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Merged
mohanson merged 1 commit into from
Nov 18, 2025
Merged

test: add CFI tests for stack operations #496

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3 changes: 3 additions & 0 deletions tests/programs/_build_cfi_native.sh
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Expand Up @@ -23,3 +23,6 @@ build cfi_lpad_unlabeled_failed.S cfi_lpad_unlabeled_failed
build cfi_lpad_func_sig.S cfi_lpad_func_sig
build cfi_lpad_func_sig_zero.S cfi_lpad_func_sig_zero
build cfi_lpad_func_sig_failed.S cfi_lpad_func_sig_failed
build cfi_ss_only_pop.S cfi_ss_only_pop
build cfi_ss_popchk_failed.S cfi_ss_popchk_failed

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21 changes: 2 additions & 19 deletions tests/programs/cfi_lpad_func_sig.S
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@@ -1,23 +1,6 @@
.include "cfi_macro.h"

.section ".note.gnu.property", "a"
.balign 8
.4byte 4
.4byte (ndesc_end - ndesc_begin)
.4byte 0x5 // NT_GNU_PROPERTY_TYPE_0
.asciz "GNU"
ndesc_begin:
.balign 8
.4byte 0xc0000000 // GNU_PROPERTY_RISCV_FEATURE_1_AND
.4byte 4
.4byte 4 // GNU_PROPERTY_RISCV_FEATURE_1_CFI_LP_FUNC_SIG
.balign 8
ndesc_end:

.macro exit_imm val
li a0, \val
li a7, 93
ecall
.endm
gnu_property_cfi_ss 4

.text
.global _start
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21 changes: 2 additions & 19 deletions tests/programs/cfi_lpad_func_sig_failed.S
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@@ -1,23 +1,6 @@
.include "cfi_macro.h"

.section ".note.gnu.property", "a"
.balign 8
.4byte 4
.4byte (ndesc_end - ndesc_begin)
.4byte 0x5 // NT_GNU_PROPERTY_TYPE_0
.asciz "GNU"
ndesc_begin:
.balign 8
.4byte 0xc0000000 // GNU_PROPERTY_RISCV_FEATURE_1_AND
.4byte 4
.4byte 4 // GNU_PROPERTY_RISCV_FEATURE_1_CFI_LP_FUNC_SIG
.balign 8
ndesc_end:

.macro exit_imm val
li a0, \val
li a7, 93
ecall
.endm
gnu_property_cfi_ss 4

.text
.global _start
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21 changes: 2 additions & 19 deletions tests/programs/cfi_lpad_func_sig_zero.S
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@@ -1,23 +1,6 @@
.include "cfi_macro.h"

.section ".note.gnu.property", "a"
.balign 8
.4byte 4
.4byte (ndesc_end - ndesc_begin)
.4byte 0x5 // NT_GNU_PROPERTY_TYPE_0
.asciz "GNU"
ndesc_begin:
.balign 8
.4byte 0xc0000000 // GNU_PROPERTY_RISCV_FEATURE_1_AND
.4byte 4
.4byte 4 // GNU_PROPERTY_RISCV_FEATURE_1_CFI_LP_FUNC_SIG
.balign 8
ndesc_end:

.macro exit_imm val
li a0, \val
li a7, 93
ecall
.endm
gnu_property_cfi_ss 4

.text
.global _start
Expand Down
21 changes: 2 additions & 19 deletions tests/programs/cfi_lpad_not_active.S
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@@ -1,23 +1,6 @@
.include "cfi_macro.h"

.section ".note.gnu.property", "a"
.balign 8
.4byte 4
.4byte (ndesc_end - ndesc_begin)
.4byte 0x5 // NT_GNU_PROPERTY_TYPE_0
.asciz "GNU"
ndesc_begin:
.balign 8
.4byte 0xc0000000 // GNU_PROPERTY_RISCV_FEATURE_1_AND
.4byte 4
.4byte 0 // GNU_PROPERTY_RISCV_FEATURE_1_CFI_LP_UNLABELED not active
.balign 8
ndesc_end:

