> Hi Indu.
> This is OK. Thanks.
Oops sorry scratch that, I am no reviewer for the BTF area.
Will have to wait for Faust or someone else to chime in :)
>
>> PR debug/112656 - btf: function prototypes generated with name
>>
>> With this patch, all BTF_KIND_FUNC_PROTO will appear anonymous in the
>> generated BTF section.
>>
>> As noted in the discussion in the bugzilla, the number of
>> BTF_KIND_FUNC_PROTO types output varies across targets (BPF with -mco-re
>> vs non-BPF targets). Hence the check in the test case merely checks
>> that all BTF_KIND_FUNC_PROTO appear anonymous.
>>
>> gcc/ChangeLog:
>>
>> PR debug/112656
>> * btfout.cc (btf_asm_type): Fixup ctti_name for all
>> BTF types of kind BTF_KIND_FUNC_PROTO.
>>
>> gcc/testsuite/ChangeLog:
>>
>> PR debug/112656
>> * gcc.dg/debug/btf/btf-function-7.c: New test.
>>
>>
>> Testing notes:
>> - bootstrapped and reg tested on x86_64
>> - No regressions in btf.exp on BPF target
>>
>> ---
>> gcc/btfout.cc | 4 ++++
>> .../gcc.dg/debug/btf/btf-function-7.c | 19 +++++++++++++++++++
>> 2 files changed, 23 insertions(+)
>> create mode 100644 gcc/testsuite/gcc.dg/debug/btf/btf-function-7.c
>>
>> diff --git a/gcc/btfout.cc b/gcc/btfout.cc
>> index 1c25404b2c0..a5e0d640e19 100644
>> --- a/gcc/btfout.cc
>> +++ b/gcc/btfout.cc
>> @@ -820,6 +820,10 @@ btf_asm_type (ctf_container_ref ctfc, ctf_dtdef_ref dtd)
>> btf_kind = BTF_KIND_ENUM64;
>> }
>>
>> + /* PR debug/112656. BTF_KIND_FUNC_PROTO is always anonymous. */
>> + if (btf_kind == BTF_KIND_FUNC_PROTO)
>> + dtd->dtd_data.ctti_name = 0;
>> +
>> dw2_asm_output_data (4, dtd->dtd_data.ctti_name,
>> "TYPE %" PRIu64 " BTF_KIND_%s '%s'",
>> get_btf_id (dtd->dtd_type), btf_kind_name (btf_kind),
>> diff --git a/gcc/testsuite/gcc.dg/debug/btf/btf-function-7.c
>> b/gcc/testsuite/gcc.dg/debug/btf/btf-function-7.c
>> new file mode 100644
>> index 00000000000..b560dc75650
>> --- /dev/null
>> +++ b/gcc/testsuite/gcc.dg/debug/btf/btf-function-7.c
>> @@ -0,0 +1,19 @@
>> +/* Test BTF for inlined functions.
>> +
>> + See PR/112656 - btf: function prototypes generated with name
>> + BTF_KIND_FUNC_PROTO must be anonymous. */
>> +
>> +/* { dg-do compile } */
>> +/* { dg-options "-O2 -gbtf -dA" } */
>> +
>> +/* { dg-final { scan-assembler-times "BTF_KIND_FUNC_PROTO
>> ''\\(\[0-9a-z\]*\\)'" 0 } } */
>> +
>> +static int log_event(const char *event_name, void *dev_ptr)
>> +{
>> + return 666;
>> +}
>> +
>> +int foo ()
>> +{
>> + return log_event ("foobar", ((void *)0));
>> +}
