[gdb] Drop executable mode in some files

During a review, Claude Code noticed that gdb/amd64-tdep.c has executable
mode.

This was added by accident in commit f9aa48dc545 ("gdb, amd64: extend the
amd64 prologue analyzer to skip register pushes").

Fix this, and similar problems in other files.

Approved-By: Simon Marchi <simon.marchi@efficios.com>

diff --git a/gdb/amd64-tdep.c b/gdb/amd64-tdep.c
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.arch/amd64-lam.c b/gdb/testsuite/gdb.arch/amd64-lam.c
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.base/jump_multiple_objfiles-foo.c b/gdb/testsuite/gdb.base/jump_multiple_objfiles-foo.c
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.base/jump_multiple_objfiles.c b/gdb/testsuite/gdb.base/jump_multiple_objfiles.c
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.base/jump_multiple_objfiles.exp b/gdb/testsuite/gdb.base/jump_multiple_objfiles.exp
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.base/jump_multiple_objfiles.h b/gdb/testsuite/gdb.base/jump_multiple_objfiles.h
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.btrace/exception.exp b/gdb/testsuite/gdb.btrace/exception.exp
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.fortran/nested-funcs.exp b/gdb/testsuite/gdb.fortran/nested-funcs.exp
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.fortran/nested-funcs.f90 b/gdb/testsuite/gdb.fortran/nested-funcs.f90
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.fortran/oop_extend_type.exp b/gdb/testsuite/gdb.fortran/oop_extend_type.exp
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.fortran/oop_extend_type.f90 b/gdb/testsuite/gdb.fortran/oop_extend_type.f90
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.fortran/print_type.exp b/gdb/testsuite/gdb.fortran/print_type.exp
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.fortran/vla-type.exp b/gdb/testsuite/gdb.fortran/vla-type.exp
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.fortran/vla-type.f90 b/gdb/testsuite/gdb.fortran/vla-type.f90
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/gdb.testsuite/gdb_test_multiple-lbl.gdb b/gdb/testsuite/gdb.testsuite/gdb_test_multiple-lbl.gdb
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/gdb/testsuite/lib/compiler.cc b/gdb/testsuite/lib/compiler.cc
old mode 100755 (executable)
new mode 100644 (file)