Simplify start_of_data, start_of_text and related code.

* src/mem-limits.h: Remove !emacs and _LIBC conditional code.
(start_of_data): Merge into start_of_data function.
* src/sysdep.c (start_of_text): Remove.  Move simplified versions of
it in the only users: src/unexaix.c and unexec.c.
(read_input_waiting): Remove local declaration of quit_char.
(start, etext): Remove declarations.
(start_of_data): Merge with the version in mem-limits.h and move
to vm-limits.c.
* src/vm-limit.c (start_of_data): Merged and simplified version of the
code formerly in mem-limits.h and sysdep.c.
* src/unexec.c (start): New declaration, moved from sysdep.c.
(start_of_text): Simplified version of the code formerly in sysdep.c.
* unexaix.c (start_of_text): Simplified version of the code
formerly in sysdep.c.
* src/m/alpha.h (HAVE_TEXT_START): Remove.
(TEXT_START): Move ...
* src/unexalpha.c (TEXT_START): ... here.
* src/s/hpux10-20.h (TEXT_START): Remove.
* src/s/darwin.h (TEXT_START):
* src/m/mips.h (TEXT_START):
* src/m/macppc.h (HAVE_TEXT_START):
* src/m/m68k.h (TEXT_START):
* src/m/iris4d.h (TEXT_START):
* src/m/intel386.h (TEXT_START):
* src/m/ibmrs6000.h (TEXT_START):
* src/m/ia64.h (HAVE_TEXT_START):
* src/s/msdos.h (TEXT_START): Likewise.

1 files changed, 0 insertions, 2 deletions

diff --git a/admin/CPP-DEFINES b/admin/CPP-DEFINES
index f0438b7d59a..af818babb16 100644
--- a/admin/CPP-DEFINES
+++ b/admin/CPP-DEFINES
@@ -186,7 +186,6 @@ HAVE_SYS_TIMEB_H
 HAVE_SYS_TIME_H
 HAVE_TCATTR
 HAVE_TERMIOS_H
-HAVE_TEXT_START
 HAVE_TIMEVAL
 HAVE_TM_ZONE
 HAVE_TZSET
@@ -262,7 +261,6 @@ SYSV_SYSTEM_DIR
 TAB3
 TABDLY
 TERM
-TEXT_START
 THIS_IS_CONFIGURE
 TIME_WITH_SYS_TIME
 TIOCSIGSEND