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binutils-gdb/gdb/testsuite/gdb.dwarf2
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Omair Javaid 93a360cc5d Fix testsuite/gdb.dwarf2/dw2-dos-drive.exp on ARM. 
This test currently fails on ARM:

  (gdb) PASS: gdb.dwarf2/dw2-dos-drive.exp: set breakpoint pending off
  break 'z:file.c':func
  Cannot access memory at address 0x0

The error is GDB trying to read the prologue at the breakpoint's
address, and failing:

  38 throw_error() exceptions.c:444 0x0016728c
  37 memory_error() corefile.c:204 0x001d1fcc
  36 read_memory() corefile.c:223 0x001d201a
  35 read_memory_unsigned_integer() corefile.c:312 0x001d2166
  34 arm_skip_prologue() arm-tdep.c:1452 0x00054270

  static CORE_ADDR
  arm_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
  {
  ...
    for (skip_pc = pc; skip_pc < limit_pc; skip_pc += 4)
      {
        inst = read_memory_unsigned_integer (skip_pc, 4, byte_order_for_code);


The test doesn't execute the compiled object's code, so GDB will try
to read memory from the binary's sections.  Instructions on ARM are
4-byte wide, and thus ARM's prologue scanner reads in 4-byte chunks.
As the section 'func' is put at is only 1 byte long, and no other
section is allocated contiguously:

  ...
  Sections:
  Idx Name          Size      VMA       LMA       File off  Algn
    0 .text         00000001  00000000  00000000  00000034  2**0
                    CONTENTS, ALLOC, LOAD, READONLY, CODE
  ...

... the exec target fails the read the 4 bytes.

Fix this by increasing the function's size.

gdb/testsuite/ChangeLog:
2014-01-16  Omair Javaid  <Omair.Javaid@linaro.org>

	* gdb.dwarf2/dw2-dos-drive.S: Increase text section size to 4
	bytes.
2014-01-16 10:09:34 +00:00
..
callframecfa.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
callframecfa.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
clztest.c
clztest.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
clztest.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dup-psym.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-ada-ffffffff.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-ada-ffffffff.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-anon-mptr.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-anon-mptr.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-anonymous-func.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-anonymous-func.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-bad-parameter-type.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-basic.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-canonicalize-type.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-case-insensitive-debug.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-case-insensitive.c Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-case-insensitive.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-common-block.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-compdir-oldgcc.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-cp-infcall-ref-static-main.c Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-cu-size.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-cu-size.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-dir-file-name.c Since upstream gcc has recently increased the function alignment on 2014-01-10 15:37:36 +00:00
dw2-dir-file-name.exp Since upstream gcc has recently increased the function alignment on 2014-01-10 15:37:36 +00:00
dw2-dos-drive.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-dos-drive.S Fix testsuite/gdb.dwarf2/dw2-dos-drive.exp on ARM. 2014-01-16 10:09:34 +00:00
dw2-double-set-die-type.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-linkage-name-trust-main.cc Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-linkage-name-trust.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-minsym-in-cu.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-minsym-in-cu.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-modula2-self-type.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-namespaceless-anonymous.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-namespaceless-anonymous.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-noloc-main.c Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-noloc.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-objfile-overlap-inner.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-objfile-overlap-outer.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-objfile-overlap.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-op-call.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-op-call.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-op-out-param.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-op-stack-value.exp Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-param-error-main.c Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-ranges.c Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-ref-missing-frame-func.c Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-simple-locdesc.S Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
dw2-skip-prologue.c Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw2-undefined-ret-addr.c Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
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dw4-sig-types.h
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file1.txt
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