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Add a range check for the DCR address in db_ppc4xx_dcr().

This commit is contained in:
scw 2002-12-19 13:45:03 +00:00
parent de98ba0a49
commit c10c20ac28
1 changed files with 4 additions and 1 deletions
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5
sys/arch/powerpc/powerpc/db_interface.c
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@ -1,4 +1,4 @@
/* $NetBSD: db_interface.c,v 1.22 2002/12/19 13:29:53 scw Exp $ */
/* $NetBSD: db_interface.c,v 1.23 2002/12/19 13:45:03 scw Exp $ */
/* $OpenBSD: db_interface.c,v 1.2 1996/12/28 06:21:50 rahnds Exp $ */
#define USERACC
@ -339,6 +339,9 @@ db_ppc4xx_dcr(db_expr_t address, int have_addr, db_expr_t count, char *modif)
db_expr_t new_value;
db_expr_t addr;
if (address < 0 || address > 0x3ff)
db_error("Invalid DCR address (Valid range is 0x0 - 0x3ff)\n");
addr = address;
while (db_expression(&new_value)) {