main.c:14:6: warning: return type of 'main' is not 'int' [-Wmain]
 void main(void)
      ^

Allocating common symbols
Common symbol       size              file

j                   0x4               /tmp/ccc33vzq.o (symbol from 
plugin)
y                   0x4               /tmp/ccc33vzq.o (symbol from 
plugin)

Discarded input sections

 .text          0x00000000        0x0 /tmp/ccc33vzq.o (symbol from 
plugin)

Memory Configuration

Name             Origin             Length             Attributes
default        0x00000000         0xffffffff

Linker script and memory map

LOAD 
/opt/arminarm/bin/../lib/gcc/arm-none-eabi/4.8.2/thumb/armv6-m/libgcc.a
LOAD 
/opt/arminarm/bin/../lib/gcc/arm-none-eabi/4.8.2/../../../../arm-none-ea 
bi/lib/thumb/armv6-m/libc.a
LOAD 
/opt/arminarm/bin/../lib/gcc/arm-none-eabi/4.8.2/../../../../arm-none-ea 
bi/lib/thumb/armv6-m/libm.a
LOAD /tmp/ccc33vzq.o
LOAD /tmp/ccXJrxlt.ltrans0.ltrans.o
                0x00008000                PROVIDE (__executable_start, 
0x8000)
                0x00008000                . = 0x8000

.interp
 *(.interp)

.note.gnu.build-id
 *(.note.gnu.build-id)

.hash
 *(.hash)

.gnu.hash
 *(.gnu.hash)

.dynsym
 *(.dynsym)

.dynstr
 *(.dynstr)

.gnu.version
 *(.gnu.version)

.gnu.version_d
 *(.gnu.version_d)

.gnu.version_r
 *(.gnu.version_r)

.rel.dyn        0x00008000        0x0
 *(.rel.init)
 *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
 *(.rel.fini)
 *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
 *(.rel.data.rel.ro .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*)
 *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
 *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
 *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
 *(.rel.ctors)
 *(.rel.dtors)
 *(.rel.got)
 *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
                0x00008000                PROVIDE (__rel_iplt_start, .)
 *(.rel.iplt)
 .rel.iplt      0x00000000        0x0 /tmp/ccXJrxlt.ltrans0.ltrans.o
                0x00008000                PROVIDE (__rel_iplt_end, .)
                0x00008000                PROVIDE (__rela_iplt_start, .)
                0x00008000                PROVIDE (__rela_iplt_end, .)

.rela.dyn       0x00008000        0x0
 *(.rela.init)
 *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
 *(.rela.fini)
 *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
 *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
 *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
 *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
 *(.rela.ctors)
 *(.rela.dtors)
 *(.rela.got)
 *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
                0x00008000                PROVIDE (__rel_iplt_start, .)
                0x00008000                PROVIDE (__rel_iplt_end, .)
                0x00008000                PROVIDE (__rela_iplt_start, .)
 *(.rela.iplt)
                0x00008000                PROVIDE (__rela_iplt_end, .)

.rel.plt
 *(.rel.plt)

.rela.plt
 *(.rela.plt)

.init
 *(SORT(.init))

.plt
 *(.plt)

.iplt           0x00008000        0x0
 *(.iplt)
 .iplt          0x00000000        0x0 /tmp/ccXJrxlt.ltrans0.ltrans.o

.text           0x00008000      0x140
 *(.text.unlikely .text.*_unlikely .text.unlikely.*)
 *(.text.exit .text.exit.*)
 *(.text.startup .text.startup.*)
 *(.text.hot .text.hot.*)
 *(.text .stub .text.* .gnu.linkonce.t.*)
 .text          0x00008000        0x0 /tmp/ccXJrxlt.ltrans0.ltrans.o
 .text.my_func.4011
                0x00008000       0x40 /tmp/ccXJrxlt.ltrans0.ltrans.o
 .text.main.4008
                0x00008040      0x100 /tmp/ccXJrxlt.ltrans0.ltrans.o
 *(.gnu.warning)
 *(.glue_7t)
 .glue_7t       0x00000000        0x0 linker stubs
 *(.glue_7)
 .glue_7        0x00000000        0x0 linker stubs
 *(.vfp11_veneer)
 .vfp11_veneer  0x00000000        0x0 linker stubs
 *(.v4_bx)
 .v4_bx         0x00000000        0x0 linker stubs

.fini
 *(SORT(.fini))
                0x00008140                PROVIDE (__etext, .)
                0x00008140                PROVIDE (_etext, .)
                0x00008140                PROVIDE (etext, .)

