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2011-01-07 Michael Snyder <msnyder@vmware.com>

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* ada-lang.c: Comment cleanup, mostly periods and spaces.
	* ada-lang.h: Ditto.
	* ada-tasks.c: Ditto.
	* ada-valprint.c: Ditto.
	* aix-threads.c: Ditto.
	* alpha-linux-nat.c: Ditto.
	* alpha-linux-tdep.c: Ditto.
	* alpha-mdebug-tdep.c: Ditto.
	* alpha-nat.c: Ditto.
	* alpha-osf1-tdep.c: Ditto.
	* alpha-tdep.c: Ditto.
	* alphabsd-nat.c: Ditto.
	* alphabsd-tdep.c: Ditto.
	* amd64-darwin-tdep.c: Ditto.
	* amd64-linux-nat.c: Ditto.
	* amd64-linux-tdep.c: Ditto.
	* amd64-sol2-tdep.c: Ditto.
	* amd64-tdep.c: Ditto.
	* amd64-fbsd-tdep.c: Ditto.
	* amd64-nbsd-tdep.c: Ditto.
	* amd64-obsd-tdep.c: Ditto.
	* amd64-linux-nat.c: Ditto.
	* amd64-linux-tdep.c: Ditto.
	* arm-tdep.c: Ditto.
	* arm-tdep.h: Ditto.
	* armnbsd-nat.c: Ditto.
	* avr-tdep.c: Ditto.
	* bfin-tdep.c: Ditto.
	* bsd-kvm.c: Ditto.
	* c-typeprintc: Ditto.
	* c-valprint.c: Ditto.
	* coff-pe-read.h: Ditto.
	* coffreead.c: Ditto.
	* cris-tdep.c: Ditto.
	* d-lang.c: Ditto.
	* darwin-nat-info.c: Ditto.
	* darwin-nat.c: Ditto.
	* dbug-rom.c: Ditto.
	* dbxread.c: Ditto.
	* dcache.c: Ditto.
	* dcache.h: Ditto.
	* dec-thread.c: Ditto.
	* defs.h: Ditto.
	* demangle.c: Ditto.
	* dicos-tdep.c: Ditto.
	* dictionary.c: Ditto.
	* dictionary.h: Ditto.
	* dink32-rom.c: Ditto.
	* disasm.c: Ditto.
	* doublest.c: Ditto.
	* dsrec.c: Ditto.
	* dummy-frame.c: Ditto.
	* dwarf2-frame.c: Ditto.
	* dwarf2expr.c: Ditto.
	* dwarf2loc.c: Ditto.
	* dwarf2read.c: Ditto.
	* elfread.c: Ditto.
	* environ.c: Ditto.
	* eval.c: Ditto.
	* event-top.h: Ditto.
	* exceptions.c: Ditto.
	* exceptions.h: Ditto.
	* exec.c: Ditto.
	* expprint.c: Ditto.
	* expression.h: Ditto.
	* f-exp.y: Ditto.
	* f-lang.c: Ditto.
	* f-lang.h: Ditto.
	* f-typeprint.c: Ditto.
	* f-valprint.c: Ditto.
	* fbsd-nat.c: Ditto.
	* findvar.c: Ditto.
	* fork-child.c: Ditto.
	* frame.c: Ditto.
	* frame.h: Ditto.
	* frv-linux-tdep.c: Ditto.
	* frv-tdep.c: Ditto.
	* gcore.c: Ditto.
	* gdb-stabs.h: Ditto.
	* gdb_assert.h: Ditto.
	* gdb_string.h: Ditto.
	* gdb_thread_db.h: Ditto.
	* gdb_wait.h: Ditto.
	* gdbarch.sh: Ditto.
	* gdbcore.h: Ditto.
	* gdbthread.h: Ditto.
	* gdbtypes.c: Ditto.
	* gdbtypes.h: Ditto.
	* gnu-nat.c: Ditto.
	* gnu-nat.h: Ditto.
	* gnu-v2-abi.c: Ditto.
	* gnu-v3-abi.c: Ditto.
	* go32-nat.c: Ditto.
	* gdbarch.c: Regenerate.
	* gdbarch.h: Regenerate.
This commit is contained in:
Michael Snyder
2011-01-07 19:36:19 +00:00
parent 87973e9f82
commit 0963b4bd45
97 changed files with 1538 additions and 1304 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
gdb/arm-linux-tdep.c
View File

@ -105,7 +105,7 @@ static const char arm_linux_thumb2_le_breakpoint[] = { 0xf0, 0xf7, 0x00, 0xa0 };
GOT = global offset table
As much as possible, ELF dynamic linking defers the resolution of
jump/call addresses until the last minute. The technique used is
jump/call addresses until the last minute. The technique used is
inspired by the i386 ELF design, and is based on the following
constraints.
@ -147,9 +147,9 @@ static const char arm_linux_thumb2_le_breakpoint[] = { 0xf0, 0xf7, 0x00, 0xa0 };
2) In the PLT:
The PLT is a synthetic area, created by the linker. It exists in
both executables and libraries. It is an array of stubs, one per
imported function call. It looks like this:
The PLT is a synthetic area, created by the linker. It exists in
both executables and libraries. It is an array of stubs, one per
imported function call. It looks like this:
PLT[0]:
str lr, [sp, #-4]! @push the return address (lr)
@ -171,7 +171,7 @@ static const char arm_linux_thumb2_le_breakpoint[] = { 0xf0, 0xf7, 0x00, 0xa0 };
lr = &GOT[0] + 8
= &GOT[2]
NOTE: PLT[0] borrows an offset .word from PLT[1]. This is a little
NOTE: PLT[0] borrows an offset .word from PLT[1]. This is a little
"tight", but allows us to keep all the PLT entries the same size.
PLT[n+1]:
@ -188,12 +188,12 @@ static const char arm_linux_thumb2_le_breakpoint[] = { 0xf0, 0xf7, 0x00, 0xa0 };
3) In the GOT:
The GOT contains helper pointers for both code (PLT) fixups and
data fixups. The first 3 entries of the GOT are special. The next
data fixups. The first 3 entries of the GOT are special. The next
M entries (where M is the number of entries in the PLT) belong to
the PLT fixups. The next D (all remaining) entries belong to
various data fixups. The actual size of the GOT is 3 + M + D.
the PLT fixups. The next D (all remaining) entries belong to
various data fixups. The actual size of the GOT is 3 + M + D.
The GOT is also a synthetic area, created by the linker. It exists
The GOT is also a synthetic area, created by the linker. It exists
in both executables and libraries. When the GOT is first
initialized , all the GOT entries relating to PLT fixups are
pointing to code back at PLT[0].
@ -784,11 +784,11 @@ arm_linux_copy_svc (struct gdbarch *gdbarch, uint32_t insn, CORE_ADDR to,
if (debug_displaced)
fprintf_unfiltered (gdb_stdlog, "displaced: found "
"sigreturn/rt_sigreturn SVC call. PC in frame = %lx\n",
"sigreturn/rt_sigreturn SVC call. PC in frame = %lx\n",
(unsigned long) get_frame_pc (frame));
if (debug_displaced)
fprintf_unfiltered (gdb_stdlog, "displaced: unwind pc = %lx. "
fprintf_unfiltered (gdb_stdlog, "displaced: unwind pc = %lx. "
"Setting momentary breakpoint.\n", (unsigned long) return_to);
gdb_assert (inferior_thread ()->control.step_resume_breakpoint