.macro exit_imm val
li a0, \val
li a7, 93
ecall
.endm
gnu_property_cfi_ss 0

.text
.global _start
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40 changes: 20 additions & 20 deletions tests/programs/cfi_lpad_unlabeled.S
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@@ -1,33 +1,33 @@
.include "cfi_macro.h"

.section ".note.gnu.property", "a"
.balign 8
.4byte 4
.4byte (ndesc_end - ndesc_begin)
.4byte 0x5 // NT_GNU_PROPERTY_TYPE_0
.asciz "GNU"
ndesc_begin:
.balign 8
.4byte 0xc0000000 // GNU_PROPERTY_RISCV_FEATURE_1_AND
.4byte 4
.4byte 1 // GNU_PROPERTY_RISCV_FEATURE_1_CFI_LP_UNLABELED
.balign 8
ndesc_end:

.macro exit_imm val
li a0, \val
li a7, 93
ecall
.endm
gnu_property_cfi_ss 1

.text
.global _start
_start:
la t1, func
jalr ra, t1, 0
exit_imm 0

la t1, func
c.jalr t1

la t1, exit
c.jr t1

exit_imm 1

.globl func
.type func,@function
# lpad checks alignment with 4
.balign 4
func:
lpad 0
ret

.global exit
.type func,@function
# lpad checks alignment with 4
.balign 4
exit:
lpad 0
exit_imm 0
21 changes: 2 additions & 19 deletions tests/programs/cfi_lpad_unlabeled_failed.S
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@@ -1,23 +1,6 @@
.include "cfi_macro.h"

.section ".note.gnu.property", "a"
.balign 8
.4byte 4
.4byte (ndesc_end - ndesc_begin)
.4byte 0x5 // NT_GNU_PROPERTY_TYPE_0
.asciz "GNU"
ndesc_begin:
.balign 8
.4byte 0xc0000000 // GNU_PROPERTY_RISCV_FEATURE_1_AND
.4byte 4
.4byte 1 // GNU_PROPERTY_RISCV_FEATURE_1_CFI_LP_UNLABELED
.balign 8
ndesc_end:

.macro exit_imm val
li a0, \val
li a7, 93
ecall
.endm
gnu_property_cfi_ss 1

.text
.global _start
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22 changes: 22 additions & 0 deletions tests/programs/cfi_macro.h
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@@ -0,0 +1,22 @@
.macro gnu_property_cfi_ss flags
.section ".note.gnu.property", "a"
.balign 8
.4byte 4
.4byte (ndesc_end - ndesc_begin)
.4byte 0x5 // NT_GNU_PROPERTY_TYPE_0
.asciz "GNU"
ndesc_begin:
.balign 8
.4byte 0xc0000000 // GNU_PROPERTY_RISCV_FEATURE_1_AND
.4byte 4
.4byte \flags
.balign 8
ndesc_end:
.endm

.macro exit_imm val
li a0, \val
li a7, 93
ecall
.endm

21 changes: 2 additions & 19 deletions tests/programs/cfi_ss_not_active.S
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@@ -1,23 +1,6 @@
.include "cfi_macro.h"

.section ".note.gnu.property", "a"
.balign 8
.4byte 4
.4byte (ndesc_end - ndesc_begin)
.4byte 0x5 // NT_GNU_PROPERTY_TYPE_0
.asciz "GNU"
ndesc_begin:
.balign 8
.4byte 0xc0000000 // GNU_PROPERTY_RISCV_FEATURE_1_AND
.4byte 4
.4byte 0 // GNU_PROPERTY_RISCV_FEATURE_1_CFI_SS not active
.balign 8
ndesc_end:

.macro exit_imm val
li a0, \val
li a7, 93
ecall
.endm
gnu_property_cfi_ss 0

.text
.global _start
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10 changes: 10 additions & 0 deletions tests/programs/cfi_ss_only_pop.S
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@@ -0,0 +1,10 @@
.include "cfi_macro.h"

gnu_property_cfi_ss 2


.text
.global _start
_start:
li ra, 0
sspopchk ra
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14 changes: 14 additions & 0 deletions tests/programs/cfi_ss_popchk_failed.S
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@@ -0,0 +1,14 @@
.include "cfi_macro.h"

gnu_property_cfi_ss 2


.text
.global _start
_start:
li ra, 42
sspush ra
li ra, 41
sspopchk ra
exit_imm 0

