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s/Linux/.../
Fix PR gdb/378.
This commit is contained in:
Andrew Cagney
parent
a4b6fc86fa
commit
ca557f44a0
@ -4,6 +4,9 @@
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with either ``GNU/Linux'' or ``Linux kernel''. Update copyright.
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* m68klinux-nat.c, sparc-linux-nat.c, x86-64-linux-nat.c: Ditto.
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* x86-64-linux-tdep.c, gregset.h, gdb_wait.h: Ditto.
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* ia64-linux-nat.c, infrun.c, linux-proc.c: Ditto.
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* proc-service.c, i386-linux-tdep.c, ppc-linux-tdep.c: Ditto.
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* s390-tdep.c: Ditto.
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Fix PR gdb/378.
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2002-02-23 Andrew Cagney <ac131313@redhat.com>
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@ -1,5 +1,6 @@
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/* Target-dependent code for Linux running on i386's, for GDB.
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Copyright 2000, 2001 Free Software Foundation, Inc.
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/* Target-dependent code for GNU/Linux running on i386's, for GDB.
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Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -67,12 +68,12 @@ i386_linux_register_raw_size (int reg)
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/* Recognizing signal handler frames. */
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/* Linux has two flavors of signals. Normal signal handlers, and
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/* GNU/Linux has two flavors of signals. Normal signal handlers, and
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"realtime" (RT) signals. The RT signals can provide additional
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information to the signal handler if the SA_SIGINFO flag is set
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when establishing a signal handler using `sigaction'. It is not
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unlikely that future versions of Linux will support SA_SIGINFO for
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normal signals too. */
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unlikely that future versions of GNU/Linux will support SA_SIGINFO
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for normal signals too. */
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/* When the i386 Linux kernel calls a signal handler and the
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SA_RESTORER flag isn't set, the return address points to a bit of
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@ -221,7 +222,7 @@ i386_linux_rt_sigtramp_start (CORE_ADDR pc)
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return pc;
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}
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/* Return whether PC is in a Linux sigtramp routine. */
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/* Return whether PC is in a GNU/Linux sigtramp routine. */
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int
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i386_linux_in_sigtramp (CORE_ADDR pc, char *name)
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@ -233,8 +234,8 @@ i386_linux_in_sigtramp (CORE_ADDR pc, char *name)
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|| i386_linux_rt_sigtramp_start (pc) != 0);
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}
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/* Assuming FRAME is for a Linux sigtramp routine, return the address
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of the associated sigcontext structure. */
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/* Assuming FRAME is for a GNU/Linux sigtramp routine, return the
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address of the associated sigcontext structure. */
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CORE_ADDR
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i386_linux_sigcontext_addr (struct frame_info *frame)
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@ -285,8 +286,8 @@ i386_linux_sigcontext_addr (struct frame_info *frame)
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/* Offset to saved PC in sigcontext, from <asm/sigcontext.h>. */
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#define LINUX_SIGCONTEXT_PC_OFFSET (56)
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/* Assuming FRAME is for a Linux sigtramp routine, return the saved
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program counter. */
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/* Assuming FRAME is for a GNU/Linux sigtramp routine, return the
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saved program counter. */
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static CORE_ADDR
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i386_linux_sigtramp_saved_pc (struct frame_info *frame)
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@ -299,8 +300,8 @@ i386_linux_sigtramp_saved_pc (struct frame_info *frame)
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/* Offset to saved SP in sigcontext, from <asm/sigcontext.h>. */
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#define LINUX_SIGCONTEXT_SP_OFFSET (28)
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/* Assuming FRAME is for a Linux sigtramp routine, return the saved
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stack pointer. */
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/* Assuming FRAME is for a GNU/Linux sigtramp routine, return the
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saved stack pointer. */
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static CORE_ADDR
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i386_linux_sigtramp_saved_sp (struct frame_info *frame)
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@ -448,7 +449,7 @@ skip_hurd_resolver (CORE_ADDR pc)
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It's kind of gross to do all these checks every time we're
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called, since they don't change once the executable has gotten
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started. But this is only a temporary hack --- upcoming versions
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of Linux will provide a portable, efficient interface for
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of GNU/Linux will provide a portable, efficient interface for
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debugging programs that use shared libraries. */
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struct objfile *objfile;
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@ -488,11 +489,12 @@ i386_linux_skip_solib_resolver (CORE_ADDR pc)
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}
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/* Fetch (and possibly build) an appropriate link_map_offsets
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structure for native Linux/x86 targets using the struct offsets
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structure for native GNU/Linux x86 targets using the struct offsets
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defined in link.h (but without actual reference to that file).
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This makes it possible to access Linux/x86 shared libraries from a
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GDB that was not built on an Linux/x86 host (for cross debugging). */
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This makes it possible to access GNU/Linux x86 shared libraries
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from a GDB that was not built on an GNU/Linux x86 host (for cross
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debugging). */
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struct link_map_offsets *
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i386_linux_svr4_fetch_link_map_offsets (void)
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@ -1,6 +1,7 @@
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/* Intel 386 native support for SYSV systems (pre-SVR4).
