From 8d7f06359adf0d3da93acec0f0ded9076f54ebdb Mon Sep 17 00:00:00 2001 From: Anton Kolesov Date: Wed, 6 Jul 2016 20:36:49 +0300 Subject: arc: Add GNU/Linux support for ARC ARC Linux targets differences from baremetal: - No support for hardware single instruction stepping. - Different access rules to registers. - Use of another instruction for breakpoints. v2: Changes after Tom's remarks [1] arc-linux-tdep.c - Use true/false instead of TRUE/FALSE. - arc_linux_sw_breakpoint_from_kind (): Break long lines into two. - arc_linux_sw_breakpoint_from_kind (): Remove starting blank line. - Use explicit number evaluation, e.g: if (a & b) -> if ((a & b) != 0) arc-tdep.c - Use explicit number evaluation, e.g: if (a & b) -> if ((a & b) != 0) gdb/configure.tgt - arc*-*-linux*): Remove "build_gdbserver=yes". v3: Changes after Simon's remarks [2] arc-linux-tdep.c - Use "return trap_size" instead of cryptic "return 2". - Removed unnecessary curly braces. - Removed "void" from "_initialize_arc_linux_tdep (void)". v5: Changes after Simon's remarks [3] - Remove unnecessary empty lines. - Replace "breakpoint uses" with "breakpoints use" in a comment. - "return condition;" i.s.o. "if (condition) return true; else return false;" [1] Tom's remarks https://sourceware.org/pipermail/gdb-patches/2020-April/167887.html [2] Simon's remarks on v2 https://sourceware.org/pipermail/gdb-patches/2020-May/168513.html [3] Simon's remarks on v4 https://sourceware.org/pipermail/gdb-patches/2020-August/170994.html gdb/ChangeLog: 2020-08-25 Anton Kolesov * configure.tgt: ARC support for GNU/Linux. * Makefile.in (ALL_TARGET_OBJS): Likewise. * arc-linux-tdep.c: New file. * arc-tdep.h (ARC_STATUS32_L_MASK, ARC_STATUS32_DE_MASK): Declare. * arc-tdep.c (arc_write_pc): Use it. --- gdb/configure.tgt | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'gdb/configure.tgt') diff --git a/gdb/configure.tgt b/gdb/configure.tgt index 8a26bdeb873..a3e11c4b9b8 100644 --- a/gdb/configure.tgt +++ b/gdb/configure.tgt @@ -157,6 +157,11 @@ arc*-*-elf32) gdb_target_obs="arc-newlib-tdep.o" ;; +arc*-*-linux*) + # Target: ARC machine running Linux + gdb_target_obs="arc-linux-tdep.o linux-tdep.o solib-svr4.o" + ;; + arm*-wince-pe | arm*-*-mingw32ce*) # Target: ARM based machine running Windows CE (win32) gdb_target_obs="arm-wince-tdep.o windows-tdep.o" -- cgit v1.2.1