Merge pull request #1 from palmer-dabbelt/native

Make GDB compile in native mode

Author: vapier

gdb/config/riscv/linux.mh

@@ -21,7 +21,8 @@
 NAT_FILE= config/nm-linux.h
 NATDEPFILES= inf-ptrace.o fork-child.o riscv-linux-nat.o \
 	proc-service.o linux-thread-db.o linux-nat.o linux-fork.o \
-	linux-procfs.o linux-ptrace.o linux-osdata.o linux-waitpid.o
+	linux-procfs.o linux-ptrace.o linux-osdata.o linux-waitpid.o \
+	linux-namespaces.o linux-personality.o
 NAT_CDEPS = $(srcdir)/proc-service.list
 
 # The dynamically loaded libthread_db needs access to symbols in the

gdb/configure.host

@@ -64,6 +64,7 @@ m68*)			gdb_host_cpu=m68k ;;
 m88*)			gdb_host_cpu=m88k ;;
 mips*)			gdb_host_cpu=mips ;;
 powerpc* | rs6000)	gdb_host_cpu=powerpc ;;
+riscv*)                 gdb_host_cpu=riscv ;;
 sparcv9 | sparc64)	gdb_host_cpu=sparc ;;
 s390*)			gdb_host_cpu=s390 ;;
 sh*)			gdb_host_cpu=sh ;;
@@ -147,6 +148,8 @@ powerpc64*-*-linux*)	gdb_host=ppc64-linux
 			;;
 powerpc*-*-linux*)	gdb_host=linux ;;
 
+riscv*-linux*)          gdb_host=linux ;;
+
 s390*-*-linux*)		gdb_host=linux ;;
 
 sh*-*-netbsdelf* | sh*-*-knetbsd*-gnu)

gdb/riscv-linux-tdep.c

@@ -60,10 +60,13 @@ riscv_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   linux_init_abi (info, gdbarch);
 
   /* GNU/Linux uses SVR4-style shared libraries.  */
+  /* FIXME: This '0' should actually be a check to see if we're on
+     rv32, but I can't figure out how to hook that up (it's in
+     gdbarch_tdep, which we don't have here). */
   set_solib_svr4_fetch_link_map_offsets
-    (gdbarch, (IS_RV32I (riscv_abi (gdbarch)) ?
+    (gdbarch, (0) ?
       svr4_ilp32_fetch_link_map_offsets :
-      svr4_lp64_fetch_link_map_offsets));
+      svr4_lp64_fetch_link_map_offsets);
 
   set_gdbarch_iterate_over_regset_sections
     (gdbarch, riscv_linux_iterate_over_regset_sections);

gdb/riscv-tdep.c

@@ -158,12 +158,6 @@ static const struct register_alias riscv_register_aliases[] =
   { "ft11", 64 },
 };
 
-static inline int
-riscv_isa_regsize (struct gdbarch *gdbarch)
-{
-  return gdbarch_tdep (gdbarch)->register_size;
-}
-
 static const gdb_byte *
 riscv_breakpoint_from_pc (struct gdbarch *gdbarch,
 			  CORE_ADDR      *bp_addr,
@@ -1163,7 +1157,7 @@ riscv_gdbarch_init (struct gdbarch_info  info,
       tdesc_data = tdesc_data_alloc ();
 
       valid_p = 1;
-      for (i = RISCV_ZERO_REGNUM; i <= RISCV_LAST_REGNUM; ++i)
+      for (i = RISCV_ZERO_REGNUM; i < RISCV_LAST_REGNUM; ++i)
 	valid_p &= tdesc_numbered_register (feature, tdesc_data, i, riscv_gdb_reg_names[i]);
 
       if (!valid_p)

gdb/riscv-tdep.h

@@ -90,4 +90,10 @@ struct gdbarch_tdep
   int register_size;
 };
 
+static inline int
+riscv_isa_regsize (struct gdbarch *gdbarch)
+{
+  return gdbarch_tdep (gdbarch)->register_size;
+}
+
 #endif /* RISCV_TDEP_H */