[PATCH v3 2/3] aarch64: ld: add tests for combination of bti and memory-seal

[Richard Earnshaw]

On 02/04/2025 14:05, Yury Khrustalev wrote:
> --- .../protections/bti-and-memory-seal-plt-1-a.d | 45 ++++++++++++++
> +++++ .../protections/bti-and-memory-seal-plt-1-b.d | 14 ++++++ 2
> files changed, 59 insertions(+) create mode 100644 ld/testsuite/ld-
> aarch64/protections/bti-and-memory-seal-plt-1-a.d create mode 100644
> ld/testsuite/ld-aarch64/protections/bti-and-memory-seal-plt-1-b.d
> 
> diff --git a/ld/testsuite/ld-aarch64/protections/bti-and-memory-seal-
> plt-1-a.d b/ld/testsuite/ld-aarch64/protections/bti-and-memory-seal-
> plt-1-a.d new file mode 100644 index 00000000000..f8b1c214b2b --- /
> dev/null +++ b/ld/testsuite/ld-aarch64/protections/bti-and-memory-
> seal-plt-1-a.d @@ -0,0 +1,45 @@ +#name: No '-z force-bti' with '-z
> memory-seal' with feature properties (BTI) forces the generation of
> BTI PLT (shared) +#source: bti-plt-1.s +#source: bti-plt-2.s 
> +#target: [check_shared_lib_support] +#as: -mabi=lp64 -defsym
> __property_bti__=1 +#ld: -shared -z memory-seal -T bti-plt.ld -L./
> tmpdir -lbti-plt-so +#objdump: -dr -j .plt + +[^:]*: *file format
> elf64-.*aarch64 + +Disassembly of section \.plt: + +[0-9]+ <\.plt>: 
> +.*:	d503245f 	bti	c +.*:	a9bf7bf0 	stp	x16, x30, \[sp, #-16\]! +.*:
> 90000090 	adrp	x16, 28000 <_GLOBAL_OFFSET_TABLE_> +.*:	f9400e11 	ldr
> x17, \[x16, #24\] +.*:	91006210 	add	x16, x16, #0x18 +.*:	d61f0220
> br	x17 +.*:	d503201f 	nop +.*:	d503201f 	nop + +[0-9]+ <.*>: +.*:
> 90000090 	adrp	x16, 28000 <_GLOBAL_OFFSET_TABLE_> +.*:	f9401211 	ldr
> x17, \[x16, #32\] +.*:	91008210 	add	x16, x16, #0x20 +.*:	d61f0220
> br	x17 + +[0-9]+ <.*>: +.*:	90000090 	adrp	x16, 28000
> <_GLOBAL_OFFSET_TABLE_> +.*:	f9401611 	ldr	x17, \[x16, #40\] +.*:
> 9100a210 	add	x16, x16, #0x28 +.*:	d61f0220 	br	x17 + +[0-9]+ <.*>: 
> +.*:	90000090 	adrp	x16, 28000 <_GLOBAL_OFFSET_TABLE_> +.*:	f9401a11
> ldr	x17, \[x16, #48\] +.*:	9100c210 	add	x16, x16, #0x30 +.*:
> d61f0220 	br	x17 + +[0-9]+ <.*>: +.*:	90000090 	adrp	x16, 28000
> <_GLOBAL_OFFSET_TABLE_> +.*:	f9401e11 	ldr	x17, \[x16, #56\] +.*:
> 9100e210 	add	x16, x16, #0x38 +.*:	d61f0220 	br	x17 diff --git a/ld/
> testsuite/ld-aarch64/protections/bti-and-memory-seal-plt-1-b.d b/ld/
> testsuite/ld-aarch64/protections/bti-and-memory-seal-plt-1-b.d new
> file mode 100644 index 00000000000..0dadcc9da5c --- /dev/null +++ b/
> ld/testsuite/ld-aarch64/protections/bti-and-memory-seal-plt-1-b.d @@
> -0,0 +1,14 @@ +#name: No '-z force-bti' with '-z memory-seal' all
> input objects have BTI emits BTI feature (shared) +#source: bti-
> plt-1.s +#source: bti-plt-2.s +#target: [check_shared_lib_support] 
> +#as: -mabi=lp64 -defsym __property_bti__=1 +#ld: -z memory-seal -
> shared -T bti-plt.ld +#readelf: -n + +Displaying notes found
> in: .note.gnu.property +[ 	]+Owner[ 	]+Data size[ 	]+Description +
> GNU                  0x00000018	NT_GNU_PROPERTY_TYPE_0 +
> Properties: memory seal\s +\s+AArch64 feature: BTI +#pass

This seems to be missing a commit message.  Otherwise this is OK.

R.