varobj zero-padded hexadecimal format
This set of patches add support for the zero-padded hexadecimal format for varobj's, defined as "zero-hexadecimal". We currently only support regular non-zero-padded hexadecimal. Talking with IDE developers, they would like to have this option that is already available to GDB's print/x commands, in the CLI, as 'z'. gdb/ChangeLog: 2015-12-09 Luis Machado <lgustavo@codesourcery.com> * gdb/mi/mi-cmd-var.c (mi_parse_format): Handle new "zero-hexadecimal" format. * gdb/varobj.c (varobj_format_string): Add "zero-hexadecimal" entry. (format_code): Add 'z' entry. (varobj_set_display_format): Handle FORMAT_ZHEXADECIMAL. * gdb/varobj.h (varobj_display_formats) <FORMAT_ZHEXADECIMAL>: New enum field. * NEWS: Add new note to MI changes citing the new zero-hexadecimal format for -var-set-format. gdb/doc/ChangeLog: 2015-12-09 Luis Machado <lgustavo@codesourcery.com> * gdb.texinfo (GDB/MI Variable Objects): Update text to mention -var-set-format's new zero-hexadecimal format. gdb/testsuite/ChangeLog: 2015-12-09 Luis Machado <lgustavo@codesourcery.com> * gdb.mi/mi-var-display.exp: Add new checks for the zero-hexadecimal format and change test names to make them unique.
This commit is contained in:
Luis Machado
parent
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1c35a88f1d
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@ -1,3 +1,15 @@
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2015-12-09 Luis Machado <lgustavo@codesourcery.com>
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* gdb/mi/mi-cmd-var.c (mi_parse_format): Handle new "zero-hexadecimal"
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format.
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* gdb/varobj.c (varobj_format_string): Add "zero-hexadecimal" entry.
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(format_code): Add 'z' entry.
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(varobj_set_display_format): Handle FORMAT_ZHEXADECIMAL.
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* gdb/varobj.h (varobj_display_formats) <FORMAT_ZHEXADECIMAL>: New enum
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field.
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* NEWS: Add new note to MI changes citing the new zero-hexadecimal
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format for -var-set-format.
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2015-12-09 Ruslan Kabatsayev <b7.10110111@gmail.com> (tiny patch)
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PR gdb/18702
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6
gdb/NEWS
6
gdb/NEWS
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@ -135,6 +135,12 @@ show remote exec-event-feature-packet
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The reply to qXfer:threads:read may now include a name attribute for each
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thread.
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* MI changes
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** The -var-set-format command now accepts the zero-hexadecimal
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format. It outputs data in hexadecimal format with zero-padding on the
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left.
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*** Changes in GDB 7.10
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* Support for process record-replay and reverse debugging on aarch64*-linux*
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@ -1,3 +1,8 @@
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2015-12-09 Luis Machado <lgustavo@codesourcery.com>
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* gdb.texinfo (GDB/MI Variable Objects): Update text to mention
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-var-set-format's new zero-hexadecimal format.
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2015-12-08 Pierre-Marie de Rodat <derodat@adacore.com>
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* gdb.texinfo (Ada Mode Into): Move overloading support
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@ -28980,13 +28980,18 @@ The syntax for the @var{format-spec} is as follows:
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@smallexample
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@var{format-spec} @expansion{}
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@{binary | decimal | hexadecimal | octal | natural@}
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@{binary | decimal | hexadecimal | octal | natural | zero-hexadecimal@}
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@end smallexample
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The natural format is the default format choosen automatically
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based on the variable type (like decimal for an @code{int}, hex
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for pointers, etc.).
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The zero-hexadecimal format has a representation similar to hexadecimal
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but with padding zeroes to the left of the value. For example, a 32-bit
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hexadecimal value of 0x1234 would be represented as 0x00001234 in the
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zero-hexadecimal format.
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For a variable with children, the format is set only on the
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variable itself, and the children are not affected.
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@ -233,10 +233,12 @@ mi_parse_format (const char *arg)
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return FORMAT_HEXADECIMAL;
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else if (strncmp (arg, "octal", len) == 0)
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return FORMAT_OCTAL;
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else if (strncmp (arg, "zero-hexadecimal", len) == 0)
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return FORMAT_ZHEXADECIMAL;
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}
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error (_("Must specify the format as: \"natural\", "
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"\"binary\", \"decimal\", \"hexadecimal\", or \"octal\""));
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"\"binary\", \"decimal\", \"hexadecimal\", \"octal\" or \"zero-hexadecimal\""));
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}
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void
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@ -1,3 +1,8 @@
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2015-12-09 Luis Machado <lgustavo@codesourcery.com>
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* gdb.mi/mi-var-display.exp: Add new checks for the zero-hexadecimal
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format and change test names to make them unique.
