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Author SHA1 Message Date
Ken Werner d83846f120 ARM: Initial support for remote unwinding using libunwind-ptrace 
Change _UPTi_find_unwind_table to also look for the ARM specific unwind
information. Adjust the ARM unwind code to read memory using the accessor
routines.

Signed-off-by: Ken Werner <ken.werner@linaro.org>
 2011-08-15 20:12:54 +02:00
Ken Werner 545023c207 Rework the lookup of the ARM specific unwind info 
Implement routines for finding the proc_info and searching the unwind table
for the ARM backend.

Signed-off-by: Ken Werner <ken.werner@linaro.org>
 2011-08-15 20:12:54 +02:00
Ken Werner 25f6b8295d Change address type from void* to unw_word_t. 
Signed-off-by: Ken Werner <ken.werner@linaro.org>
 2011-07-28 11:10:02 +00:00
Ken Werner 264b101905 Move arm_exidx_entry and arm_exidx_table structs from ex_tables.h into libunwind-arm.h. 
Signed-off-by: Ken Werner <ken.werner@linaro.org>
 2011-07-15 11:57:55 +00:00
Ken Werner fd21d07fe4 Create a generic and local variant of the extbl parser. 
In order to have the DWARF_* macros working properly a generic and a local
variant of the ex_tables.c have been created.

Signed-off-by: Ken Werner <ken.werner@linaro.org>
 2011-04-05 20:59:10 -07:00
Ken Werner f053677198 Remove the ARM_EXIDX_TABLE_MALLOC code path. 
Using malloc is not an option since unw_init_local and unw_step are supposed
to be async signal safe. Therefore this code path can be removed.

Signed-off-by: Ken Werner <ken.werner@linaro.org>
 2011-03-24 20:44:33 -07:00
Ken Werner 6296ff1fb2 Remove the appname string of the ARM extbl parser. 
There is no need for libunwind to set/fake a name of the elf file from which
the program header came from.

Signed-off-by: Ken Werner <ken.werner@linaro.org>
 2011-03-24 20:44:33 -07:00
Ken Werner fb325c895e ARM extbl cleanup. 
Move code that does not necessarily need to reside in the ex_tables.h header
file into ex_tables.c. Add comments and remove unused code.

Signed-off-by: Ken Werner <ken.werner@linaro.org>
 2011-03-24 20:44:25 -07:00
Ken Werner cf8d5e41af Have the ARM extbtl-parser operate on the DWARF model directly. 
This eliminates the arm_stackframe and therefore the need to synchronize the
two models. It also clears the way for unwinding call stacks with mixed
DWARF- and extbl-frames.

Signed-off-by: Ken Werner <ken.werner@linaro.org>
 2011-03-24 20:42:00 -07:00
Zachary T Welch ffc474b8c8 Add module for parsing ARM-specific unwind tables 
Handles lookup, extracting unwind entries, and decoding the entry
using a callback mechanism.

Signed-off-by: Ken Werner <ken.werner@linaro.org>
 2011-03-22 08:14:51 -07:00