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Change kbdb's kthr::cpu field into an int, to avoid gcc warnings about

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comparing it with NOCPU, which became -1 recently.  While here, avoid
using it for address calculations if it is negative.

Reviewed by:	jhb, adrian
MFC after:	1 week
This commit is contained in:
Dimitry Andric 2014-11-11 18:54:57 +00:00
parent 858b72dbb8
commit 7a3659bcac
2 changed files with 2 additions and 2 deletions
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2
gnu/usr.bin/gdb/kgdb/kgdb.h
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@ -41,7 +41,7 @@ struct kthr {
uintptr_t pcb;
int tid;
int pid;
u_char cpu;
int cpu;
};
extern struct kthr *curkthr;

2
gnu/usr.bin/gdb/kgdb/trgt_i386.c
View File

@ -139,7 +139,7 @@ kgdb_trgt_fetch_tss(void)
uintptr_t addr, cpu0prvpage, tss;
kt = kgdb_thr_lookup_tid(ptid_get_pid(inferior_ptid));
if (kt == NULL || kt->cpu == NOCPU)
if (kt == NULL || kt->cpu == NOCPU || kt->cpu < 0)
return (0);
addr = kgdb_lookup("gdt");