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| author |  Andrii Nakryiko <andrii@kernel.org>
| 2023-01-20 12:09:10 -0800 |
|---|---|---|
| committer |  Daniel Borkmann <daniel@iogearbox.net>
| 2023-01-23 20:53:01 +0100 |
| commit | a0426216a32004bbb1c96dbffaeca7ac261960cf (patch) | |
| tree | fca476eeb43659de9621f52f7fc63acf46b820f3 /tools/lib | |
| parent | libbpf: Define sparc syscall regs spec in bpf_tracing.h (diff) | |
| download | linux-a0426216a32004bbb1c96dbffaeca7ac261960cf.tar.gz linux-a0426216a32004bbb1c96dbffaeca7ac261960cf.tar.bz2 linux-a0426216a32004bbb1c96dbffaeca7ac261960cf.zip | |
libbpf: Define riscv syscall regs spec in bpf_tracing.h
Define explicit table of registers used for syscall argument passing.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Pu Lehui <pulehui@huawei.com> # RISC-V
Link: https://lore.kernel.org/bpf/20230120200914.3008030-22-andrii@kernel.org
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/bpf/bpf_tracing.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h index a2db267a6bce..047dc84c7cc9 100644 --- a/tools/lib/bpf/bpf_tracing.h +++ b/tools/lib/bpf/bpf_tracing.h @@ -359,13 +359,21 @@ struct pt_regs___arm64 { #define __PT_PARM6_REG a5 #define __PT_PARM7_REG a6 #define __PT_PARM8_REG a7 + +/* riscv does not select ARCH_HAS_SYSCALL_WRAPPER. */ +#define PT_REGS_SYSCALL_REGS(ctx) ctx +#define __PT_PARM1_SYSCALL_REG __PT_PARM1_REG +#define __PT_PARM2_SYSCALL_REG __PT_PARM2_REG +#define __PT_PARM3_SYSCALL_REG __PT_PARM3_REG +#define __PT_PARM4_SYSCALL_REG __PT_PARM4_REG +#define __PT_PARM5_SYSCALL_REG __PT_PARM5_REG +#define __PT_PARM6_SYSCALL_REG __PT_PARM6_REG + #define __PT_RET_REG ra #define __PT_FP_REG s0 #define __PT_RC_REG a0 #define __PT_SP_REG sp #define __PT_IP_REG pc -/* riscv does not select ARCH_HAS_SYSCALL_WRAPPER. */ -#define PT_REGS_SYSCALL_REGS(ctx) ctx #elif defined(bpf_target_arc) |