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Prevent crash in debugger.

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This commit is contained in:
Eric Pouech 1999-04-03 11:10:54 +00:00 committed by Alexandre Julliard
parent f585c61dd1
commit 15ca6c43a9
1 changed files with 15 additions and 8 deletions
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23
debugger/db_disasm.c
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@ -1036,15 +1036,22 @@ db_print_address(seg, size, addrp, byref)
}
else {
/* try to get destination of indirect call)
works not for segmented adresses */
/* try to get destination of indirect call
does not work for segmented adresses */
if (!seg && byref) {
DBG_ADDR dbg_addr = {0,0,*(LPDWORD)(addrp->disp)};
fprintf(stderr,"0x%x -> ", addrp->disp);
if ( DEBUG_IsBadReadPtr( &dbg_addr, sizeof(DWORD)))
fprintf(stderr, "(invalid destination)");
else
db_task_printsym(dbg_addr.off, 0);
DBG_ADDR dbg_addr = {NULL, 0, 0};
dbg_addr.off = addrp->disp;
fprintf(stderr,"0x%x -> ", addrp->disp);
if (DEBUG_IsBadReadPtr( &dbg_addr, sizeof(LPDWORD))) {
fprintf(stderr, "(invalid source)");
} else {
dbg_addr.off = *(LPDWORD)(addrp->disp);
if (DEBUG_IsBadReadPtr( &dbg_addr, sizeof(DWORD)))
fprintf(stderr, "(invalid destination)");
else
db_task_printsym(dbg_addr.off, 0);
}
}
else
db_task_printsym(addrp->disp, size);