[Bug c++/40113] New: C++, -fdata-sections not works with .progmem data
sb-sf at users dot sourceforge dot net
gcc-bugzilla@gcc.gnu.org
Tue May 12 10:28:00 GMT 2009
all data placed to single .progmem.data section.
test.cpp:
char __attribute__((__progmem__)) Test1[] = "test1";
char const __attribute__((__progmem__)) Test2[] = "test2";
void const * array[] =
{
Test1, Test2
};
cmd line:
avr-gcc -mmcu=atmega8 -fdata-sections -Wall -Os -Wa,-ahlmsd=test.lst -c
test.cpp -o test.o
listing:
8 .global Test1
9 .section .progmem.data,"a",@progbits
12 Test1:
13 0000 7465 7374 .string "test1"
13 3100
14 .global array
15 .section .data.array,"aw",@progbits
18 array:
19 0000 0000 .word Test1
20 0002 0000 .word _ZL5Test2
21 .section .progmem.data
24 _ZL5Test2:
25 0006 7465 7374 .string "test2"
25 3200
here array placed into unique section .data.array, while Test1 and Test2 into
single section .progmem.data
--
Summary: C++, -fdata-sections not works with .progmem data
Product: gcc
Version: 4.3.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: sb-sf at users dot sourceforge dot net
GCC host triplet: x86
GCC target triplet: AVR
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40113
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