From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/kernel/bpf/disasm.c | 49 +++++++++++++++++++++++--------------------------
1 files changed, 23 insertions(+), 26 deletions(-)
diff --git a/kernel/kernel/bpf/disasm.c b/kernel/kernel/bpf/disasm.c
index cbd75dd..ff1dd7d 100644
--- a/kernel/kernel/bpf/disasm.c
+++ b/kernel/kernel/bpf/disasm.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
* Copyright (c) 2016 Facebook
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#include <linux/bpf.h>
@@ -67,7 +59,7 @@
[BPF_STX] = "stx",
[BPF_ALU] = "alu",
[BPF_JMP] = "jmp",
- [BPF_RET] = "BUG",
+ [BPF_JMP32] = "jmp32",
[BPF_ALU64] = "alu64",
};
@@ -136,23 +128,22 @@
else
print_bpf_end_insn(verbose, cbs->private_data, insn);
} else if (BPF_OP(insn->code) == BPF_NEG) {
- verbose(cbs->private_data, "(%02x) r%d = %s-r%d\n",
- insn->code, insn->dst_reg,
- class == BPF_ALU ? "(u32) " : "",
+ verbose(cbs->private_data, "(%02x) %c%d = -%c%d\n",
+ insn->code, class == BPF_ALU ? 'w' : 'r',
+ insn->dst_reg, class == BPF_ALU ? 'w' : 'r',
insn->dst_reg);
} else if (BPF_SRC(insn->code) == BPF_X) {
- verbose(cbs->private_data, "(%02x) %sr%d %s %sr%d\n",
- insn->code, class == BPF_ALU ? "(u32) " : "",
+ verbose(cbs->private_data, "(%02x) %c%d %s %c%d\n",
+ insn->code, class == BPF_ALU ? 'w' : 'r',
insn->dst_reg,
bpf_alu_string[BPF_OP(insn->code) >> 4],
- class == BPF_ALU ? "(u32) " : "",
+ class == BPF_ALU ? 'w' : 'r',
insn->src_reg);
} else {
- verbose(cbs->private_data, "(%02x) %sr%d %s %s%d\n",
- insn->code, class == BPF_ALU ? "(u32) " : "",
+ verbose(cbs->private_data, "(%02x) %c%d %s %d\n",
+ insn->code, class == BPF_ALU ? 'w' : 'r',
insn->dst_reg,
bpf_alu_string[BPF_OP(insn->code) >> 4],
- class == BPF_ALU ? "(u32) " : "",
insn->imm);
}
} else if (class == BPF_STX) {
@@ -208,10 +199,11 @@
* part of the ldimm64 insn is accessible.
*/
u64 imm = ((u64)(insn + 1)->imm << 32) | (u32)insn->imm;
- bool map_ptr = insn->src_reg == BPF_PSEUDO_MAP_FD;
+ bool is_ptr = insn->src_reg == BPF_PSEUDO_MAP_FD ||
+ insn->src_reg == BPF_PSEUDO_MAP_VALUE;
char tmp[64];
- if (map_ptr && !allow_ptr_leaks)
+ if (is_ptr && !allow_ptr_leaks)
imm = 0;
verbose(cbs->private_data, "(%02x) r%d = %s\n",
@@ -222,7 +214,7 @@
verbose(cbs->private_data, "BUG_ld_%02x\n", insn->code);
return;
}
- } else if (class == BPF_JMP) {
+ } else if (class == BPF_JMP32 || class == BPF_JMP) {
u8 opcode = BPF_OP(insn->code);
if (opcode == BPF_CALL) {
@@ -246,13 +238,18 @@
} else if (insn->code == (BPF_JMP | BPF_EXIT)) {
verbose(cbs->private_data, "(%02x) exit\n", insn->code);
} else if (BPF_SRC(insn->code) == BPF_X) {
- verbose(cbs->private_data, "(%02x) if r%d %s r%d goto pc%+d\n",
- insn->code, insn->dst_reg,
+ verbose(cbs->private_data,
+ "(%02x) if %c%d %s %c%d goto pc%+d\n",
+ insn->code, class == BPF_JMP32 ? 'w' : 'r',
+ insn->dst_reg,
bpf_jmp_string[BPF_OP(insn->code) >> 4],
+ class == BPF_JMP32 ? 'w' : 'r',
insn->src_reg, insn->off);
} else {
- verbose(cbs->private_data, "(%02x) if r%d %s 0x%x goto pc%+d\n",
- insn->code, insn->dst_reg,
+ verbose(cbs->private_data,
+ "(%02x) if %c%d %s 0x%x goto pc%+d\n",
+ insn->code, class == BPF_JMP32 ? 'w' : 'r',
+ insn->dst_reg,
bpf_jmp_string[BPF_OP(insn->code) >> 4],
insn->imm, insn->off);
}
--
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