Changeset 83a0e47 in mainline

Timestamp:

2009-12-29T17:58:34Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

d6ff0fc5

Parents:

b9b105e1

Message:

Start each ia32 fibril with zero EBP to stop tracing stack at the right moment.

File:

• uspace/lib/libc/arch/ia32/include/fibril.h (modified) (1 diff)

uspace/lib/libc/arch/ia32/include/fibril.h

@@ -44 +44 @@
 #define SP_DELTA     (12)
 
+#define context_set(c, _pc, stack, size, ptls) \
+        do { \
+                (c)->pc = (sysarg_t) (_pc); \
+                (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \
+                (c)->tls = (sysarg_t) (ptls); \
+                (c)->ebp = 0; \
+        } while (0)
+        
 /* We include only registers that must be preserved
  * during function call