* If users want to debug EFI applications via qemu + GDB, they need to know the relocated address of the application to align their symbols to in GDB via add-symbol-file. * This exposes where EFI applications are relocated to enable debugging EFI applications via qemu + gdb * Usage is generally determining the address, then add-symbol-file (efi loader) (address) * The address can change, but is generally consistent with the same qemu version and u-boot binary. (allowing you to boot once, find the address, then reboot with qemu -s -S --- lib/efi_loader/efi_image_loader.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/lib/efi_loader/efi_image_loader.c b/lib/efi_loader/efi_image_loader.c index 773bd0677c..2b8c1ef464 100644 --- a/lib/efi_loader/efi_image_loader.c +++ b/lib/efi_loader/efi_image_loader.c @@ -906,6 +906,8 @@ efi_status_t efi_load_pe(struct efi_loaded_image_obj *handle, ret = EFI_OUT_OF_RESOURCES; goto err; } + log_info("64-bit EFI image loaded at relocated address %p\n", efi_reloc); + handle->entry = efi_reloc + opt->AddressOfEntryPoint; rel_size = opt->DataDirectory[rel_idx].Size; rel = efi_reloc + opt->DataDirectory[rel_idx].VirtualAddress; @@ -922,6 +924,8 @@ efi_status_t efi_load_pe(struct efi_loaded_image_obj *handle, ret = EFI_OUT_OF_RESOURCES; goto err; } + log_info("32-bit EFI image loaded at relocated address %p\n", efi_reloc); + handle->entry = efi_reloc + opt->AddressOfEntryPoint; rel_size = opt->DataDirectory[rel_idx].Size; rel = efi_reloc + opt->DataDirectory[rel_idx].VirtualAddress;