diff options
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/sparc/Makefile | 4 | ||||
-rw-r--r-- | sysdeps/sparc/machine-gmon.h | 33 | ||||
-rw-r--r-- | sysdeps/sparc/sparc-mcount.S | 29 | ||||
-rw-r--r-- | sysdeps/sparc/sparc64/backtrace.c | 58 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h | 3 |
5 files changed, 127 insertions, 0 deletions
diff --git a/sysdeps/sparc/Makefile b/sysdeps/sparc/Makefile index 40323a0643..9fa5324b41 100644 --- a/sysdeps/sparc/Makefile +++ b/sysdeps/sparc/Makefile @@ -1,6 +1,10 @@ # The Sparc `long double' is a distinct type we support. long-double-fcts = yes +ifeq ($(subdir),gmon) +sysdep_routines += sparc-mcount +endif + ifeq ($(subdir),db2) CPPFLAGS += -DHAVE_SPINLOCKS=1 -DHAVE_ASSEM_SPARC_GCC=1 endif diff --git a/sysdeps/sparc/machine-gmon.h b/sysdeps/sparc/machine-gmon.h new file mode 100644 index 0000000000..296c5ff4d2 --- /dev/null +++ b/sysdeps/sparc/machine-gmon.h @@ -0,0 +1,33 @@ +/* sparc-specific implementation of profiling support. + Copyright (C) 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller <davem@davemloft.net>, 2008 + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> + +/* We must not pollute the global namespace. */ +#define mcount_internal __mcount_internal + +extern void mcount_internal (u_long frompc, u_long selfpc) internal_function; + +#define _MCOUNT_DECL(frompc, selfpc) \ +void internal_function mcount_internal (u_long frompc, u_long selfpc) + +/* Define MCOUNT as empty since we have the implementation in another + file. */ +#define MCOUNT diff --git a/sysdeps/sparc/sparc-mcount.S b/sysdeps/sparc/sparc-mcount.S new file mode 100644 index 0000000000..573b08f51c --- /dev/null +++ b/sysdeps/sparc/sparc-mcount.S @@ -0,0 +1,29 @@ +/* sparc-specific implemetation of profiling support. + Copyright (C) 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller <davem@davemloft.net>, 2008. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> + +ENTRY(_mcount) + mov %i7, %o0 + ba __mcount_internal + mov %o7, %o1 +END(_mcount) + +weak_alias (_mcount, mcount) diff --git a/sysdeps/sparc/sparc64/backtrace.c b/sysdeps/sparc/sparc64/backtrace.c new file mode 100644 index 0000000000..6d7e429e2e --- /dev/null +++ b/sysdeps/sparc/sparc64/backtrace.c @@ -0,0 +1,58 @@ +/* Return backtrace of current program state. + Copyright (C) 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller <davem@davemloft.net> + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <execinfo.h> +#include <stddef.h> +#include <bp-checks.h> +#include <sysdep.h> + +struct layout +{ + unsigned long locals[8]; + unsigned long ins[6]; + unsigned long next; + void *__unbounded return_address; +}; + +int +__backtrace (void **array, int size) +{ + struct layout *current; + unsigned long fp; + int count; + + asm volatile ("flushw"); + asm volatile ("mov %%fp, %0" : "=r"(fp)); + current = (struct layout *__unbounded) (fp + STACK_BIAS); + current = BOUNDED_1 (current); + + for (count = 0; count < size; count++) + { + array[count] = current->return_address; + if (!current->next) + break; + current = (struct layout *__unbounded) (current->next + STACK_BIAS); + current = BOUNDED_1 (current); + } + + return count; +} +weak_alias (__backtrace, backtrace) +libc_hidden_def (__backtrace) diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h b/sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h index 2c2770d071..59656978b8 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h @@ -20,6 +20,9 @@ #define SIGCONTEXT struct sigcontext * #define SIGCONTEXT_EXTRA_ARGS #define GET_PC(__ctx) ((void *) ((__ctx)->si_regs.pc)) +#define FIRST_FRAME_POINTER \ + ({ void *ret; \ + asm volatile ("ta 3; add %%fp, 56, %0" : "=r" (ret)); ret; }) #define ADVANCE_STACK_FRAME(__next) \ ((void *) (((unsigned *)(__next))+14)) |