[Crash-utility][PATCH V2 9/9] RISCV64: Add the implementation of symbol verify

From: Xianting Tian <xianting.tian@linux.alibaba.com>
To: crash-utility@redhat.com, mick@ics.forth.gr,
	heinrich.schuchardt@canonical.com, guoren@kernel.org,
	k-hagio-ab@nec.com, yixun.lan@gmail.com
Cc: linux-riscv@lists.infradead.org, kexec@lists.infradead.org,
	hschauhan@nulltrace.org, huanyi.xj@alibaba-inc.com,
	Xianting Tian <xianting.tian@linux.alibaba.com>
Subject: [Crash-utility][PATCH V2 9/9] RISCV64: Add the implementation of symbol verify
Date: Mon,  1 Aug 2022 12:30:40 +0800	[thread overview]
Message-ID: <20220801043040.2003264-10-xianting.tian@linux.alibaba.com> (raw)
In-Reply-To: <20220801043040.2003264-1-xianting.tian@linux.alibaba.com>

Verify the symbol to accept or reject a symbol from the kernel namelist.

Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
---
 riscv64.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/riscv64.c b/riscv64.c
index dfb3950..a5bae49 100644
--- a/riscv64.c
+++ b/riscv64.c
@@ -164,11 +164,20 @@ riscv64_cmd_mach(void)
 	riscv64_display_machine_stats();
 }
 
+/*
+ * Accept or reject a symbol from the kernel namelist.
+ */
 static int
 riscv64_verify_symbol(const char *name, ulong value, char type)
 {
-	/* TODO: */
-	return TRUE;
+	if (CRASHDEBUG(8) && name && strlen(name))
+		fprintf(fp, "%08lx %s\n", value, name);
+
+	if (STREQ(name, "_text") || STREQ(name, "_stext"))
+		machdep->flags |= KSYMS_START;
+
+	return (name && strlen(name) && (machdep->flags & KSYMS_START) &&
+		!STRNEQ(name, "__func__.") && !STRNEQ(name, "__crc_"));
 }
 
 void
-- 
2.17.1


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