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Add new 'z' format for print command.

Browse source 
http://sourceware.org/ml/gdb-patches/2013-07/msg00235.html

gdb/ChangeLog

        * NEWS: Mention new 'z' formatter.
        * printcmd.c (print_scalar_formatted): Add new 'z' formatter.
        (_initialize_printcmd): Mention 'z' formatter in help text of the
        'x' command.

gdb/doc/ChangeLog

        * gdb.texinfo (Output Formats): Mention the new 'z' formatter.

gdb/testsuite/ChangeLog

        * gdb.base/printcmds.exp (test_print_int_arrays): Add tests for x,
        z, o, and t output formats.
        * gdb.base/display.exp: Use 'k' as an undefined format now that
        'z' is defined.
This commit is contained in:
Andrew Burgess 2013-07-25 10:16:08 +00:00
parent db6a5d5f90
commit 6fbe845e0c
8 changed files with 43 additions and 2 deletions
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7
gdb/ChangeLog
View file

@ -1,3 +1,10 @@
2013-07-25 Andrew Burgess <aburgess@broadcom.com>
* NEWS: Mention new 'z' formatter.
* printcmd.c (print_scalar_formatted): Add new 'z' formatter.
(_initialize_printcmd): Mention 'z' formatter in help text of the
'x' command.
2013-07-24 Maciej W. Rozycki <macro@codesourcery.com>
* mips-tdep.c (micromips_deal_with_atomic_sequence): Correct

3
gdb/NEWS
View file

@ -128,6 +128,9 @@ qXfer:libraries-svr4:read's annex
'qXfer:traceframe-info:read'. It has the id of the collected
trace state variables.
* New 'z' formatter for printing and examining memory, this displays the
value as hexadecimal zero padded on the left to the size of the type.
*** Changes in GDB 7.6
* Target record has been renamed to record-full.

4
gdb/doc/ChangeLog
View file

@ -1,3 +1,7 @@
2013-07-25 Andrew Burgess <aburgess@broadcom.com>
* gdb.texinfo (Output Formats): Mention the new 'z' formatter.
2013-07-17 Doug Evans <dje@google.com>
* gdb.texinfo (Print Settings): Document "print raw frame-arguments".

5
gdb/doc/gdb.texinfo
View file

@ -8517,6 +8517,11 @@ Without this format, @value{GDBN} displays pointers to and arrays of
strings. Single-byte members of a vector are displayed as an integer
array.
@item z
Like @samp{x} formatting, the value is treated as an integer and
printed as hexadecimal, but leading zeros are printed to pad the value
to the size of the integer type.
@item r
@cindex raw printing
Print using the @samp{raw} formatting. By default, @value{GDBN} will

7
gdb/printcmd.c
View file

@ -533,6 +533,10 @@ print_scalar_formatted (const void *valaddr, struct type *type,
}
break;
case 'z':
print_hex_chars (stream, valaddr, len, byte_order);
break;
default:
error (_("Undefined output format \"%c\"."), options->format);
}
@ -2496,7 +2500,8 @@ Examine memory: x/FMT ADDRESS.\n\
ADDRESS is an expression for the memory address to examine.\n\
FMT is a repeat count followed by a format letter and a size letter.\n\
Format letters are o(octal), x(hex), d(decimal), u(unsigned decimal),\n\
t(binary), f(float), a(address), i(instruction), c(char) and s(string).\n\
t(binary), f(float), a(address), i(instruction), c(char), s(string)\n\
and z(hex, zero padded on the left).\n\
Size letters are b(byte), h(halfword), w(word), g(giant, 8 bytes).\n\
The specified number of objects of the specified size are printed\n\
according to the format.\n\n\

7
gdb/testsuite/ChangeLog
View file

@ -1,3 +1,10 @@
2013-07-25 Andrew Burgess <aburgess@broadcom.com>
* gdb.base/printcmds.exp (test_print_int_arrays): Add tests for x,
z, o, and t output formats.
* gdb.base/display.exp: Use 'k' as an undefined format now that
'z' is defined.
2013-07-24 Doug Evans <dje@google.com>
* boards/native-stdio-gdbserver.exp (${board}_build_remote_cmd): Pass

2
gdb/testsuite/gdb.base/display.exp
View file

@ -168,7 +168,7 @@ gdb_test "printf \"%p\\n\", 1" "0x1"
# play with "print", too
#
gdb_test "print/z j" ".*Undefined output format.*"
gdb_test "print/k j" ".*Undefined output format.*"
gdb_test "print/d j" " = 0\[\\r\\n\]+" "debug test output 1"
gdb_test "print/r j" " = 0\[\\r\\n\]+" "debug test output 1a"
gdb_test "print/x j" " = 0x0\[\\r\\n\]+" "debug test output 2"

10
gdb/testsuite/gdb.base/printcmds.exp
View file

@ -587,6 +587,16 @@ proc test_print_int_arrays {} {
" = {{{0, 1}, {2, 3}, {4, 5}}, {{6, 7}, {8, 9}, {10, 11}}}"
gdb_test_escape_braces "p int4dim" \
" = {{{{0, 1}, {2, 3}, {4, 5}}, {{6, 7}, {8, 9}, {10, 11}}}}"
# Some checks for various output formats.
gdb_test_escape_braces "p/x int4dim" \
" = {{{{0x0, 0x1}, {0x2, 0x3}, {0x4, 0x5}}, {{0x6, 0x7}, {0x8, 0x9}, {0xa, 0xb}}}}"
gdb_test_escape_braces "p/z int4dim" \
" = {{{{0x0+0, 0x0+1}, {0x0+2, 0x0+3}, {0x0+4, 0x0+5}}, {{0x0+6, 0x0+7}, {0x0+8, 0x0+9}, {0x0+a, 0x0+b}}}}"
gdb_test_escape_braces "p/o int4dim" \
" = {{{{0, 01}, {02, 03}, {04, 05}}, {{06, 07}, {010, 011}, {012, 013}}}}"
gdb_test_escape_braces "p/t int4dim" \
" = {{{{0, 1}, {10, 11}, {100, 101}}, {{110, 111}, {1000, 1001}, {1010, 1011}}}}"
}
proc test_print_typedef_arrays {} {