gdb and binutils branch master updated. 621661e3faf809d4f28bb84e94e30c1c8a8cc933

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=621661e3faf809d4f28bb84e94e30c1c8a8cc933

commit 621661e3faf809d4f28bb84e94e30c1c8a8cc933
Author: Maciej W. Rozycki <macro@codesourcery.com>
Date:   Thu Dec 4 00:06:10 2014 +0000

    Correct invalid assumptions made by (mostly) DWARF-2 tests
    
    Address issues triggered by the MIPS ISA bit handling change, usually in
    tests that make artificial DWARF-2 records:
    
    * gdb.cp/expand-psymtabs-cxx.exp -- this test is debugging an object file
      and assuming addresses will be 0; with the ISA bit set code addresses
      are 1 instead:
    
    (gdb) PASS: gdb.cp/expand-psymtabs-cxx.exp: set language c++
    p 'method(long)'
    $1 = {void (long)} 0x1 <method(long)>
    (gdb) FAIL: gdb.cp/expand-psymtabs-cxx.exp: before expand
    p method
    $2 = {void (long)} 0x1 <method(long)>
    (gdb) FAIL: gdb.cp/expand-psymtabs-cxx.exp: force expand
    p 'method(long)'
    $3 = {void (long)} 0x1 <method(long)>
    (gdb) FAIL: gdb.cp/expand-psymtabs-cxx.exp: after expand
    
      Fix by matching any hex number, there's no value AFAICT for the test
      in matching 0 exactly, and I suppose the method's offset within
      section can be non-zero for some other reasons on other targets too.
    
    * gdb.cp/nsalias.exp -- this assumes instructions can be aligned
      arbitrarily and places code labels at odd addreses, setting the ISA
      bit and wreaking havoc:
    
    (gdb) PASS: gdb.cp/nsalias.exp: print outer::inner::innermost::x
    list outer::inner::innermost::foo
    Function "outer::inner::innermost::foo" not defined.
    (gdb) FAIL: gdb.cp/nsalias.exp: list outer::inner::innermost::foo
    break *outer::inner::innermost::foo
    No symbol "foo" in namespace "outer::inner::innermost".
    (gdb) FAIL: gdb.cp/nsalias.exp: setting breakpoint at
    *outer::inner::innermost::foo
    delete $bpnum
    No breakpoint number 6.
    (gdb) FAIL: gdb.cp/nsalias.exp: (outer::inner::innermost): delete $bpnum
    
      -- etc., etc...  Fix by aligning labels to 4; required by many
      processors.
    
    * gdb.dwarf2/dw2-canonicalize-type.exp, gdb.dwarf2/dw2-empty-pc-range.exp,
      gdb.dwarf2/pr11465.exp -- these assume an instruction and consequently
      a function can take as little as 1 byte, which makes it impossible to
      look up a code symbol by an address with the ISA bit set as the
      address is already beyond the end of the function:
    
    (gdb) ptype f
    No symbol "f" in current context.
    (gdb) FAIL: gdb.dwarf2/dw2-canonicalize-type.exp: ptype f
    
    (gdb) PASS: gdb.dwarf2/dw2-empty-pc-range.exp: empty range before CU load
    ptype realrange
    No symbol "realrange" in current context.
    (gdb) FAIL: gdb.dwarf2/dw2-empty-pc-range.exp: valid range after CU load
    
    (gdb) p N::c.C
    Cannot take address of method C.
    (gdb) FAIL: gdb.dwarf2/pr11465.exp: p N::c.C
    
      -- fix by increasing the size of the function to 4 (perhaps code in
      gdb/mips-tdep.c could look up code symbols up to twice, with and
      failing that without the ISA bit set, but it seems wrong to me to
      implement specific handling for invalid code just to satisfy test
      cases that assume too much about the target).
    
