From d2f4d7286629da6e9f1b844beefb141a4d3ef2c3 Mon Sep 17 00:00:00 2001 From: Mark Wielaard Date: Wed, 10 Dec 2008 20:39:45 +0100 Subject: PR6866: First pass at translating addresses to symbol names through vma. --- tapset/ChangeLog | 7 +++++++ tapset/context-symbols.stp | 8 ++++++++ tapset/context-unwind.stp | 3 ++- 3 files changed, 17 insertions(+), 1 deletion(-) (limited to 'tapset') diff --git a/tapset/ChangeLog b/tapset/ChangeLog index 626ad67b..30634bcc 100644 --- a/tapset/ChangeLog +++ b/tapset/ChangeLog @@ -1,3 +1,10 @@ +2008-12-10 Mark Wielaard + + * context-symbols.stp: Define STP_NEED_TASK_FINDER_VMA. + (symbolname): New function. + * context-unwind.stp (caller): Pass current task to + _stp_symbol_snprint. + 2008-12-09 Frank Ch. Eigler PR 6961. diff --git a/tapset/context-symbols.stp b/tapset/context-symbols.stp index 79645f4f..fbb51767 100644 --- a/tapset/context-symbols.stp +++ b/tapset/context-symbols.stp @@ -11,6 +11,9 @@ #ifndef STP_NEED_SYMBOL_DATA #define STP_NEED_SYMBOL_DATA 1 #endif +#ifndef STP_NEED_TASK_FINDER_VMA +#define STP_NEED_TASK_FINDER_VMA 1 +#endif %} /** @@ -93,3 +96,8 @@ function probemod:string () %{ /* pure */ THIS->__retvalue[0] = '\0'; } %} + +function symbolname:string (addr:long) %{ /* pure */ + _stp_symbol_snprint(THIS->__retvalue, MAXSTRINGLEN, THIS->addr, + current); +%} diff --git a/tapset/context-unwind.stp b/tapset/context-unwind.stp index 4c5ed34b..59d111ee 100644 --- a/tapset/context-unwind.stp +++ b/tapset/context-unwind.stp @@ -51,7 +51,8 @@ function backtrace:string () %{ /* pure */ function caller:string() %{ /* pure */ if (CONTEXT->pi) _stp_symbol_snprint( THIS->__retvalue, MAXSTRINGLEN, - (unsigned long)_stp_ret_addr_r(CONTEXT->pi)); + (unsigned long)_stp_ret_addr_r(CONTEXT->pi), + current); else strlcpy(THIS->__retvalue,"unknown",MAXSTRINGLEN); %} -- cgit From 3a5153c5590a89d6c0b70fc2c13554190b8c3be8 Mon Sep 17 00:00:00 2001 From: Mark Wielaard Date: Mon, 15 Dec 2008 18:04:36 +0100 Subject: context-symbols.stp (probefunc): Call _stp_symbol_snprint with current task. --- tapset/ChangeLog | 5 +++++ tapset/context-symbols.stp | 5 +---- 2 files changed, 6 insertions(+), 4 deletions(-) (limited to 'tapset') diff --git a/tapset/ChangeLog b/tapset/ChangeLog index 30634bcc..d1d2064c 100644 --- a/tapset/ChangeLog +++ b/tapset/ChangeLog @@ -1,3 +1,8 @@ +2008-12-15 Mark Wielaard + + * context-symbols.stp (probefunc): Call _stp_symbol_snprint with + current task. + 2008-12-10 Mark Wielaard * context-symbols.stp: Define STP_NEED_TASK_FINDER_VMA. diff --git a/tapset/context-symbols.stp b/tapset/context-symbols.stp index fbb51767..bd9a93b9 100644 --- a/tapset/context-symbols.stp +++ b/tapset/context-symbols.stp @@ -11,9 +11,6 @@ #ifndef STP_NEED_SYMBOL_DATA #define STP_NEED_SYMBOL_DATA 1 #endif -#ifndef STP_NEED_TASK_FINDER_VMA -#define STP_NEED_TASK_FINDER_VMA 1 -#endif %} /** @@ -66,7 +63,7 @@ function probefunc:string () %{ /* pure */ #else ((unsigned long)REG_IP(CONTEXT->regs) >= (unsigned long)PAGE_OFFSET)) { #endif - _stp_symbol_snprint(THIS->__retvalue, MAXSTRINGLEN, REG_IP(CONTEXT->regs)); + _stp_symbol_snprint(THIS->__retvalue, MAXSTRINGLEN, REG_IP(CONTEXT->regs), current); if (THIS->__retvalue[0] == '.') /* powerpc symbol has a dot*/ strlcpy(THIS->__retvalue,THIS->__retvalue + 1,MAXSTRINGLEN); } else { -- cgit From ae65abfb3d6c807f63adb11c060b1ca56b779c02 Mon Sep 17 00:00:00 2001 From: "Frank Ch. Eigler" Date: Wed, 1 Apr 2009 17:20:05 -0400 Subject: PR10020 sys_sigaltstack param change The new code uses a %( kernel_v < "2.6.29" %) conditional to look at the passed pt_regs instead of named *bx parameters. A more general solution will be needed at some point. --- tapset/i686/syscalls.stp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tapset') diff --git a/tapset/i686/syscalls.stp b/tapset/i686/syscalls.stp index 8e69f622..2a89c19d 100644 --- a/tapset/i686/syscalls.stp +++ b/tapset/i686/syscalls.stp @@ -119,7 +119,7 @@ probe syscall.set_zone_reclaim.return = # probe syscall.sigaltstack = kernel.function("sys_sigaltstack") { name = "sigaltstack" - ussp = %( kernel_vr < "2.6.25" %? $ebx %: $bx %) + ussp = %( kernel_vr < "2.6.25" %? $ebx %: %( kernel_vr < "2.6.29" %? $bx %: $regs->bx %) %) argstr = sprintf("%p", ussp) } probe syscall.sigaltstack.return = kernel.function("sys_sigaltstack").return { -- cgit