From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Peter Jones Date: Mon, 1 May 2017 11:19:40 -0400 Subject: [PATCH] print more debug info in our module loader. Signed-off-by: Peter Jones --- grub-core/kern/efi/efi.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/grub-core/kern/efi/efi.c b/grub-core/kern/efi/efi.c index e339f264b3a..562d6887e0e 100644 --- a/grub-core/kern/efi/efi.c +++ b/grub-core/kern/efi/efi.c @@ -313,13 +313,23 @@ grub_efi_modules_addr (void) } if (i == coff_header->num_sections) - return 0; + { + grub_dprintf("sections", "section %d is last section; invalid.\n", i); + return 0; + } info = (struct grub_module_info *) ((char *) image->image_base + section->virtual_address); - if (info->magic != GRUB_MODULE_MAGIC) - return 0; + if (section->name[0] != '.' && info->magic != GRUB_MODULE_MAGIC) + { + grub_dprintf("sections", + "section %d has bad magic %08x, should be %08x\n", + i, info->magic, GRUB_MODULE_MAGIC); + return 0; + } + grub_dprintf("sections", "returning section info for section %d: \"%s\"\n", + i, section->name); return (grub_addr_t) info; }