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Copyright 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999,
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2000 Free Software Foundation, Inc.
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Copyright 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
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1999, 2000, 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -46,12 +47,11 @@
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#include <fcntl.h>
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/* FIXME: The following used to be just "#include <sys/debugreg.h>", but
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* the the Linux 2.1.x kernel and glibc 2.0.x are not in sync; including
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* <sys/debugreg.h> will result in an error. With luck, these losers
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* will get their act together and we can trash this hack in the near future.
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* --jsm 1998-10-21
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*/
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/* FIXME: 1998-10-21/jsm: The following used to be just "#include
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<sys/debugreg.h>", but the the Linux kernel (version 2.1.x) and
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glibc 2.0.x are not in sync; including <sys/debugreg.h> will result
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in an error. With luck, these losers will get their act together
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and we can trash this hack in the near future. */
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#ifdef TARGET_HAS_HARDWARE_WATCHPOINTS
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#ifdef HAVE_ASM_DEBUGREG_H
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@ -1,5 +1,7 @@
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/* Functions specific to running gdb native on IA-64 running Linux.
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Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
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/* Functions specific to running gdb native on IA-64 running
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GNU/Linux.
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Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -1,6 +1,6 @@
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/* Target-dependent code for the IA-64 for GDB, the GNU debugger.
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Copyright 1999, 2000, 2001
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Free Software Foundation, Inc.
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Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -1990,7 +1990,7 @@ ia64_pop_frame_regular (struct frame_info *frame)
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size of the frame and the size of the locals (both wrt the
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frame that we're going back to). This seems kind of strange,
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especially since it seems like we ought to be subtracting the
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size of the locals... and we should; but the linux kernel
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size of the locals... and we should; but the Linux kernel
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wants bsp to be set at the end of all used registers. It's
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likely that this code will need to be revised to accomodate
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other operating systems. */
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@ -2072,10 +2072,11 @@ ia64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
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{
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os_ident = elf_elfheader (info.abfd)->e_ident[EI_OSABI];
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/* If os_ident is 0, it is not necessarily the case that we're on a
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SYSV system. (ELFOSABI_NONE is defined to be 0.) GNU/Linux uses
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a note section to record OS/ABI info, but leaves e_ident[EI_OSABI]
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zero. So we have to check for note sections too. */
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/* If os_ident is 0, it is not necessarily the case that we're
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on a SYSV system. (ELFOSABI_NONE is defined to be 0.)
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GNU/Linux uses a note section to record OS/ABI info, but
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leaves e_ident[EI_OSABI] zero. So we have to check for note
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sections too. */
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if (os_ident == 0)
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{
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bfd_map_over_sections (info.abfd,
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@ -2112,12 +2113,13 @@ ia64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
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else
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tdep->sigcontext_register_address = 0;
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/* We know that Linux won't have to resort to the native_find_global_pointer
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hackery. But that's the only one we know about so far, so if
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native_find_global_pointer is set to something non-zero, then use
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it. Otherwise fall back to using generic_elf_find_global_pointer.
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This arrangement should (in theory) allow us to cross debug Linux
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binaries from an AIX machine. */
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/* We know that GNU/Linux won't have to resort to the
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native_find_global_pointer hackery. But that's the only one we
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know about so far, so if native_find_global_pointer is set to
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something non-zero, then use it. Otherwise fall back to using
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generic_elf_find_global_pointer. This arrangement should (in
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theory) allow us to cross debug GNU/Linux binaries from an AIX
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machine. */
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if (os_ident == ELFOSABI_LINUX)
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tdep->find_global_pointer = generic_elf_find_global_pointer;
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else if (native_find_global_pointer != 0)
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15
gdb/infrun.c
15
gdb/infrun.c
@ -1,4 +1,5 @@
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/* Target-struct-independent code to start (run) and stop an inferior process.
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/* Target-struct-independent code to start (run) and stop an inferior
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process.
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Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
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1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software
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@ -142,12 +143,12 @@ static int may_follow_exec = MAY_FOLLOW_EXEC;
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The simple approach is to single-step until control leaves the
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dynamic linker.
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However, on some systems (e.g., Red Hat Linux 5.2) the dynamic
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linker calls functions in the shared C library, so you can't tell
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from the PC alone whether the dynamic linker is still running. In
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this case, we use a step-resume breakpoint to get us past the
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dynamic linker, as if we were using "next" to step over a function
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call.
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However, on some systems (e.g., Red Hat's 5.2 distribution) the
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dynamic linker calls functions in the shared C library, so you
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can't tell from the PC alone whether the dynamic linker is still
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running. In this case, we use a step-resume breakpoint to get us
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past the dynamic linker, as if we were using "next" to step over a
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function call.
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IN_SOLIB_DYNSYM_RESOLVE_CODE says whether we're in the dynamic
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linker code or not. Normally, this means we single-step. However,
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@ -1,4 +1,5 @@
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/* Linux-specific methods for using the /proc file system.