    * gdb.dwarf2/dw2-case-insensitive.exp -- an artificial code label is
      created, but does not work because data (a `.align' pseudo-op in this
      case) follows and as a result the label has no MIPS16 or microMIPS
      annotation in the symbol table:
    
    (gdb) PASS: gdb.dwarf2/dw2-case-insensitive.exp: set case-sensitive off
    info functions fUnC_lang
    All functions matching regular expression "fUnC_lang":
    
    File file1.txt:
    foo FUNC_lang(void);
    
    Non-debugging symbols:
    0x004006e0  FUNC_lang_start
    (gdb) FAIL: gdb.dwarf2/dw2-case-insensitive.exp: regexp case-sensitive off
    
      -- fix by adding a `.insn' pseudo-op on MIPS targets; the pseudo-op
      marks data as instructions.
    
    * gdb.dwarf2/dw2-stack-boundary.exp -- the test case enables complaints
      and assumes none will be issued beyond ones explicitly arranged by the
      test case, however overlapping sections are noticed while minimal
      symbols are looked up by `mips_adjust_dwarf2_addr' in DWARF-2 record
      processing:
    
    (gdb) set complaints 100
    (gdb) PASS: gdb.dwarf2/dw2-stack-boundary.exp: set complaints 100
    file ./dw2-stack-boundary
    Reading symbols from ./dw2-stack-boundary...location description stack
    underflow...location description stack overflow...unexpected overlap
    between:
     (A) section `.reginfo' from `.../gdb.dwarf2/dw2-stack-boundary' [0x0, 0x18)
     (B) section `*COM*' from `.../gdb.dwarf2/dw2-stack-boundary' [0x0, 0x0).
    Will ignore section B...unexpected overlap between:
     (A) section `.reginfo' from `.../gdb.dwarf2/dw2-stack-boundary' [0x0, 0x18)
     (B) section `*UND*' from `.../gdb.dwarf2/dw2-stack-boundary' [0x0, 0x0).
    Will ignore section B...unexpected overlap between:
     (A) section `.reginfo' from `.../gdb.dwarf2/dw2-stack-boundary' [0x0, 0x18)
     (B) section `*ABS*' from `.../gdb.dwarf2/dw2-stack-boundary' [0x0, 0x0).
    Will ignore section B...done.
    
    (gdb) FAIL: gdb.dwarf2/dw2-stack-boundary.exp: check partial symtab errors
    
      -- fix by ignoring any extra noise as long as what we look for is
      found.
    
    	* gdb.cp/expand-psymtabs-cxx.exp: Accept any address of
    	`method(long)', not just 0x0.
    	* gdb.cp/nsalias.exp: Align code labels to 4.
    	* gdb.dwarf2/dw2-canonicalize-type.S (main): Expand to 4-bytes.
    	* gdb.dwarf2/dw2-empty-pc-range.S (main): Likewise.
    	* gdb.dwarf2/pr11465.S (_ZN1N1cE): Likewise.
    	* gdb.dwarf2/dw2-case-insensitive.c (START_INSNS): New macro.
    	(cu_text_start, FUNC_lang_start): Use `START_INSNS'.
    	* gdb.dwarf2/dw2-stack-boundary.exp: Accept noise in complaints.

-----------------------------------------------------------------------

Summary of changes:
 gdb/testsuite/ChangeLog                          |   12 ++++++++++++
 gdb/testsuite/gdb.cp/expand-psymtabs-cxx.exp     |    6 +++---
 gdb/testsuite/gdb.cp/nsalias.exp                 |   12 ++++++------
 gdb/testsuite/gdb.dwarf2/dw2-canonicalize-type.S |    3 ++-
 gdb/testsuite/gdb.dwarf2/dw2-case-insensitive.c  |    9 +++++++++
 gdb/testsuite/gdb.dwarf2/dw2-empty-pc-range.S    |    2 +-
 gdb/testsuite/gdb.dwarf2/dw2-stack-boundary.exp  |    2 +-
 gdb/testsuite/gdb.dwarf2/pr11465.S               |    8 +++++---
 8 files changed, 39 insertions(+), 15 deletions(-)


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