diff mbox series

[kvm-unit-tests,v3,5/6] efi: print address of image

Message ID 20230628001356.2706-7-namit@vmware.com (mailing list archive)
State New, archived
Headers show
Series .debug ignore - to squash with efi:keep efi | expand

Commit Message

Nadav Amit June 28, 2023, 12:13 a.m. UTC 
From: Nadav Amit <namit@vmware.com>

Using gdb to debug tests that are run from efi is very hard without
knowing the base address in which the image was loaded. Print the
address so it can be used while debugging.

Signed-off-by: Nadav Amit <namit@vmware.com>
---
 lib/efi.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/lib/efi.c b/lib/efi.c
index 2e127a4..2091771 100644
--- a/lib/efi.c
+++ b/lib/efi.c
@@ -19,6 +19,8 @@  extern int __argc, __envc;
 extern char *__argv[100];
 extern char *__environ[200];
 
+extern char _text;
+
 extern int main(int argc, char **argv, char **envp);
 
 efi_system_table_t *efi_system_table = NULL;
@@ -363,6 +365,8 @@  efi_status_t efi_main(efi_handle_t handle, efi_system_table_t *sys_tab)
 		goto efi_main_error;
 	}
 
+	printf("Address of image is: 0x%lx\n", (unsigned long)&_text);
+
 	/* Run the test case */
 	ret = main(__argc, __argv, __environ);