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21 changes: 2 additions & 19 deletions tests/programs/cfi_ss_stack_downto_zero.S
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@@ -1,23 +1,6 @@
.include "cfi_macro.h"

.section ".note.gnu.property", "a"
.balign 8
.4byte 4
.4byte (ndesc_end - ndesc_begin)
.4byte 0x5 // NT_GNU_PROPERTY_TYPE_0
.asciz "GNU"
ndesc_begin:
.balign 8
.4byte 0xc0000000 // GNU_PROPERTY_RISCV_FEATURE_1_AND
.4byte 4
.4byte 2 // GNU_PROPERTY_RISCV_FEATURE_1_CFI_SS
.balign 8
ndesc_end:

.macro exit_imm val
li a0, \val
li a7, 93
ecall
.endm
gnu_property_cfi_ss 2

.text
.global _start
Expand Down
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21 changes: 2 additions & 19 deletions tests/programs/cfi_ss_stack_full.S
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@@ -1,23 +1,6 @@
.include "cfi_macro.h"

.section ".note.gnu.property", "a"
.balign 8
.4byte 4
.4byte (ndesc_end - ndesc_begin)
.4byte 0x5 // NT_GNU_PROPERTY_TYPE_0
.asciz "GNU"
ndesc_begin:
.balign 8
.4byte 0xc0000000 // GNU_PROPERTY_RISCV_FEATURE_1_AND
.4byte 4
.4byte 2 // GNU_PROPERTY_RISCV_FEATURE_1_CFI_SS
.balign 8
ndesc_end:

.macro exit_imm val
li a0, \val
li a7, 93
ecall
.endm
gnu_property_cfi_ss 2

.text
.global _start
Expand Down
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35 changes: 16 additions & 19 deletions tests/programs/cfi_ss_success.S
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@@ -1,23 +1,6 @@
.include "cfi_macro.h"

.section ".note.gnu.property", "a"
.balign 8
.4byte 4
.4byte (ndesc_end - ndesc_begin)
.4byte 0x5 // NT_GNU_PROPERTY_TYPE_0
.asciz "GNU"
ndesc_begin:
.balign 8
.4byte 0xc0000000 // GNU_PROPERTY_RISCV_FEATURE_1_AND
.4byte 4
.4byte 2 // GNU_PROPERTY_RISCV_FEATURE_1_CFI_SS
.balign 8
ndesc_end:

.macro exit_imm val
li a0, \val
li a7, 93
ecall
.endm
gnu_property_cfi_ss 2

.text
.global _start
Expand All @@ -39,6 +22,9 @@ _start:
sspush ra
sspopchk ra

sspush t0
sspopchk t0

li t0, 42
beq ra, t0, 1f
exit_imm 2
Expand Down Expand Up @@ -80,5 +66,16 @@ _start:
beq t0, t1, 1f
exit_imm 6

1:
# test ssamoswap.w version
li t0, 100
sspush t0
ssrdp t3
li t4, 200
ssamoswap.w t5, t4, (t3)
li t6, 100
beq t5, t6, 1f
exit_imm 7

1:
exit_imm 0
24 changes: 24 additions & 0 deletions tests/test_cfi.rs
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Expand Up @@ -156,3 +156,27 @@ pub fn test_cfi_lpad_func_sig_failed() {
assert!(ret_asm.is_err());
}
}

#[test]
pub fn test_cfi_ss_only_pop() {
let ret = run_int("tests/programs/cfi_ss_only_pop");
assert!(ret.is_err());

#[cfg(has_asm)]
{
let ret_asm = run_asm("tests/programs/cfi_ss_only_pop");
assert!(ret_asm.is_err());
}
}

#[test]
pub fn test_cfi_ss_popchk_failed() {
let ret = run_int("tests/programs/cfi_ss_popchk_failed");
assert!(ret.is_err());

#[cfg(has_asm)]
{
let ret_asm = run_asm("tests/programs/cfi_ss_popchk_failed");
assert!(ret_asm.is_err());
}
}
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