dynstr : { *(.dynstr) }
. = ALIGN(4096);
. = DATA_SEGMENT_END (.);
.ignored.reloc :
{
*(.rela.reloc)