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authorDmitry Torokhov <[email protected]>2022-01-17 18:03:39 -0800
committerDmitry Torokhov <[email protected]>2022-01-17 18:03:39 -0800
commit87a0b2fafc09766d8c55461a18345a1cfb10a7fe (patch)
treef2ecd87b34a4709e49b51470056f6b6e528fefca /include/linux/objtool.h
parentb6e43dddaea3dbfa93327f986beb3ec5e8157c4c (diff)
parentdf0cc57e057f18e44dac8e6c18aba47ab53202f9 (diff)
Merge tag 'v5.16' into next
Sync up with mainline to bring in the latest API changes.
Diffstat (limited to 'include/linux/objtool.h')
-rw-r--r--include/linux/objtool.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/objtool.h b/include/linux/objtool.h
index 7e72d975cb76..aca52db2f3f3 100644
--- a/include/linux/objtool.h
+++ b/include/linux/objtool.h
@@ -66,6 +66,17 @@ struct unwind_hint {
static void __used __section(".discard.func_stack_frame_non_standard") \
*__func_stack_frame_non_standard_##func = func
+/*
+ * STACK_FRAME_NON_STANDARD_FP() is a frame-pointer-specific function ignore
+ * for the case where a function is intentionally missing frame pointer setup,
+ * but otherwise needs objtool/ORC coverage when frame pointers are disabled.
+ */
+#ifdef CONFIG_FRAME_POINTER
+#define STACK_FRAME_NON_STANDARD_FP(func) STACK_FRAME_NON_STANDARD(func)
+#else
+#define STACK_FRAME_NON_STANDARD_FP(func)
+#endif
+
#else /* __ASSEMBLY__ */
/*
@@ -127,6 +138,7 @@ struct unwind_hint {
#define UNWIND_HINT(sp_reg, sp_offset, type, end) \
"\n\t"
#define STACK_FRAME_NON_STANDARD(func)
+#define STACK_FRAME_NON_STANDARD_FP(func)
#else
#define ANNOTATE_INTRA_FUNCTION_CALL
.macro UNWIND_HINT sp_reg:req sp_offset=0 type:req end=0