[Crash-utility] [PATCH v2 1/4] symbols: Add linux_banner_vmlinux in symbol table

From: HATAYAMA Daisuke <d.hatayama(a)jp.fujitsu.com&gt; Add linux_banner_vmlinux in symbol table, which we'll later use in calc_kaslr_offset() to do a sanity check in calculation of kaslr_offset and phys_base. Signed-off-by: HATAYAMA Daisuke <d.hatayama(a)fujitsu.com&gt; --- defs.h | 1 + symbols.c | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/defs.h b/defs.h index d7adb23..17e9876 100644 --- a/defs.h +++ b/defs.h @@ -2714,6 +2714,7 @@ struct symbol_table_data { ulong pti_init_vmlinux; ulong kaiser_init_vmlinux; int kernel_symbol_type; + ulong linux_banner_vmlinux; }; /* flags for st */ diff --git a/symbols.c b/symbols.c index 3b1f08a..b9de4a1 100644 --- a/symbols.c +++ b/symbols.c @@ -3226,6 +3226,11 @@ dump_symbol_table(void) fprintf(fp, " kaiser_init_vmlinux: (unused)\n"); } + if (SADUMP_DUMPFILE()) + fprintf(fp, "linux_banner_vmlinux: %lx\n", st->linux_banner_vmlinux); + else + fprintf(fp, "linux_banner_vmlinux: (unused)\n"); + fprintf(fp, " symval_hash[%d]: %lx\n", SYMVAL_HASH, (ulong)&st->symval_hash[0]); @@ -12687,6 +12692,11 @@ numeric_forward(const void *P_x, const void *P_y) else if (STREQ(y->name, "idt_table")) st->idt_table_vmlinux = valueof(y); + if (STREQ(x->name, "linux_banner")) + st->linux_banner_vmlinux = valueof(x); + else if (STREQ(y->name, "linux_banner")) + st->linux_banner_vmlinux = valueof(y); + if (STREQ(x->name, "saved_command_line")) st->saved_command_line_vmlinux = valueof(x); else if (STREQ(y->name, "saved_command_line")) -- 1.8.3.1