diff options
Diffstat (limited to 'sysdeps/generic')
| -rw-r--r-- | sysdeps/generic/dl-sysdep.c | 3 | ||||
| -rw-r--r-- | sysdeps/generic/machine-gmon.h | 44 | ||||
| -rw-r--r-- | sysdeps/generic/sys/ptrace.h | 138 |
3 files changed, 184 insertions, 1 deletions
diff --git a/sysdeps/generic/dl-sysdep.c b/sysdeps/generic/dl-sysdep.c index 5337ed6936..546993dbd1 100644 --- a/sysdeps/generic/dl-sysdep.c +++ b/sysdeps/generic/dl-sysdep.c @@ -1,5 +1,5 @@ /* Operating system support for run-time dynamic linker. Generic Unix version. -Copyright (C) 1995 Free Software Foundation, Inc. +Copyright (C) 1995, 96 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -27,6 +27,7 @@ extern int _dl_argc; extern char **_dl_argv; extern char **_environ; extern void _start (void); +extern int _dl_secure; Elf32_Addr _dl_sysdep_start (void **start_argptr, diff --git a/sysdeps/generic/machine-gmon.h b/sysdeps/generic/machine-gmon.h new file mode 100644 index 0000000000..24101f34f0 --- /dev/null +++ b/sysdeps/generic/machine-gmon.h @@ -0,0 +1,44 @@ +/* Machine-dependent definitions for profiling support. Generic GCC 2 version. +Copyright (C) 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +/* GCC version 2 gives us a perfect magical function to get + just the information we need: + void *__builtin_return_address (unsigned int N) + returns the return address of the frame N frames up. */ + +#if __GNUC__ < 2 + #error "This file uses __builtin_return_address, a GCC 2 extension." +#endif + +#include <sysdep.h> +#ifndef NO_UNDERSCORES +/* The asm symbols for C functions are `_function'. + The canonical name for the counter function is `mcount', no _. */ +void _mcount (void) asm ("mcount"); +#endif + +#define _MCOUNT_DECL(frompc, selfpc) \ +static inline void mcount_internal (frompc, selfpc) + +#define MCOUNT \ +void _mcount (void) \ +{ \ + mcount_internal ((u_long) __builtin_return_address (0), \ + (u_long) __builtin_return_address (1)); \ +} diff --git a/sysdeps/generic/sys/ptrace.h b/sysdeps/generic/sys/ptrace.h new file mode 100644 index 0000000000..a342e62d64 --- /dev/null +++ b/sysdeps/generic/sys/ptrace.h @@ -0,0 +1,138 @@ +/* `ptrace' debugger support interface. Generic version; constants are common. +Copyright (C) 1991, 1992 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +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, 1992 Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#ifndef _PTRACE_H + +#define _PTRACE_H 1 +#include <features.h> + +__BEGIN_DECLS + + +/* Type of the REQUEST argument to `ptrace.' */ +enum __ptrace_request +{ + /* Indicate that the process making this request should be traced. + All signals received by this process can be intercepted by its + parent, and its parent can use the other `ptrace' requests. */ + PTRACE_TRACEME = 0, +#define PT_TRACE_ME PTRACE_TRACEME + + /* Return the word in the process's text space at address ADDR. */ + PTRACE_PEEKTEXT, +#define PT_READ_I PTRACE_PEEKTEXT + + /* Return the word in the process's data space at address ADDR. */ + PTRACE_PEEKDATA, +#define PT_READ_D PTRACE_PEEKDATA + + /* Return the word in the process's user area at offset ADDR. */ + PTRACE_PEEKUSER, +#define PT_READ_U PTRACE_PEEKUSER + + /* Write the word DATA into the process's text space at address ADDR. */ + PTRACE_POKETEXT, +#define PT_WRITE_I PTRACE_POKETEXT + + /* Write the word DATA into the process's data space at address ADDR. */ + PTRACE_POKEDATA, +#define PT_WRITE_D PTRACE_POKEDATA + + /* Write the word DATA into the process's user space at offset ADDR. */ + PTRACE_POKEUSER, +#define PT_WRITE_U PTRACE_POKEUSER + + /* Continue the process. */ + PTRACE_CONT, +#define PT_CONTINUE PTRACE_CONT + + /* Kill the process. */ + PTRACE_KILL, +#define PT_KILL PTRACE_KILL + + /* Single step the process. + This is not supported on all machines. */ + PTRACE_SINGLESTEP, +#define PT_STEP PTRACE_SINGLESTEP + + /* Attach to a process that is already running. */ + PTRACE_ATTACH, +#define PT_ATTACH PTRACE_ATTACH + + /* Detach from a process attached to with PTRACE_ATTACH. */ + PTRACE_DETACH, +#define PT_DETACH PTRACE_DETACH + + /* Get the process's registers (not including floating-point registers) + and put them in the `struct regs' (see <machine/regs.h>) at ADDR. */ + PTRACE_GETREGS = 12, + + /* Set the process's registers (not including floating-point registers) + to the contents of the `struct regs' (see <machine/regs.h>) at ADDR. */ + PTRACE_SETREGS, + + /* Get the process's floating point registers and put them + in the `struct fp_status' (see <machine/regs.h>) at ADDR. */ + PTRACE_GETFPREGS = 14, + + /* Set the process's floating point registers to the contents + of the `struct fp_status' (see <machine/regs.h>) at ADDR. */ + PTRACE_SETFPREGS, + + /* Read DATA bytes from the process's data space at address ADDR. + Put the result starting at address ADDR2 in the caller's + address space. */ + PTRACE_READDATA = 16, + + /* Write DATA bytes from ADDR2 in the caller's address space into + the process's data space at address ADDR. */ + PTRACE_WRITEDATA, + + /* Read DATA bytes from the process's text space at address ADDR. + Put the result starting at address ADDR2 in the caller's + address space. */ + PTRACE_READTEXT = 18, + + /* Write DATA bytes from ADDR2 in the caller's address space into + the process's text space at address ADDR. */ + PTRACE_WRITETEXT, + + /* Read the floating-point accelerator unit registers and + put them into the `struct fpa_regs' (see <machine/regs.h>) at ADDR. */ + PTRACE_GETFPAREGS = 20, + + /* Write the floating-point accelerator unit registers from + the contents of the `struct fpa_regs' at ADDR. */ + PTRACE_SETFPAREGS, +}; + +/* Perform process tracing functions. REQUEST is one of the values + above, and determines the action to be taken. + For all requests except PTRACE_TRACEME, PID specifies the process to be + traced. + + PID and the other arguments described above for the various requests should + appear (those that are used for the particular request) as: + pid_t PID, void *ADDR, int DATA, void *ADDR2 + after REQUEST. */ +extern int ptrace __P ((enum __ptrace_request __request __DOTS)); + +__END_DECLS + +#endif /* ptrace.h */ |