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Re: Building gdb on IA64 linux


Steve Ellcey wrote:
Jeff,

I can now build gdb on IA64 without using libunwind, but when I try
to use libunwind, I get:

/extra/sje/gdb/src/gdb/ia64-tdep.c: In function 'ia64_find_unwind_table':
/extra/sje/gdb/src/gdb/ia64-tdep.c:2585: error: 'UNW_INFO_FORMAT_REMOTE_TABLE' undeclared (first use in this function)
/extra/sje/gdb/src/gdb/ia64-tdep.c:2585: error: (Each undeclared identifier is reported only once
/extra/sje/gdb/src/gdb/ia64-tdep.c:2585: error: for each function it appears in.)
/extra/sje/gdb/src/gdb/ia64-tdep.c:2586: error: 'union <anonymous>' has no member named 'rti'
/extra/sje/gdb/src/gdb/ia64-tdep.c:2587: error: 'union <anonymous>' has no member named 'rti'
/extra/sje/gdb/src/gdb/ia64-tdep.c:2588: error: 'union <anonymous>' has no member named 'rti'
/extra/sje/gdb/src/gdb/ia64-tdep.c: In function 'ia64_find_proc_info_x':
/extra/sje/gdb/src/gdb/ia64-tdep.c:2633: error: 'union <anonymous>' has no member named 'rti'
/extra/sje/gdb/src/gdb/ia64-tdep.c:2634: error: 'union <anonymous>' has no member named 'rti'
/extra/sje/gdb/src/gdb/ia64-tdep.c:2637: error: 'union <anonymous>' has no member named 'rti'
/extra/sje/gdb/src/gdb/ia64-tdep.c:2638: error: 'union <anonymous>' has no member named 'rti'

What is UNW_INFO_FORMAT_REMOTE_TABLE?  Do I need a new libunwind to get
this macro?  I am on a redhat 2.6 and I don't have libunwind on my
system but I am using GCC 4.0 and it has an unwind.h and a libunwind.so
in the location where I built it.  But, this unwind.h does not have a
definition of UNW_INFO_FORMAT_REMOTE_TABLE.

Steve Ellcey
sje@cup.hp.com


Yes, you must have libunwind installed as there are header files installed which are needed when building gdb.


There is a check in configure.ac: AC_CHECK_HEADERS(libunwind-ia64.h) that will set HAVE_LIBUNWIND_IA64_H. This flag protects the references to libunwind macros/functions in ia64-tdep.c. Did you go around this check?

-- Jeff J.


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