The issue seems to be with the declaration "uint8_t * const uip_buf"
Anthony Asterisk wrote:
> I narrowed it down to a testcase.
>
> This problem occurs when using the #5718 Feb 26 2010 release of sdcc.
> It does not occur with #4818 (Jan 18 2008).
> I have not tested more recent versions.
>
> #include <string.h>
> #include <stdint.h>
> #define UIP_LLH_LEN 0
> #define UIP_IP_BUF ((struct uip_ip_hdr
> *)&uip_buf[UIP_LLH_LEN])
> #define UIP_BUFSIZE 126
> extern uint8_t * const uip_buf;
> static uint32_t uip_buf32[(UIP_BUFSIZE + 3) / 4];
> uint8_t * const uip_buf = (uint8_t * const) uip_buf32;
> typedef union uip_ip6addr_t {
> uint8_t u8[16];
> uint16_t u16[8];
> } uip_ip6addr_t;
> struct uip_ip_hdr {
> /* IPV6 header */
> uint8_t vtc;
> uint8_t tcflow;
> uint16_t flow;
> uint8_t len[2];
> uint8_t proto, ttl;
> uip_ip6addr_t srcipaddr, destipaddr;
> };
> void
> uip_process(uint8_t flag)
> {
> UIP_IP_BUF->flow = 0x00;
> return;
> }
> main (void)
> {
> uip_process(0);
> return 0;
> }
>
>
>
> ~/sdcc_bug5$ sdcc -v
> SDCC : mcs51 2.9.7 #5718 (Feb 26 2010) (UNIX)
> ~/sdcc_bug5$ sdcc main.c
> main.c:26: error 9: FATAL Compiler Internal Error in file 'gen.c' line
> number '11208' : genPointerSet: illegal pointer type
> Contact Author with source code
> main.c:26: warning 85: in function uip_process unreferenced function
> argument : 'flag'
>
>
>
> Anthony Asterisk wrote:
>> I got a new error I haven't seen before:
>>
>> ../../core/net/uip6.c:2202: error 9: FATAL Compiler Internal Error in
>> file 'gen.c' line number '11208' : genPointerSet: illegal pointer type
>> Contact Author with source code
>>
>> I want to prepare a testcase, however the line mentioned is the last
>> line in a 1400 line procedure. Since its rather large I'm wondering
>> if there is anyway to narrow down the type of problem I am looking for.
>>
>> Any advice?
>>
>> a*
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