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2015-12-09 Ruslan Kabatsayev <b7.10110111@gmail.com>
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Pedro Alves <pedro@redhat.com>
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@ -81,6 +81,11 @@ mi_gdb_test "-var-evaluate-expression bar" \
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"eval variable bar"
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# Test: c_variable-6.5
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# Desc: change format of bar to zero-padded hexadecimal
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mi_gdb_test "-var-set-format bar zero-hexadecimal" \
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"\\^done,format=\"zero-hexadecimal\",value=\"0x0.*849\"" \
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"set format variable bar in zero-padded hexadecimal"
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# Desc: change format of bar to hex
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mi_gdb_test "-var-set-format bar hexadecimal" \
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"\\^done,format=\"hexadecimal\",value=\"0x849\"" \
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@ -241,7 +246,7 @@ mi_gdb_test "-var-set-format weird.func_ptr hexadecimal" \
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mi_gdb_test "-var-show-format weird.func_ptr" \
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"\\^done,format=\"hexadecimal\"" \
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"show format variable weird.func_ptr"
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"show format variable weird.func_ptr (hex)"
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mi_gdb_test "-var-set-format weird.func_ptr_ptr hexadecimal" \
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"\\^done,format=\"hexadecimal\",value=\"$hex\"" \
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@ -249,7 +254,23 @@ mi_gdb_test "-var-set-format weird.func_ptr_ptr hexadecimal" \
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mi_gdb_test "-var-show-format weird.func_ptr_ptr" \
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"\\^done,format=\"hexadecimal\"" \
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"show format variable weird.func_ptr_ptr"
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"show format variable weird.func_ptr_ptr (hex)"
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mi_gdb_test "-var-set-format weird.func_ptr zero-hexadecimal" \
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"\\^done,format=\"zero-hexadecimal\",value=\"$hex\"" \
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"set format variable weird.func_ptr in zero-padded hex"
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mi_gdb_test "-var-show-format weird.func_ptr" \
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"\\^done,format=\"zero-hexadecimal\"" \
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"show format variable weird.func_ptr (zhex)"
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mi_gdb_test "-var-set-format weird.func_ptr_ptr zero-hexadecimal" \
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"\\^done,format=\"zero-hexadecimal\",value=\"$hex\"" \
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"set format variable weird.func_ptr_ptr in zero-padded hex"
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mi_gdb_test "-var-show-format weird.func_ptr_ptr" \
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"\\^done,format=\"zero-hexadecimal\"" \
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"show format variable weird.func_ptr_ptr (zhex)"
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# Test: c_variable-6.24
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# Desc: format of weird and children
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@ -50,7 +50,7 @@ show_varobjdebug (struct ui_file *file, int from_tty,
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/* String representations of gdb's format codes. */
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char *varobj_format_string[] =
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{ "natural", "binary", "decimal", "hexadecimal", "octal" };
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{ "natural", "binary", "decimal", "hexadecimal", "octal", "zero-hexadecimal" };
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/* True if we want to allow Python-based pretty-printing. */
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static int pretty_printing = 0;
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@ -214,7 +214,7 @@ static struct varobj *varobj_add_child (struct varobj *var,
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/* Private data */
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/* Mappings of varobj_display_formats enums to gdb's format codes. */
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static int format_code[] = { 0, 't', 'd', 'x', 'o' };
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static int format_code[] = { 0, 't', 'd', 'x', 'o', 'z' };
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/* Header of the list of root variable objects. */
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static struct varobj_root *rootlist;
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@ -583,6 +583,7 @@ varobj_set_display_format (struct varobj *var,
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case FORMAT_DECIMAL:
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case FORMAT_HEXADECIMAL:
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case FORMAT_OCTAL:
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case FORMAT_ZHEXADECIMAL:
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var->format = format;
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break;
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@ -28,7 +28,8 @@ enum varobj_display_formats
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FORMAT_BINARY, /* Binary display */
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FORMAT_DECIMAL, /* Decimal display */
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FORMAT_HEXADECIMAL, /* Hex display */
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FORMAT_OCTAL /* Octal display */
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FORMAT_OCTAL, /* Octal display */
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FORMAT_ZHEXADECIMAL /* Zero padded hexadecimal */
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};
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enum varobj_type
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