.rodata
 *(.rodata .rodata.* .gnu.linkonce.r.*)

.rodata1
 *(.rodata1)

.ARM.extab
 *(.ARM.extab* .gnu.linkonce.armextab.*)
                0x00008140                PROVIDE (__exidx_start, .)

.ARM.exidx
 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
                0x00008140                PROVIDE (__exidx_end, .)

.eh_frame_hdr
 *(.eh_frame_hdr)

.eh_frame
 *(.eh_frame)

.gcc_except_table
 *(.gcc_except_table .gcc_except_table.*)

.exception_ranges
 *(.exception_ranges .exception_ranges*)
                0x00010140                . = (ALIGN (0x8000) + (. & 
0x7fff))

.eh_frame
 *(.eh_frame)

.gcc_except_table
 *(.gcc_except_table .gcc_except_table.*)

.exception_ranges
 *(.exception_ranges .exception_ranges*)

.tdata
 *(.tdata .tdata.* .gnu.linkonce.td.*)

.tbss
 *(.tbss .tbss.* .gnu.linkonce.tb.*)
 *(.tcommon)

.preinit_array  0x00010140        0x0
                0x00010140                PROVIDE 
(__preinit_array_start, .)
 *(.preinit_array)
                0x00010140                PROVIDE (__preinit_array_end, 
.)

.init_array     0x00010140        0x0
                0x00010140                PROVIDE (__init_array_start, 
.)
 *(SORT(.init_array.*))
 *(.init_array)
                0x00010140                PROVIDE (__init_array_end, .)

.fini_array     0x00010140        0x0
                0x00010140                PROVIDE (__fini_array_start, 
.)
 *(SORT(.fini_array.*))
 *(.fini_array)
                0x00010140                PROVIDE (__fini_array_end, .)

.ctors
 *crtbegin.o(.ctors)
 *crtbegin?.o(.ctors)
 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
 *(SORT(.ctors.*))
 *(.ctors)

.dtors
 *crtbegin.o(.dtors)
 *crtbegin?.o(.dtors)
 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
 *(SORT(.dtors.*))
 *(.dtors)

.jcr
 *(.jcr)

.data.rel.ro
 *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*)
 *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*)

.dynamic
 *(.dynamic)

.got            0x00010140        0x0
 *(.got.plt)
 *(.igot.plt)
 .igot.plt      0x00000000        0x0 /tmp/ccXJrxlt.ltrans0.ltrans.o
 *(.got)
 *(.igot)

.data           0x00010140        0x0
                0x00010140                __data_start = .
 *(.data .data.* .gnu.linkonce.d.*)
 .data          0x00010140        0x0 /tmp/ccXJrxlt.ltrans0.ltrans.o

.data1
 *(.data1)
                0x00010140                _edata = .
                0x00010140                PROVIDE (edata, .)
                0x00010140                . = .
                0x00010140                __bss_start = .
                0x00010140                _bss_start_ = .

.bss            0x00010140        0x8
 *(.dynbss)
 *(.bss .bss.* .gnu.linkonce.b.*)
 .bss           0x00010140        0x0 /tmp/ccXJrxlt.ltrans0.ltrans.o
 .bss.y.4014    0x00010140        0x4 /tmp/ccXJrxlt.ltrans0.ltrans.o
 .bss.j.4016    0x00010144        0x4 /tmp/ccXJrxlt.ltrans0.ltrans.o
 *(COMMON)
                0x00010148                . = ALIGN ((. != 0x0)?0x4:0x1)
                0x00010148                bss_end_ = .
                0x00010148                _bss_end_ = .
                0x00010148                . = ALIGN (0x4)
                0x00010148                . = SEGMENT_START 
("ldata-segment", .)
                0x00010148                . = ALIGN (0x4)
                0x00010148                _end_ = .
                0x00010148                _end = .
                0x00010148                PROVIDE (end, .)

