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Levin" , Luke Diamand Subject: [PATCHv2 2/2] eu-stack: add support for sysroot option Thread-Topic: [PATCHv2 2/2] eu-stack: add support for sysroot option Thread-Index: AQHUsjuIghd4zlb7xEiVo1nhd9eAnQ== Date: Tue, 22 Jan 2019 10:16:00 -0000 Message-ID: <20190122101610.5301-3-ldiamand@roku.com> References: <20190122101610.5301-1-ldiamand@roku.com> In-Reply-To: <20190122101610.5301-1-ldiamand@roku.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: LO2P265CA0380.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:a3::32) To BN7PR01MB3953.prod.exchangelabs.com (2603:10b6:406:91::30) authentication-results: spf=none (sender IP is ) smtp.mailfrom=ldiamand@roku.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.20.1 x-originating-ip: [81.145.207.254] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;BN7PR01MB3939;6:cM6mC6QP8cemnIWZfi1OYMffjrHE50X6wE1NTkS6+VRFJJpFQqGZjFGDbayw5spKguDBYnGvkqmxGZtUO6bYas2yv+Fzr3DPBkmDnBpe717i0k6AFPqhkv5Ta402eW8akmw3690vuX9O0fQOjjIVscLMKmI2s2aG0+j9jvVZOTc/rJShbv8T+pGxi2KqO9eeJVBbZ03wFXPWkg1eVJyz66jRtHAQFNF5vcryTxa7gFpiJoaLWz84Ajn5U4obOTcsOQ2iNMAO4+pMqsvr6PNpmdoD+7eIdDY98wkgVeOyA5rKJMuaafJreLCR3n9H6hnSaj01ZeS45ruw1MCnKeeicnOIez+u4QfWx8Igj7Ts3OSqAHrdR3nlCk0npC6kxM2laBlwclkPbqSw8vuMHJiyLyQCXczIk62/3XNFhrdaYphn8zRX4WaZTaioAj6gcMVCdrvCheXIHLmtbbT2mFlrww==;5:EzYGh11mtaxu5yP7dfQkDRfdzIBckTZ0smkxcaHpnEP7epf6XNaAdvwrTgXIHC09CAKgk0tvuZZPocnZsvHqZEzpM+iopJC558s4Vt/R4I0hH5iIGLkZSWUW24S0vzsu6z0HvN4rcms9sRdoNe+/YD1VC0JdULdAqc7DL+ktWYd/Vy6xsmImiiHLLDJWrnk5WM87SSLQsTF1XydljezSrw==;7:XYyjGRRsNLYT4TZetXlVGFxB08bzyulb5Hg4xO+VrR0hwuoKlrx7MfSCygycdHqBItn0Uw0viMcAmfJw0ISI1m2T9gcskS/Hd6A2Yv8+AlsOsfhhBViQjcRpG6GlYkM0LECODlchNz9tj6EZaXh+kQ== x-ms-office365-filtering-correlation-id: a2f4e828-f06d-40a9-7ba1-08d68052aaba x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600109)(711020)(2017052603328)(7153060)(7193020);SRVR:BN7PR01MB3939; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: roku.com X-MS-Exchange-CrossTenant-Network-Message-Id: a2f4e828-f06d-40a9-7ba1-08d68052aaba X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Jan 2019 10:16:25.4211 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 00fc7e42-ad65-4c4c-ab54-848ba124a5b7 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PR01MB3939 X-IsSubscribed: yes X-SW-Source: 2019-q1/txt/msg00079.txt.bz2 Use the dwfl_set_sysroot() function to set the sysroot to be used when analysing a core: e.g. $ eu-stack --core core --sysroot /path/to/sysroot -e crashing_prog Signed-off-by: Luke Diamand --- src/stack.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/stack.c b/src/stack.c index c5f347e1..5a58cc1b 100644 --- a/src/stack.c +++ b/src/stack.c @@ -73,6 +73,7 @@ static int core_fd =3D -1; static Elf *core =3D NULL; static const char *exec =3D NULL; static char *debuginfo_path =3D NULL; +static const char *sysroot =3D NULL; =20 static const Dwfl_Callbacks proc_callbacks =3D { @@ -554,6 +555,10 @@ parse_opt (int key, char *arg __attribute__ ((unused)), show_modules =3D true; break; =20 + case 'S': + sysroot =3D arg; + break; + case ARGP_KEY_END: if (core =3D=3D NULL && exec !=3D NULL) argp_error (state, @@ -587,6 +592,8 @@ parse_opt (int key, char *arg __attribute__ ((unused)), dwfl =3D dwfl_begin (&core_callbacks); if (dwfl =3D=3D NULL) error (EXIT_BAD, 0, "dwfl_begin: %s", dwfl_errmsg (-1)); + if (sysroot) + dwfl_set_sysroot(dwfl, sysroot); if (dwfl_core_file_report (dwfl, core, exec) < 0) error (EXIT_BAD, 0, "dwfl_core_file_report: %s", dwfl_errmsg (-1)); } @@ -670,6 +677,8 @@ main (int argc, char **argv) N_("Show at most MAXFRAMES per thread (default 256, use 0 for unlimited)"= ), 0 }, { "list-modules", 'l', NULL, 0, N_("Show module memory map with build-id, elf and debug files detected"),= 0 }, + { "sysroot", 'S', "sysroot", 0, + N_("Set the sysroot to search for libraries referenced from the core file= "), 0 }, { NULL, 0, NULL, 0, NULL, 0 } }; =20 --=20 2.20.1