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syscall: add access hw stack tests

This commit is contained in:
Denis Drakhnia 2023-12-25 19:16:40 +02:00
parent b505304e47
commit 3fee26ddd1
8 changed files with 224 additions and 2 deletions
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40
tests/asm/include/common.S
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@ -5,6 +5,7 @@
#define NR_write 4
#define NR_rt_sigaction 174
#define NR_rt_sigreturn 173
#define NR_access_hw_stacks 254
#define SCRATCH_REG0 %g23
#define SCRATCH_REG1 %g22
@ -165,6 +166,38 @@
}
.endm
#define READ_CHAIN_STACK 0
#define READ_PROCEDURE_STACK 1
#define WRITE_PROCEDURE_STACK 2
#define GET_CHAIN_STACK_OFFSET 3
#define GET_CHAIN_STACK_SIZE 4
#define GET_PROCEDURE_STACK_SIZE 5
#define READ_CHAIN_STACK_EX 6
#define READ_PROCEDURE_STACK_EX 7
#define WRITE_PROCEDURE_STACK_EX 8
#define WRITE_CHAIN_STACK_EX 9
.macro sys_access_hw_stacks mode, frame_addr=0, buf_addr=0, buf_size=0, size_addr=0
{
setwd wsz=8, nfx=1
sdisp %ctpr1, 0x3
}
{
addd,0 0, NR_access_hw_stacks, %r8
addd,1 0, \mode, %r9
}
{
nop 2
addd,0 0, \frame_addr, %r10
addd,1 0, \buf_addr, %r11
}
{
addd,0 0, \buf_size, %r12
addd,1 0, \size_addr, %r13
call %ctpr1, wbs=4
}
.endm
#define assert_(PRED, MSG) \
ibranch local(ok) ? PRED; \
write("assert at " __FILE__ ":" str(__LINE__) ":\n" \
@ -225,8 +258,11 @@
set_exit_code 1; \
local(ok):
#define assert_ne_i32(LEFT, RIGHT, MSG) assert_ne(cmpesb, LEFT, RIGHT, MSG)
#define assert_ne_i64(LEFT, RIGHT, MSG) assert_ne(cmpedb, LEFT, RIGHT, MSG)
#define assert_ne_i32(LEFT, RIGHT) assert_ne(cmpesb, LEFT, RIGHT, "")
#define assert_ne_i64(LEFT, RIGHT) assert_ne(cmpedb, LEFT, RIGHT, "")
#define assert_ne_i32m(LEFT, RIGHT, MSG) assert_ne(cmpesb, LEFT, RIGHT, MSG)
#define assert_ne_i64m(LEFT, RIGHT, MSG) assert_ne(cmpedb, LEFT, RIGHT, MSG)
#define test_helper(OP, CMP, S1, S2, EXPECTED) \
{ \

8
tests/asm/meson.build
View File

@ -164,6 +164,14 @@ asm_tests = {
'dam-1': {},
'dam-2': {},
},
'syscall': {
'get-ps-size-1': {},
'get-pcs-size-1': {},
'get-pcs-offset-1': {},
'read-ps-ex-1': {},
'read-ps-ex-unaligned-1': { 'should_fail': true },
'write-ps-ex-1': {},
},
}
foreach suite, tests : asm_tests

22
tests/asm/syscall/get-pcs-offset-1.S Normal file
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@ -0,0 +1,22 @@
#include "test_start.S"
setwd wsz=8, nfx=1
rrd,0 %pcsp.lo, %g16
rrd,0 %pcsp.hi, %g17
{
andd,0 %g16, (1ULL << 48) - 1, %g16
andd,1 %g17, (1ULL << 32) - 1, %g17
}
addd,0 %g16, %g17, %g16
std,2 %g16, [ frame ]
sys_access_hw_stacks GET_CHAIN_STACK_OFFSET, frame, 0, 0, offset
assert_eq_i64(%r8, 0)
#include "test_end.S"
.data
.balign 8
frame:
.quad 0
offset:
.quad 0

15
tests/asm/syscall/get-pcs-size-1.S Normal file
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@ -0,0 +1,15 @@
#include "test_start.S"
setwd wsz=8, nfx=1
sys_access_hw_stacks GET_CHAIN_STACK_SIZE, 0, 0, 0, size
assert_eq_i64(%r8, 0)
ldd,0 [ size ], %g16
assert_ne_i64(%g16, 0)
#include "test_end.S"
.data
.balign 8
.byte 0
size:
.quad 0