.stab
 *(.stab)

.stabstr
 *(.stabstr)

.stab.excl
 *(.stab.excl)

.stab.exclstr
 *(.stab.exclstr)

.stab.index
 *(.stab.index)

.stab.indexstr
 *(.stab.indexstr)

.comment        0x00000000       0x1a
 *(.comment)
 .comment       0x00000000       0x1a /tmp/ccXJrxlt.ltrans0.ltrans.o
                                 0x1b (size before relaxing)

.debug
 *(.debug)

.line
 *(.line)

.debug_srcinfo
 *(.debug_srcinfo)

.debug_sfnames
 *(.debug_sfnames)

.debug_aranges
 *(.debug_aranges)

.debug_pubnames
 *(.debug_pubnames)

.debug_info
 *(.debug_info .gnu.linkonce.wi.*)

.debug_abbrev
 *(.debug_abbrev)

.debug_line
 *(.debug_line .debug_line.* .debug_line_end)

.debug_frame
 *(.debug_frame)

.debug_str
 *(.debug_str)

.debug_loc
 *(.debug_loc)

.debug_macinfo
 *(.debug_macinfo)

.debug_weaknames
 *(.debug_weaknames)

.debug_funcnames
 *(.debug_funcnames)

.debug_typenames
 *(.debug_typenames)

.debug_varnames
 *(.debug_varnames)

.debug_pubtypes
 *(.debug_pubtypes)

.debug_ranges
 *(.debug_ranges)

.debug_macro
 *(.debug_macro)

.stack          0x00080000        0x0
                0x00080000                _stack = .
 *(.stack)

.ARM.attributes
                0x00000000       0x2f
 *(.ARM.attributes)
 .ARM.attributes
                0x00000000       0x2f /tmp/ccXJrxlt.ltrans0.ltrans.o
 *(.gnu.attributes)

.note.gnu.arm.ident
 *(.note.gnu.arm.ident)

DISCARD
 *(.note.GNU-stack)
 *(.gnu_debuglink)
 *(.gnu.lto_*)
OUTPUT(a.out elf32-littlearm)
/opt/arminarm/bin/../lib/gcc/arm-none-eabi/4.8.2/../../../../arm-none-ea 
bi/bin/ld:  warning: cannot find entry symbol _start; defaulting to 
00008000
/tmp/ccXJrxlt.ltrans0.ltrans.o: In function `my_func.4011':
ccXJrxlt.ltrans0.o:(.text.my_func.4011+0xa): undefined reference to 
`__aeabi_f2d'
ccXJrxlt.ltrans0.o:(.text.my_func.4011+0x1a): undefined reference to 
`__aeabi_dmul'
ccXJrxlt.ltrans0.o:(.text.my_func.4011+0x26): undefined reference to 
`__aeabi_d2f'
/tmp/ccXJrxlt.ltrans0.ltrans.o: In function `main.4008':
ccXJrxlt.ltrans0.o:(.text.main.4008+0x22): undefined reference to 
`__aeabi_idivmod'
ccXJrxlt.ltrans0.o:(.text.main.4008+0x2c): undefined reference to 
`__aeabi_f2d'
ccXJrxlt.ltrans0.o:(.text.main.4008+0x3c): undefined reference to 
`__aeabi_dmul'
ccXJrxlt.ltrans0.o:(.text.main.4008+0x4a): undefined reference to 
`__aeabi_i2d'
ccXJrxlt.ltrans0.o:(.text.main.4008+0x5a): undefined reference to 
`__aeabi_dmul'
ccXJrxlt.ltrans0.o:(.text.main.4008+0x66): undefined reference to 
`__aeabi_d2f'
ccXJrxlt.ltrans0.o:(.text.main.4008+0x72): undefined reference to 
`__aeabi_fcmpgt'
ccXJrxlt.ltrans0.o:(.text.main.4008+0x7e): undefined reference to 
`__aeabi_f2d'
ccXJrxlt.ltrans0.o:(.text.main.4008+0x8e): undefined reference to 
`__aeabi_ddiv'
ccXJrxlt.ltrans0.o:(.text.main.4008+0x9a): undefined reference to 
`__aeabi_d2f'
ccXJrxlt.ltrans0.o:(.text.main.4008+0xb6): undefined reference to 
`__aeabi_idiv'
collect2: error: ld returned 1 exit status