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/* GNU/Linux specific methods for using the /proc file system.
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Copyright 2001, 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -1,7 +1,7 @@
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/* Target-dependent code for GDB, the GNU debugger.
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Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
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2000, 2001 Free Software Foundation, Inc.
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Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996,
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1997, 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -36,7 +36,7 @@
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#include "ppc-tdep.h"
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/* The following two instructions are used in the signal trampoline
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code on linux/ppc */
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code on GNU/Linux PPC. */
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#define INSTR_LI_R0_0x7777 0x38007777
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#define INSTR_SC 0x44000002
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@ -105,11 +105,11 @@ static int ppc_linux_at_sigtramp_return_path (CORE_ADDR pc);
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/* Determine if pc is in a signal trampoline...
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Ha! That's not what this does at all. wait_for_inferior in infrun.c
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calls IN_SIGTRAMP in order to detect entry into a signal trampoline
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just after delivery of a signal. But on linux, signal trampolines
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are used for the return path only. The kernel sets things up so that
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the signal handler is called directly.
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Ha! That's not what this does at all. wait_for_inferior in
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infrun.c calls IN_SIGTRAMP in order to detect entry into a signal
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trampoline just after delivery of a signal. But on GNU/Linux,
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signal trampolines are used for the return path only. The kernel
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sets things up so that the signal handler is called directly.
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If we use in_sigtramp2() in place of in_sigtramp() (see below)
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we'll (often) end up with stop_pc in the trampoline and prev_pc in
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@ -773,11 +773,12 @@ ppc_linux_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
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}
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/* Fetch (and possibly build) an appropriate link_map_offsets
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structure for Linux/PPC targets using the struct offsets
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structure for GNU/Linux PPC targets using the struct offsets
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defined in link.h (but without actual reference to that file).
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This makes it possible to access Linux/PPC shared libraries from a
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GDB that was not built on an Linux/PPC host (for cross debugging). */
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This makes it possible to access GNU/Linux PPC shared libraries
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from a GDB that was not built on an GNU/Linux PPC host (for cross
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debugging). */
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struct link_map_offsets *
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ppc_linux_svr4_fetch_link_map_offsets (void)
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@ -1,5 +1,6 @@
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/* <proc_service.h> implementation.
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Copyright 1999, 2000 Free Software Foundation, Inc.
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Copyright 1999, 2000, 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -294,8 +295,8 @@ ps_lsetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid,
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return PS_OK;
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}
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/* Return overall process id of the target PH.
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Special for Linux -- not used on Solaris. */
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/* Return overall process id of the target PH. Special for GNU/Linux
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-- not used on Solaris. */
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pid_t
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ps_getpid (gdb_ps_prochandle_t ph)
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@ -1,5 +1,7 @@
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/* Target-dependent code for GDB, the GNU debugger.
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Copyright 2001 Free Software Foundation, Inc.
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Copyright 2001, 2002 Free Software Foundation, Inc.
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Contributed by D.J. Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
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for IBM Deutschland Entwicklung GmbH, IBM Corporation.
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@ -1354,7 +1356,7 @@ is_float_like (struct type *type)
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/* Return non-zero if TYPE is considered a `DOUBLE_OR_FLOAT', as
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defined by the parameter passing conventions described in the
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"Linux for S/390 ELF Application Binary Interface Supplement".
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"GNU/Linux for S/390 ELF Application Binary Interface Supplement".
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Otherwise, return zero. */
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static int
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is_double_or_float (struct type *type)
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@ -1366,8 +1368,9 @@ is_double_or_float (struct type *type)
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/* Return non-zero if TYPE is considered a `SIMPLE_ARG', as defined by
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the parameter passing conventions described in the "Linux for S/390
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ELF Application Binary Interface Supplement". Return zero otherwise. */
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the parameter passing conventions described in the "GNU/Linux for
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S/390 ELF Application Binary Interface Supplement". Return zero
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otherwise. */
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static int
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is_simple_arg (struct type *type)
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{
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@ -1415,8 +1418,9 @@ extend_simple_arg (struct value *arg)
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/* Return non-zero if TYPE is a `DOUBLE_ARG', as defined by the
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parameter passing conventions described in the "Linux for S/390 ELF
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Application Binary Interface Supplement". Return zero otherwise. */
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parameter passing conventions described in the "GNU/Linux for S/390
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ELF Application Binary Interface Supplement". Return zero
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otherwise. */
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static int
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is_double_arg (struct type *type)
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{
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@ -1487,8 +1491,8 @@ alignment_of (struct type *type)
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/* Put the actual parameter values pointed to by ARGS[0..NARGS-1] in
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place to be passed to a function, as specified by the "Linux for
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S/390 ELF Application Binary Interface Supplement".
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place to be passed to a function, as specified by the "GNU/Linux
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for S/390 ELF Application Binary Interface Supplement".
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SP is the current stack pointer. We must put arguments, links,
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padding, etc. whereever they belong, and return the new stack
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