15
tests/asm/syscall/get-ps-size-1.S Normal file
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@ -0,0 +1,15 @@
#include "test_start.S"
setwd wsz=8, nfx=1
sys_access_hw_stacks GET_PROCEDURE_STACK_SIZE, 0, 0, 0, size
assert_eq_i64(%r8, 0)
ldd,0 [ size ], %g16
assert_ne_i64(%g16, 0)
#include "test_end.S"
.data
.balign 8
.byte 0
size:
.quad 0

46
tests/asm/syscall/read-ps-ex-1.S Normal file
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@ -0,0 +1,46 @@
#include "test_start.S"
{
setwd wsz=8, nfx=1
disp %ctpr1, 0f
}
{
addd,0 0, 0xdeadbeef, %r8
addd,1 0, 8, %r9
call %ctpr1, wbs=4
}
#include "test_end.S"
0:
{
setwd wsz=8, nfx=1
disp %ctpr1, 0b
}
{
cmpedb,0 %r1, 0, %pred0
addd,1 0, 0xdeadbeef, %r8
subd,2 %r1, 1, %r9
}
call %ctpr1, wbs=4 ? ~%pred0
ibranch 0f ? ~%pred0
sys_access_hw_stacks GET_PROCEDURE_STACK_SIZE, 0, 0, 0, size
ldd,0 [ size ], %g16
subd,0 %g16, 128, %g16
std,2 %g16, [ frame ]
sys_access_hw_stacks READ_PROCEDURE_STACK_EX, frame, buf, 128
ldd,0 0, buf, %g16
assert_eq_i64(%g16, 0xdeadbeef)
0:
return %ctpr3
ct %ctpr3
.data
.balign 8
buf:
.fill 64, 1, 0
size:
.quad 0
frame:
.quad 0

47
tests/asm/syscall/read-ps-ex-unaligned-1.S Normal file
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@ -0,0 +1,47 @@
#include "test_start.S"
{
setwd wsz=8, nfx=1
disp %ctpr1, 0f
}
{
addd,0 0, 0xdeadbeef, %r8
addd,1 0, 8, %r9
call %ctpr1, wbs=4
}
#include "test_end.S"
0:
{
setwd wsz=8, nfx=1
disp %ctpr1, 0b
}
{
cmpedb,0 %r1, 0, %pred0
addd,1 0, 0xdeadbeef, %r8
subd,2 %r1, 1, %r9
}
call %ctpr1, wbs=4 ? ~%pred0
ibranch 0f ? ~%pred0
sys_access_hw_stacks GET_PROCEDURE_STACK_SIZE, 0, 0, 0, size
ldd,0 [ size ], %g16
subd,0 %g16, 128, %g16
std,2 %g16, [ frame ]
sys_access_hw_stacks READ_PROCEDURE_STACK_EX, frame, buf, 128
ldd,0 0, buf, %g16
assert_eq_i64(%g16, 0xdeadbeef)
0:
return %ctpr3
ct %ctpr3
.data
.balign 8
.byte 0
buf:
.fill 64, 1, 0
size:
.quad 0
frame:
.quad 0

33
tests/asm/syscall/write-ps-ex-1.S Normal file
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@ -0,0 +1,33 @@
#include "test_start.S"
{
setwd wsz=8, nfx=1
disp %ctpr1, 0f
}
{
addd,0 0, 0, %r0
call %ctpr1, wbs=4
}
assert_eq_i64(%r0, 0xdeadbeef)
#include "test_end.S"
0:
setwd wsz=8, nfx=1
sys_access_hw_stacks GET_PROCEDURE_STACK_SIZE, 0, 0, 0, size
ldd,0 [ size ], %g16
subd,0 %g16, 256, %g16
std,2 %g16, [ frame ]
sys_access_hw_stacks WRITE_PROCEDURE_STACK_EX, frame, buf, 8
assert_eq_i64(%r8, 0)
return %ctpr3
ct %ctpr3
.data
.balign 8
buf:
.quad 0xdeadbeef
size:
.quad 0
frame:
.quad 0