Accept more asm expressions

In particular subtracting a defined symbol from current section
makes the value PC relative, and .org accepts symbolic expressions
as well, if the symbol is from the current section.

1 files changed, 1 insertions, 0 deletions

diff --git a/tcc.h b/tcc.h
index 4de48e7..7279150 100644
--- a/tcc.h
+++ b/tcc.h
@@ -555,6 +555,7 @@ typedef struct CachedInclude {
 typedef struct ExprValue {
     uint64_t v;
     Sym *sym;
+    int pcrel;
 } ExprValue;
 
 #define MAX_ASM_OPERANDS 30