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-rw-r--r--gdb/dwarf2read.c45
1 files changed, 33 insertions, 12 deletions
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index a17cd9d..036ccfe 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -12600,6 +12600,38 @@ read_tag_string_type (struct die_info *die, struct dwarf2_cu *cu)
return set_die_type (die, type, cu);
}
+/* Assuming that DIE corresponds to a function, returns nonzero
+ if the function is prototyped. */
+
+static int
+prototyped_function_p (struct die_info *die, struct dwarf2_cu *cu)
+{
+ struct attribute *attr;
+
+ attr = dwarf2_attr (die, DW_AT_prototyped, cu);
+ if (attr && (DW_UNSND (attr) != 0))
+ return 1;
+
+ /* The DWARF standard implies that the DW_AT_prototyped attribute
+ is only meaninful for C, but the concept also extends to other
+ languages that allow unprototyped functions (Eg: Objective C).
+ For all other languages, assume that functions are always
+ prototyped. */
+ if (cu->language != language_c
+ && cu->language != language_objc
+ && cu->language != language_opencl)
+ return 1;
+
+ /* RealView does not emit DW_AT_prototyped. We can not distinguish
+ prototyped and unprototyped functions; default to prototyped,
+ since that is more common in modern code (and RealView warns
+ about unprototyped functions). */
+ if (producer_is_realview (cu->producer))
+ return 1;
+
+ return 0;
+}
+
/* Handle DIES due to C code like:
struct foo
@@ -12627,18 +12659,7 @@ read_subroutine_type (struct die_info *die, struct dwarf2_cu *cu)
ftype = lookup_function_type (type);
- /* All functions in C++, Pascal and Java have prototypes. */
- attr = dwarf2_attr (die, DW_AT_prototyped, cu);
- if ((attr && (DW_UNSND (attr) != 0))
- || cu->language == language_cplus
- || cu->language == language_java
- || cu->language == language_pascal)
- TYPE_PROTOTYPED (ftype) = 1;
- else if (producer_is_realview (cu->producer))
- /* RealView does not emit DW_AT_prototyped. We can not
- distinguish prototyped and unprototyped functions; default to
- prototyped, since that is more common in modern code (and
- RealView warns about unprototyped functions). */
+ if (prototyped_function_p (die, cu))
TYPE_PROTOTYPED (ftype) = 1;
/* Store the calling convention in the type if it's available in