binman: Correct symbol calculation with non-zero image base
authorSimon Glass <sjg@chromium.org>
Mon, 21 Oct 2019 03:31:34 +0000 (21:31 -0600)
committerBin Meng <bmeng.cn@gmail.com>
Sat, 2 Nov 2019 10:00:51 +0000 (18:00 +0800)
At present binman adds the image base address to the symbol value before
it writes it to the binary. This is not correct since the symbol value
itself (e.g. image position) has no relationship to the image base.

Fix this and update the tests to cover this case.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
tools/binman/elf.py
tools/binman/test/u_boot_binman_syms.lds

index 7bc7cf6..0c1a5b4 100644 (file)
@@ -135,9 +135,7 @@ def LookupAndWriteSymbols(elf_fname, entry, section):
 
             # Look up the symbol in our entry tables.
             value = section.LookupSymbol(name, sym.weak, msg)
-            if value is not None:
-                value += base.address
-            else:
+            if value is None:
                 value = -1
                 pack_string = pack_string.lower()
             value_bytes = struct.pack(pack_string, value)
index 926df87..825fc3f 100644 (file)
@@ -9,7 +9,7 @@ ENTRY(_start)
 
 SECTIONS
 {
-       . = 0x00000000;
+       . = 0x00000010;
        _start = .;
 
        . = ALIGN(4);