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Code Issues Releases Activity

Use target_read_memory() and extract_unsigned_integer() instead of direct

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KVM access to read kernel pointers.
This commit is contained in:
John Baldwin 2008-01-29 23:36:42 +00:00
parent a4d5f8a2b7
commit c989eb07bb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=175807
1 changed files with 5 additions and 18 deletions
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23
gnu/usr.bin/gdb/kgdb/kld.c
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@ -136,25 +136,12 @@ find_kld_path (char *filename, char *path, size_t path_size)
static CORE_ADDR
read_pointer (CORE_ADDR address)
{
union {
uint32_t d32;
uint64_t d64;
} val;
CORE_ADDR value;
switch (TARGET_PTR_BIT) {
case 32:
if (kvm_read(kvm, address, &val.d32, sizeof(val.d32)) !=
sizeof(val.d32))
return (0);
return (val.d32);
case 64:
if (kvm_read(kvm, address, &val.d64, sizeof(val.d64)) !=
sizeof(val.d64))
return (0);
return (val.d64);
default:
return (0);
}
if (target_read_memory(address, (char *)&value, TARGET_PTR_BIT / 8) !=
0)
return (0);
return (extract_unsigned_integer(&value, TARGET_PTR_BIT / 8));
}
/*