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58ca8b0572
linux/tools/lib/bpf
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Pu Lehui 58ca8b0572 libbpf: Support riscv USDT argument parsing logic 
Add riscv-specific USDT argument specification parsing logic.
riscv USDT argument format is shown below:
- Memory dereference case:
  "size@off(reg)", e.g. "-8@-88(s0)"
- Constant value case:
  "size@val", e.g. "4@5"
- Register read case:
  "size@reg", e.g. "-8@a1"

s8 will be marked as poison while it's a reg of riscv, we need
to alias it in advance. Both RV32 and RV64 have been tested.

Signed-off-by: Pu Lehui <pulehui@huawei.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220419145238.482134-3-pulehui@huawei.com
2022-04-19 21:59:35 -07:00
..
.gitignore libbpf: Make libbpf_version.h non-auto-generated 2021-09-13 15:36:47 -07:00
bpf_core_read.h libbpf: Fix endianness detection in BPF_CORE_READ_BITFIELD_PROBED() 2021-10-25 20:39:41 -07:00
bpf_endian.h
bpf_gen_internal.h Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-12-10 15:56:13 -08:00
bpf_helpers.h libbpf: deprecate legacy BPF map definitions 2022-01-20 21:19:05 -08:00
bpf_prog_linfo.c libbpf: Streamline error reporting for high-level APIs 2021-05-25 17:32:35 -07:00
bpf_tracing.h libbpf: Add ARC support to bpf_tracing.h 2022-04-10 18:53:37 -07:00
bpf.c libbpf: Add bpf_link_create support for multi kprobes 2022-03-17 20:17:19 -07:00
bpf.h libbpf: Add bpf_link_create support for multi kprobes 2022-03-17 20:17:19 -07:00
btf_dump.c libbpf: Skip forward declaration when counting duplicated type names 2022-03-01 13:40:57 +01:00
btf.c libbpf: Don't return -EINVAL if hdr_len < offsetofend(core_relo_len) 2022-04-03 19:56:01 -07:00
btf.h libbpf: Deprecate forgotten btf__get_map_kv_tids() 2022-02-04 01:07:16 +01:00
Build libbpf: Wire up USDT API and bpf_link integration 2022-04-05 13:16:07 -07:00
gen_loader.c libbpf: Prepare light skeleton for the kernel. 2022-02-10 23:31:51 +01:00
hashmap.c libbpf: Use IS_ERR_OR_NULL() in hashmap__free() 2022-01-12 17:01:36 -08:00
hashmap.h libbpf, hashmap: Fix undefined behavior in hash_bits 2020-11-02 23:33:51 +01:00
libbpf_common.h libbpf: Deprecate bpf_prog_load_xattr() API 2021-12-02 15:23:41 -08:00
libbpf_errno.c libbpf: Streamline error reporting for high-level APIs 2021-05-25 17:32:35 -07:00
libbpf_internal.h libbpf: Fix usdt_cookie being cast to 32 bits 2022-04-19 21:59:35 -07:00
libbpf_legacy.h libbpf: .text routines are subprograms in strict mode 2022-03-17 23:11:15 -07:00
libbpf_probes.c libbpf: Improve LINUX_VERSION_CODE detection 2021-12-28 19:20:31 -08:00
libbpf_version.h libbpf: Support custom SEC() handlers 2022-03-05 09:38:15 -08:00
libbpf.c libbpf: Fix usdt_cookie being cast to 32 bits 2022-04-19 21:59:35 -07:00
libbpf.h libbpf: Wire up USDT API and bpf_link integration 2022-04-05 13:16:07 -07:00
libbpf.map libbpf: Wire up USDT API and bpf_link integration 2022-04-05 13:16:07 -07:00
libbpf.pc.template
linker.c libbpf: Fix using invalidated memory in bpf_linker 2021-11-26 00:15:03 +01:00
Makefile Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-04-08 17:07:29 -07:00
netlink.c libbpf: Fix memleak in libbpf_netlink_recv() 2022-02-17 16:09:07 +01:00
nlattr.c libbpf: Switch to void * casting in netlink helpers 2021-06-22 17:04:02 +02:00
nlattr.h libbpf: Switch to void * casting in netlink helpers 2021-06-22 17:04:02 +02:00
relo_core.c libbpf: Split bpf_core_apply_relo() 2022-02-16 10:05:42 -08:00
relo_core.h libbpf: Split bpf_core_apply_relo() 2022-02-16 10:05:42 -08:00
ringbuf.c libbpf: Streamline error reporting for high-level APIs 2021-05-25 17:32:35 -07:00
skel_internal.h libbpf: Prepare light skeleton for the kernel. 2022-02-10 23:31:51 +01:00
str_error.c
str_error.h
strset.c libbpf: Fix memory leak in strset 2021-10-01 22:54:38 +02:00
strset.h libbpf: Extract internal set-of-strings datastructure APIs 2021-03-18 16:14:22 -07:00
usdt.bpf.h libbpf: Use weak hidden modifier for USDT BPF-side API functions 2022-04-08 22:24:15 +02:00
usdt.c libbpf: Support riscv USDT argument parsing logic 2022-04-19 21:59:35 -07:00
xsk.c libbpf: Fix array_size.cocci warning 2022-03-07 22:13:00 -08:00
xsk.h libbpf: Deprecate AF_XDP support 2021-11-01 18:12:44 -07:00