{"id":3493,"date":"2012-02-06T16:41:52","date_gmt":"2012-02-06T07:41:52","guid":{"rendered":"https:\/\/www.pistolfly.com\/weblog\/?p=3493"},"modified":"2017-07-31T11:45:35","modified_gmt":"2017-07-31T02:45:35","slug":"print-a-pointer-as-an-array-using-gdb","status":"publish","type":"post","link":"https:\/\/www.pistolfly.com\/weblog\/en\/2012\/02\/print-a-pointer-as-an-array-using-gdb.html","title":{"rendered":"Print a pointer as an array using GDB"},"content":{"rendered":"<p>You can print an array using `print` command (p) with GDB, but it is useful to print a pointer such as function parameter as an array using operator @.<br \/>\nOperator @ regards the left operand of @ as the address and prints the data of the left operand as an array for the number equivalent to the right operand.<\/p>\n<pre class=\"command-line\">(gdb) list\r\n34\r\n35\tvoid func(int v[], int len)\r\n36\t{\r\n(gdb) p v[0] @ len\r\n$1 = {4470, 5197, 2482, 1016, 4154, 9986, 8313, 6873, 8517, 5857, 9019, 8002, 349, 9817, 365, 1018, 2269, 9759, 7092, 8674, 4902, 3890, 9746, 7668, 792, 3842, 4053, 6422, 630, 4880, 9996, 7164, 8392, 8469, 2959, 8380, 6533, 1795, 4296, 9964, 8259, 7474, 72, 2948, 3681, 501, 3994, 508, 9544, 941, 8054, 2186, 7418, 8684, 3224, 7322, 3822, 5022, 3085, 8341, 2296, 4073, 1034, 9839, 7067, 1197, 739, 7028, 2809, 6610, 8633, 483, 3017, 9634, 4758, 8101, 7604, 4018, 2174, 5014, 6600, 3754, 2854, 4798, 3921, 2124, 9889, 1147, 2409, 6105, 224, 6973, 5937, 2953, 8614, 9101, 3399, 8431, 2226, 3548}\r\n<\/pre>\n<p>Source: <a href=\"https:\/\/sourceware.org\/gdb\/current\/onlinedocs\/gdb\/Arrays.html#Arrays\" target=\"_blank\">Arrays - Debugging with GDB<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>You can print an array using `print` command (p) with GDB, but it is useful to print a pointer such as functio &hellip; <a href=\"https:\/\/www.pistolfly.com\/weblog\/en\/2012\/02\/print-a-pointer-as-an-array-using-gdb.html\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Print a pointer as an array using GDB<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"en_US","_original_post":"1341","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[53],"tags":[],"class_list":["post-3493","post","type-post","status-publish","format-standard","hentry","category-c","en-US"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Print a pointer as an array using GDB - 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