mirror of
https://github.com/Telecominfraproject/wlan-ap.git
synced 2025-12-17 09:21:35 +00:00
54 lines
1.6 KiB
Diff
54 lines
1.6 KiB
Diff
From 484dac839c81fb2c365e74fe2a3674ce365f08ec Mon Sep 17 00:00:00 2001
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From: Felix Fietkau <nbd@nbd.name>
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Date: Thu, 16 Mar 2023 10:18:00 +0530
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Subject: [PATCH 015/281] OpenWrt: 205-backtrace_module_info.patch
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kernel: when KALLSYMS is disabled, print module address + size for matching backtrace entries
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[john@phrozen.org: felix will add this to his upstream queue]
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lede-commit 53827cdc824556cda910b23ce5030c363b8f1461
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Change-Id: I048517c92ed86f3d805cd8d86644ff6711d66e50
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Signed-off-by: Ram Chandra Jangir <quic_rjangir@quicinc.com>
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---
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lib/vsprintf.c | 12 ++++++++++--
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1 file changed, 10 insertions(+), 2 deletions(-)
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diff --git a/lib/vsprintf.c b/lib/vsprintf.c
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index 24f37bab8bc1..fcb6dea08b55 100644
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--- a/lib/vsprintf.c
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+++ b/lib/vsprintf.c
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@@ -985,8 +985,10 @@ char *symbol_string(char *buf, char *end, void *ptr,
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struct printf_spec spec, const char *fmt)
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{
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unsigned long value;
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-#ifdef CONFIG_KALLSYMS
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char sym[KSYM_SYMBOL_LEN];
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+#ifndef CONFIG_KALLSYMS
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+ struct module *mod;
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+ int len;
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#endif
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if (fmt[1] == 'R')
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@@ -1007,8 +1009,14 @@ char *symbol_string(char *buf, char *end, void *ptr,
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return string_nocheck(buf, end, sym, spec);
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#else
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- return special_hex_number(buf, end, value, sizeof(void *));
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+ len = snprintf(sym, sizeof(sym), "0x%lx", value);
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+ mod = __module_address(value);
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+ if (mod)
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+ snprintf(sym + len, sizeof(sym) - len, " [%s@%p+0x%x]",
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+ mod->name, mod->core_layout.base,
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+ mod->core_layout.size);
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#endif
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+ return string(buf, end, sym, spec);
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}
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static const struct printf_spec default_str_spec = {
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--
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2.17.1
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