Date: Sat, 22 Jan 2011 00:32:12 +0000 (UTC) From: Marcel Moolenaar <marcel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r217708 - head/sys/arm/mv Message-ID: <201101220032.p0M0WCrS072883@svn.freebsd.org>
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Author: marcel Date: Sat Jan 22 00:32:12 2011 New Revision: 217708 URL: http://svn.freebsd.org/changeset/base/217708 Log: 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. Modified: head/sys/arm/mv/mv_machdep.c Modified: head/sys/arm/mv/mv_machdep.c ============================================================================== --- head/sys/arm/mv/mv_machdep.c Sat Jan 22 00:19:15 2011 (r217707) +++ head/sys/arm/mv/mv_machdep.c Sat Jan 22 00:32:12 2011 (r217708) @@ -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 {
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