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Add a test case for uninitialized scratch memory (for JIT compiler).

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This commit is contained in:
Jung-uk Kim 2008-08-28 16:58:30 +00:00
parent 06302de20d
commit c0e134d668
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=182377
2 changed files with 66 additions and 2 deletions
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4
tools/regression/bpf/bpf_filter/Makefile
View File

@ -19,7 +19,7 @@ TEST_CASES?= test0001 test0002 test0003 test0004 \
test0065 test0066 test0067 test0068 \
test0069 test0070 test0071 test0072 \
test0073 test0074 test0075 test0076 \
test0077 test0078 test0079
test0077 test0078 test0079 test0080
SYSDIR?= ${.CURDIR}/../../../../sys
@ -62,7 +62,7 @@ all: ${TEST_CASES}
.if defined(BPF_BENCHMARK)
@-time ${.CURDIR}/${TEST}
.else
@-${.CURDIR}/${TEST}
@-env MALLOC_OPTIONS=J ${.CURDIR}/${TEST}
.endif
@rm -f ${.CURDIR}/${TEST}
.endfor

64
tools/regression/bpf/bpf_filter/tests/test0080.h Normal file
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@ -0,0 +1,64 @@
/*-
* Test 0080: Check uninitialized scratch memory.
*
* Note: This behavior is not guaranteed with bpf_filter(9).
*
* $FreeBSD$
*/
/* BPF program */
struct bpf_insn pc[] = {
BPF_STMT(BPF_LDX|BPF_IMM, 0xffffffff),
BPF_STMT(BPF_LD|BPF_MEM, 0),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 30, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 1),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 28, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 2),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 26, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 3),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 24, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 4),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 22, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 5),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 20, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 6),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 18, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 7),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 16, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 8),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 14, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 9),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 12, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 10),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 10, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 11),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 8, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 12),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 6, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 13),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 4, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 14),
BPF_JUMP(BPF_JMP|BPF_JSET|BPF_X, 2, 0, 0),
BPF_STMT(BPF_LD|BPF_MEM, 15),
BPF_STMT(BPF_RET|BPF_A, 0),
};
/* Packet */
u_char pkt[] = {
0x00,
};
/* Packet length seen on wire */
u_int wirelen = sizeof(pkt);
/* Packet length passed on buffer */
u_int buflen = sizeof(pkt);
/* Invalid instruction */
int invalid = 0;
/* Expected return value */
u_int expect = 0;
/* Expeced signal */
int expect_signal = 0;