100 lines
2.7 KiB
Diff
100 lines
2.7 KiB
Diff
From 5c04a6f3f923af7c50f0d853477044802b3fa6ec Mon Sep 17 00:00:00 2001
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From: Tao Liu <ltao@redhat.com>
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Date: Sat, 16 Oct 2021 13:21:17 +0800
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Subject: [PATCH 7/9] symbols: Add mod_symname_hash table dump to help -s
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Previously, help -s only print out the dump status of symname_hash
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table. Since we have mod_symname_hash table introduced, let's print
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out mod_symname_hash in help -s as well.
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Signed-off-by: Tao Liu <ltao@redhat.com>
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---
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symbols.c | 57 ++++++++++++++++++++++++++++++++++---------------------
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1 file changed, 35 insertions(+), 22 deletions(-)
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diff --git a/symbols.c b/symbols.c
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index 67b701454563..73baa953217a 100644
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--- a/symbols.c
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+++ b/symbols.c
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@@ -3219,13 +3219,40 @@ kallsyms_module_function_size(struct syment *sp, struct load_module *lm, ulong *
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return FALSE;
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}
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+static void
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+dump_symname_hash_table(struct syment *table[])
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+{
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+ int i, cnt, tot;
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+ struct syment *sp;
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+
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+ fprintf(fp, " ");
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+ for (i = tot = 0; i < SYMNAME_HASH; i++) {
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+ fprintf(fp, "[%3d]: ", i);
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+ if ((sp = table[i]) == NULL)
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+ fprintf(fp, "%3d ", 0);
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+ else {
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+ cnt = 1;
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+ while (sp->name_hash_next) {
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+ cnt++;
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+ sp = sp->name_hash_next;
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+ }
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+ fprintf(fp, "%3d ", cnt);
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+ tot += cnt;
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+ }
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+ if (i && (((i+1) % 6) == 0))
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+ fprintf(fp, "\n ");
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+ }
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+ if (SYMNAME_HASH % 6)
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+ fprintf(fp, "\n");
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+}
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+
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/*
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* "help -s" output
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*/
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void
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dump_symbol_table(void)
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{
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- int i, s, cnt, tot;
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+ int i, s, cnt;
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struct load_module *lm;
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struct syment *sp;
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struct downsized *ds;
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@@ -3355,28 +3382,14 @@ dump_symbol_table(void)
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fprintf(fp, " symname_hash[%d]: %lx\n", SYMNAME_HASH,
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(ulong)&st->symname_hash[0]);
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+ if (CRASHDEBUG(1))
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+ dump_symname_hash_table(st->symname_hash);
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+
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+ fprintf(fp, "mod_symname_hash[%d]: %lx\n", SYMNAME_HASH,
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+ (ulong)&st->mod_symname_hash[0]);
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+ if (CRASHDEBUG(1))
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+ dump_symname_hash_table(st->mod_symname_hash);
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- if (CRASHDEBUG(1)) {
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- fprintf(fp, " ");
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- for (i = tot = 0; i < SYMNAME_HASH; i++) {
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- fprintf(fp, "[%3d]: ", i);
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- if ((sp = st->symname_hash[i]) == NULL)
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- fprintf(fp, "%3d ", 0);
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- else {
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- cnt = 1;
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- while (sp->name_hash_next) {
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- cnt++;
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- sp = sp->name_hash_next;
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- }
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- fprintf(fp, "%3d ", cnt);
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- tot += cnt;
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- }
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- if (i && (((i+1) % 6) == 0))
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- fprintf(fp, "\n ");
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- }
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- if (SYMNAME_HASH % 6)
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- fprintf(fp, "\n");
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- }
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fprintf(fp, " symbol_namespace: ");
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fprintf(fp, "address: %lx ", (ulong)st->kernel_namespace.address);
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fprintf(fp, "index: %ld ", st->kernel_namespace.index);
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--
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2.30.2
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