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selftests/bpf: Validate skeleton gen handles skipped fields

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Adjust static_linked selftests to test a mix of global and static variables
and their handling of bpftool's skeleton generation code.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210513233643.194711-1-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko 2021-05-13 16:36:42 -07:00 committed by Alexei Starovoitov
parent 3f2870989f
commit 9e9b451593
4 changed files with 5 additions and 5 deletions
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4
tools/testing/selftests/bpf/prog_tests/static_linked.c
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@ -27,8 +27,8 @@ void test_static_linked(void)
/* trigger */ /* trigger */
usleep(1); usleep(1);
ASSERT_EQ(skel->bss->var1, 1 * 2 + 2 + 3, "var1"); ASSERT_EQ(skel->data->var1, 1 * 2 + 2 + 3, "var1");
ASSERT_EQ(skel->bss->var2, 4 * 3 + 5 + 6, "var2"); ASSERT_EQ(skel->data->var2, 4 * 3 + 5 + 6, "var2");
cleanup: cleanup:
test_static_linked__destroy(skel); test_static_linked__destroy(skel);

2
tools/testing/selftests/bpf/progs/test_static_linked1.c
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@ -7,7 +7,7 @@
/* 8-byte aligned .data */ /* 8-byte aligned .data */
static volatile long static_var1 = 2; static volatile long static_var1 = 2;
static volatile int static_var2 = 3; static volatile int static_var2 = 3;
int var1 = 0; int var1 = -1;
/* 4-byte aligned .rodata */ /* 4-byte aligned .rodata */
const volatile int rovar1; const volatile int rovar1;

2
tools/testing/selftests/bpf/progs/test_static_linked2.c
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@ -7,7 +7,7 @@
/* 4-byte aligned .data */ /* 4-byte aligned .data */
static volatile int static_var1 = 5; static volatile int static_var1 = 5;
static volatile int static_var2 = 6; static volatile int static_var2 = 6;
int var2 = 0; int var2 = -1;
/* 8-byte aligned .rodata */ /* 8-byte aligned .rodata */
const volatile long rovar2; const volatile long rovar2;