Skip to content

Add support for Arm64 including all changes in PR #1302 (@swine, @surajjs95, @t-msn, and others) #1439

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
joe-lawrence merged 11 commits into from
Sep 19, 2025
Merged

Add support for Arm64 including all changes in PR #1302 (@swine, @surajjs95, @t-msn, and others) #1439

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
11 commits
Select commit Hold shift + click to select a range
6bea1dd
kpatch-build: update version to 0.9.10
puranjaymohan Jan 27, 2025
2ed84b1
kpatch-build: Add sym->has_func_profiling support for aarch64
Oct 6, 2021
062fd46
create-diff-object: Check __patchable_function_entries section for aa…
swine Jan 24, 2025
c1034f5
kpatch-build: Enable ARM64 support
Oct 6, 2021
72f6a88
create-diff-object: Include .rodata.str section in output object
Dec 3, 2021
8f29263
create-diff-object: Fix mapping symbol handling on aarch64
Sep 7, 2022
01db546
kpatch-syscall.h: add aarch64 helper
swine Jul 28, 2023
6f0ecd5
create-diff-object: Add support for arm64 DYNAMIC_FTRACE_WITH_CALL_OPS
dylanbhatch Jan 17, 2025
197c679
create-diff-object: skip sframe sections for now
puranjaymohan Feb 6, 2025
95d93a3
create-diff-object: don't mangle .rela.__patchable_function_entries
puranjaymohan Feb 7, 2025
f15eedf
test/unit/objs: Update reference for arm64 objs
puranjaymohan Sep 11, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 6 additions & 2 deletions kpatch-build/create-diff-object.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1700,8 +1700,8 @@ static void kpatch_check_func_profiling_calls(struct kpatch_elf *kelf)
(sym->parent && sym->parent->status == CHANGED))
continue;
if (!sym->twin->has_func_profiling) {
log_error("function %s has no fentry/mcount call, unable to patch\n",
sym->name);
log_error("function %s doesn't have patchable function entry, unable to patch\n",
sym->name);
errs++;
}
}
Expand Down Expand Up @@ -4180,6 +4180,10 @@ static void kpatch_find_func_profiling_calls(struct kpatch_elf *kelf)
insn[4] == 0x00 && insn[5] == 0x00)
sym->has_func_profiling = 1;
break;
case AARCH64:
if (kpatch_symbol_has_pfe_entry(kelf, sym))
sym->has_func_profiling = 1;
break;
default:
ERROR("unsupported arch");
}
Expand Down
3 changes: 3 additions & 0 deletions kpatch-build/kpatch-elf.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -594,6 +594,9 @@ struct kpatch_elf *kpatch_elf_open(const char *name)
case EM_S390:
kelf->arch = S390;
break;
case EM_AARCH64:
kelf->arch = ARM64;

@liu-song-6 liu-song-6 Aug 18, 2025

Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

This was updated to AARCH64 in a later commit. I guess this is a typo here?

break;
default:
ERROR("Unsupported target architecture");
}
Expand Down
1 change: 1 addition & 0 deletions kpatch-build/kpatch-elf.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,7 @@ enum architecture {
PPC64 = 0x1 << 0,
X86_64 = 0x1 << 1,
S390 = 0x1 << 2,
AARCH64 = 0x1 << 3,
};

struct kpatch_elf {
Expand Down