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author | marcel <marcel@FreeBSD.org> | 2011-01-22 00:32:12 +0000 |
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committer | marcel <marcel@FreeBSD.org> | 2011-01-22 00:32:12 +0000 |
commit | 2d20aaad9b43a7bcc980097df067f7bdf067c2cc (patch) | |
tree | 7511ca54038f25f1f58872d4faa69ec76125fbd3 /sys/arm | |
parent | 809122d5c7c9019a4d1ff6ae7205400a6ca76f88 (diff) | |
download | FreeBSD-src-2d20aaad9b43a7bcc980097df067f7bdf067c2cc.zip FreeBSD-src-2d20aaad9b43a7bcc980097df067f7bdf067c2cc.tar.gz |
Fix backtraces by defining ksym_start & ksym_end if DDB is
defined. The kernel linker doesn't deal with symbols of
type NOTYPE and typically gives the wrong symbol ($a) for
local symbols.
Obtained from: Juniper Networks, Inc.
Diffstat (limited to 'sys/arm')
-rw-r--r-- | sys/arm/mv/mv_machdep.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/arm/mv/mv_machdep.c b/sys/arm/mv/mv_machdep.c index 4981d22..9347c56 100644 --- a/sys/arm/mv/mv_machdep.c +++ b/sys/arm/mv/mv_machdep.c @@ -118,6 +118,10 @@ extern unsigned char _edata[]; extern unsigned char __bss_start[]; extern unsigned char _end[]; +#ifdef DDB +extern vm_offset_t ksym_start, ksym_end; +#endif + extern u_int data_abort_handler_address; extern u_int prefetch_abort_handler_address; extern u_int undefined_handler_address; @@ -330,6 +334,10 @@ initarm(void *mdp, void *unused __unused) dtbp = MD_FETCH(kmdp, MODINFOMD_DTBP, vm_offset_t); lastaddr = MD_FETCH(kmdp, MODINFOMD_KERNEND, vm_offset_t); +#ifdef DDB + ksym_start = MD_FETCH(kmdp, MODINFOMD_SSYM, uintptr_t); + ksym_end = MD_FETCH(kmdp, MODINFOMD_ESYM, uintptr_t); +#endif } } else { |