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| author | Dan Nicolaescu <dann@ics.uci.edu> | 2010-07-07 20:03:52 -0700 |
|---|---|---|
| committer | Dan Nicolaescu <dann@ics.uci.edu> | 2010-07-07 20:03:52 -0700 |
| commit | 313d9eb21863418cb91328c3d5ef0c2d356fc483 (patch) | |
| tree | 87aa5f39b43cc9c308839047bc83345d518f5d0a /src/unexaix.c | |
| parent | d734dbbd24fca96383d2583c36d2a805181cf306 (diff) | |
| download | emacs-313d9eb21863418cb91328c3d5ef0c2d356fc483.tar.gz emacs-313d9eb21863418cb91328c3d5ef0c2d356fc483.tar.bz2 emacs-313d9eb21863418cb91328c3d5ef0c2d356fc483.zip | |
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.
Diffstat (limited to 'src/unexaix.c')
| -rw-r--r-- | src/unexaix.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/unexaix.c b/src/unexaix.c index 2657d144296..949616d5e31 100644 --- a/src/unexaix.c +++ b/src/unexaix.c @@ -71,7 +71,7 @@ what you give them. Help stamp out software-hoarding! */ #include <unistd.h> #include <fcntl.h> -extern char *start_of_text (void); /* Start of text */ +char *start_of_text (void); /* Start of text */ extern char *start_of_data (void); /* Start of initialized data */ extern int _data; @@ -669,5 +669,18 @@ unrelocate_symbols (int new, int a_out, char *a_name, char *new_name) return 0; } +/* + * Return the address of the start of the text segment prior to + * doing an unexec. After unexec the return value is undefined. + * See crt0.c for further explanation and _start. + * + */ + +char * +start_of_text (void) +{ + return ((char *) 0x10000000); +} + /* arch-tag: 0783857a-7c2d-456f-a426-58b722d69fd0 (do not change this comment) */ |