avr-gcc-v:
Reading specs from c:/programs/WinAVR/bin/../lib/gcc/avr/3.4.1/specs
Configured with: ../gcc-3.4.1/configure --prefix=e:/avrdev/install
--build=mingw32 --host=mingw32 --target=avr --enable-languages=c,c++
Thread model: single
gcc version 3.4.1
command line:
avr-gcc -gdwarf-2 bitfieldbug.c -o bf.elf
The debug output as shown by avr-readelf -w bf.elf shows that the first bitfield
member has a DW_AT_data_member_location of ff ff ff ff ff, which is obviously
wrong.
This behaviour seems to persist no matter how I define the bitfield.
---source---
typedef struct
{
int j:5;
int k:6;
int m:5;
int n:8;
} faultybitfield_t;
int main(int arcg, char **argv)
{
faultybitfield_t bf;
bf.j = 3;
return 0;
}
---end source---
--
Summary: Error in dwarf2 debug output of bitfield members
Product: gcc
Version: 3.4.1
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: debug
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: tsandnes at atmel dot com
CC: gcc-bugs at gcc dot gnu dot org
GCC host triplet: 386
GCC target triplet: AVR
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17993
