When adding
const unsigned short *menu_items[] = { u"abc\n", u"def\n", NULL };
to helloworld.c outside of a function and then referring to the variable in a function the pointer the reference is incorrect. This is due to not considering the generated relocations.
Fix the linker script and the PE-COFF header.
Fixes: c65d76ed5f81 ("efi: arm: Add aarch64 EFI app support") Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- arch/arm/lib/crt0_aarch64_efi.S | 32 ++++++++++++++++---------------- arch/arm/lib/elf_aarch64_efi.lds | 11 +++++++---- 2 files changed, 23 insertions(+), 20 deletions(-)
diff --git a/arch/arm/lib/crt0_aarch64_efi.S b/arch/arm/lib/crt0_aarch64_efi.S index 3c2cef6ec7..3520182217 100644 --- a/arch/arm/lib/crt0_aarch64_efi.S +++ b/arch/arm/lib/crt0_aarch64_efi.S @@ -89,22 +89,6 @@ section_table: * because EFI applications must be relocatable. This is a * dummy section as far as we are concerned. */ - .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 */ - /* Characteristics (section flags) */ - .long (IMAGE_SCN_MEM_READ | \ - IMAGE_SCN_MEM_DISCARDABLE | \ - IMAGE_SCN_CNT_INITIALIZED_DATA) - .ascii ".text" .byte 0 .byte 0 @@ -139,6 +123,22 @@ section_table: IMAGE_SCN_MEM_READ | \ IMAGE_SCN_CNT_INITIALIZED_DATA)
+ .ascii ".reloc" + .byte 0 + .byte 0 /* end of 0 padding of section name */ + .long _relo_size /* VirtualSize */ + .long _relo - ImageBase /* VirtualAddress */ + .long _relo_size /* SizeOfRawData */ + .long _relo - ImageBase /* PointerToRawData */ + .long 0 /* PointerToRelocations */ + .long 0 /* PointerToLineNumbers */ + .short 0 /* NumberOfRelocations */ + .short 0 /* NumberOfLineNumbers */ + /* Characteristics (section flags) */ + .long (IMAGE_SCN_MEM_READ | \ + IMAGE_SCN_MEM_DISCARDABLE | \ + IMAGE_SCN_CNT_INITIALIZED_DATA) + .align 12 _start: stp x29, x30, [sp, #-32]! diff --git a/arch/arm/lib/elf_aarch64_efi.lds b/arch/arm/lib/elf_aarch64_efi.lds index 3e3da47d6a..1ec2e7fec8 100644 --- a/arch/arm/lib/elf_aarch64_efi.lds +++ b/arch/arm/lib/elf_aarch64_efi.lds @@ -57,10 +57,13 @@ SECTIONS _edata = .; } :data _data_size = _edata - _data; - .rela.dyn : { *(.rela.dyn) } - .rela.plt : { *(.rela.plt) } - .rela.got : { *(.rela.got) } - .rela.data : { *(.rela.data) *(.rela.data*) } + . = ALIGN(4096); + .reloc : { + _relo = .; + *(.rela*) + _erelo = .; + } + _relo_size = _erelo - _relo;
. = ALIGN(4096); .dynsym : { *(.dynsym) }