[PATCH helios v2 1/3] boot/+aarch64: Include .dynamic and .rel.reloc in PE data
Export this patch
---
boot/+aarch64/link.ld | 11 ++++++ -----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/boot/+aarch64/link.ld b/boot/+aarch64/link.ld
index b0b9b06..e85c02c 100644
--- a/boot/+aarch64/link.ld
@@ -3,7 +3,6 @@ OUTPUT_FORMAT(elf64-littleaarch64)
SECTIONS {
/DISCARD/ : {
- *(.rel.reloc) *(.eh_frame)
*(.note.GNU-stack)
*(.interp)
@@ -28,10 +27,6 @@ SECTIONS {
. = ALIGN(64K);
_etext = .;
- .dynamic : {- *(.dynamic)- }- .data : ALIGN(64K) {
_data = .;
KEEP(*(.data))
@@ -53,6 +48,9 @@ SECTIONS {
. += 512 * 8;
}
+ .dynamic : {+ *(.dynamic)+ } .rela.text : {
*(.rela.text)
*(.rela.text*)
@@ -70,6 +68,9 @@ SECTIONS {
*(.rela.data)
*(.rela.data*)
}
+ .rel.reloc : {+ *(.rel.reloc)+ }
.pecoff_edata_padding : {
BYTE(0);
--
2.42.0
[PATCH helios v2 2/3] boot/+aarch64: Set base address to 0
Export this patch
---
boot/+aarch64/link.ld | 2 + -
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/boot/+aarch64/link.ld b/boot/+aarch64/link.ld
index e85c02c..eeaac4e 100644
--- a/boot/+aarch64/link.ld
@@ -9,7 +9,7 @@ SECTIONS {
*(.dynsym .dynstr .hash .gnu.hash)
}
- . = 0xffff800000000000;+ . = 0x0;
.text.head : {
_head = .;
--
2.42.0
[PATCH helios v2 3/3] boot/+aarch64: Apply R_AARCH64_RELATIVE relocations
Export this patch
This fixes string literals after harec@219d934 (generate string constants using
gen_data_item)
---
boot/+aarch64/Makefile | 7 +++++++
boot/+aarch64/reloc.ha | 21 +++++++++++++++++ ----
2 files changed, 24 insertions(+), 4 deletions(-)
diff --git a/boot/+aarch64/Makefile b/boot/+aarch64/Makefile
index 21963a8..836f841 100644
--- a/boot/+aarch64/Makefile
@@ -19,6 +19,7 @@ BOOT_OBJS=\
$(BOOT)/header.o \
$(BOOT)/boot.o \
$(BOOT)/lib_efi.o \
+ $(BOOT)/lib_elf.o \ $(BOOT)/lib_endian.o \
$(BOOT)/lib_cons.o \
$(BOOT)/lib_types.o \
@@ -94,6 +95,12 @@ BYTES_SRC=\
$(BOOT)/lib_bytes.o: $(BYTES_SRC)
HAREPATH=. $(HARE) build $(HARECONFIG) -to -N bytes -o $@ bytes
+ ELF_SRC=\+ elf/types.ha+ + $(BOOT)/lib_elf.o: $(ELF_SRC)+ HAREPATH=. $(HARE) build $(HARECONFIG) -to -N elf -o $@ elf+ ENDIAN_SRC=\
endian/big.ha \
endian/endian.ha \
diff --git a/boot/+aarch64/reloc.ha b/boot/+aarch64/reloc.ha
index 8499935..3045f6b 100644
--- a/boot/+aarch64/reloc.ha
@@ -1,8 +1,10 @@
use elf;
use efi;
- export fn relocate(base: uintptr, dynamic: *opaque) efi::STATUS = {- let dynamic = dynamic: *[*]elf::dyn64;+ // https://github.com/ARM-software/abi-aa/blob/main/aaelf64/aaelf64.rst#5712dynamic-relocations+ def R_AARCH64_RELATIVE: u64 = 1027;+ + export fn relocate(base: uintptr, dynamic: *[*]elf::dyn64) efi::STATUS = { let rela: nullable *[*]elf::rela64 = null,
relasz = 0z,
relaent = 0z;
@@ -30,9 +32,20 @@ export fn relocate(base: uintptr, dynamic: *opaque) efi::STATUS = {
return efi::STATUS::LOAD_ERROR;
};
- const rela = rela: *[*]elf::rela64; // We're sure this is not null+ if (relaent != size(elf::rela64)) {+ return efi::STATUS::LOAD_ERROR;+ };+ + const rela = rela: *[*]elf::rela64; for (let i = 0z; i * relaent < relasz; i += 1) {
- abort(); // XXX: TODO+ const ent = rela[i];+ switch (elf::r64_type(ent.r_info)) {+ case R_AARCH64_RELATIVE =>+ const dest = (base + ent.r_offset: uintptr): *u64;+ *dest = (base: i64 + ent.r_addend): u64;+ case =>+ return efi::STATUS::LOAD_ERROR;+ }; };
return efi::STATUS::SUCCESS;
--
2.42.0
helios/patches/.build.yml: FAILED in 1m23s
[boot/+aarch64: Include .dynamic and .rel.reloc in PE data][0] v2 from [Alexey Yerin][1]
[0]: https://lists.sr.ht/~sircmpwn/helios-devel/patches/44836
[1]: mailto:yyp@disroot.org
✗ #1059258 FAILED helios/patches/.build.yml https://builds.sr.ht/~sircmpwn/job/1059258