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varobj zero-padded hexadecimal format

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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
2015-12-09 10:56:27 -02:00
parent ec892a0718
commit 1c35a88f1d
9 changed files with 65 additions and 7 deletions
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5
gdb/varobj.c
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@@ -50,7 +50,7 @@ show_varobjdebug (struct ui_file *file, int from_tty,
/* String representations of gdb's format codes. */
char *varobj_format_string[] =
{ "natural", "binary", "decimal", "hexadecimal", "octal" };
{ "natural", "binary", "decimal", "hexadecimal", "octal", "zero-hexadecimal" };
/* True if we want to allow Python-based pretty-printing. */
static int pretty_printing = 0;
@@ -214,7 +214,7 @@ static struct varobj *varobj_add_child (struct varobj *var,
/* Private data */
/* Mappings of varobj_display_formats enums to gdb's format codes. */
static int format_code[] = { 0, 't', 'd', 'x', 'o' };
static int format_code[] = { 0, 't', 'd', 'x', 'o', 'z' };
/* Header of the list of root variable objects. */
static struct varobj_root *rootlist;
@@ -583,6 +583,7 @@ varobj_set_display_format (struct varobj *var,
case FORMAT_DECIMAL:
case FORMAT_HEXADECIMAL:
case FORMAT_OCTAL:
case FORMAT_ZHEXADECIMAL:
var->format = format;
break;