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c03ef26393
Commit Graph

340 Commits

Author SHA1 Message Date
jmc
c03ef26393 Don't make ___start static as gcc can't tell it's referenced and complains. 2002-04-04 08:22:11 +00:00
eeh
41065b740e Don't need start' in crt0.o any more. ld expects _start' as the entry 
symbol, while gcc likes `__start'.
 2002-03-29 18:11:55 +00:00
matt
0ce5ca145f Change to use a register prefix. 2002-02-24 01:06:18 +00:00
matthias
21fb786623 Declare the global register variable kps_strings before including anything 
as this needs to be done before any function is defined (and there seems
to be a function definition in one of the include files).
 2002-02-22 13:46:30 +00:00
mrg
829b76292e fix multiline string literal. from gcc3 2002-02-11 06:08:23 +00:00
thorpej
e4217fbfe4 Pass the rtld object and ps_strings to _start() properly. From Marcus. 2002-02-03 23:57:19 +00:00
thorpej
ec206ac99b Multi-line string literals are not in ISO-C. 2002-01-23 03:55:33 +00:00
drochner
e757f639d2 don't include <machine/asm.h> to avoid conflicts with definitions 
in <sys/cdefs.h>
 2002-01-14 12:06:49 +00:00
thorpej
fd9112a780 Build and install crtfm.o (sets the Alpha FP_C in a way that GCC's 
-ffast-math on Alpha expects).
 2002-01-14 01:31:58 +00:00
thorpej
24ca47c4d5 * Use the new ALPHA_SET_FP_C sysarch call. 
* Provide an internal sysarch entry point, so that this works
  with statically-linked programs.
 2002-01-14 01:31:00 +00:00
thorpej
655925395a Support for the GCC "-ffast-math" option on the Alpha. 2002-01-13 20:05:42 +00:00
thorpej
caaec27cfe * Use += to assign OBJS so that machine-dependent Makefiles can 
add their own objects to the list.
* Garbage-collect an unneeded CLEANFILES assignment.
 2002-01-13 19:59:26 +00:00
thorpej
d605da06f0 %progbits, not @progbits (@ is a comment character in ARM assembly). 2002-01-01 01:36:21 +00:00
thorpej
7050ac9aa9 Multi-line string literals are not supported by ANSI C. 2002-01-01 01:31:06 +00:00
thorpej
5ced70565e Set ELFSIZE=64. 2002-01-01 01:14:22 +00:00
thorpej
d8abc59932 Add support for invoking GNU C++ local destructors in shared objects 
via the __cxa_finalize() mechanism.

XXX Only enabled for new-toolchain platforms, as it requires the assembler
to support the .hidden pseudo-op.
 2001-12-31 00:40:11 +00:00
thorpej
a50163af65 Build separate crt{begin,end}.o and crt{begin,end}S.o files, rather 
than linking them at install time.  Forthcoming changes require different
behavior for static vs. shared object versions of these files.
 2001-12-31 00:11:13 +00:00
thorpej
c41160abff Add support for registering Java classes emitted by the Java compiler 
(e.g. the Java compiler in GCC 3.x) into the ".jcr" section.
 2001-12-30 23:45:00 +00:00
thorpej
6027dc5536 Make sure the Dwarf2 EH frame info is 4-byte aligned. 2001-12-30 23:26:20 +00:00
thorpej
5b81869561 Don't use multi-line string literals; they're not supported by ANSI C. 2001-12-30 23:23:38 +00:00
bjh21
7723559395 Quiet GCC warnings. 2001-11-08 22:23:59 +00:00
lukem
65469e54b3 pull in ../../Makefile.inc 2001-11-05 15:11:40 +00:00
skrll
6d6c931c5a This is an a.out thing and doesn't belong here. 2001-10-26 16:05:25 +00:00
scw
f768a5c42b Reduce the alignment constraint from 4 to 2. This fixes the problem where 
gas(2) pads the text segment with 0x0 instead of NOP. Since m68k instructions
only need 16-bit alignment, .align 2 works just fine.
 2001-10-13 09:21:50 +00:00
kristerw
031a62292d Run the entries in __CTOR_LIST__ and __DTOR_LIST__ in the order gcc expect. 2001-10-11 18:02:28 +00:00
matt
eef4b63246 Make __start global. 2001-09-08 18:59:20 +00:00
bjh21
751e6fa590 Ensure that the stack is aligned to an 8-byte boundary before calling C code. 
(ATPCS B-01)
 2001-08-17 00:14:38 +00:00
simonb
9a68629ca6 Enlarge the stack frame to 16 bytes, and store the return address 8 
bytes in instead of at the start, to leave room for a .cpload to store
the gp at offset 0 in the frame.  Allow 8 bytes for each (for mips64
one day...).

.cpload overwrite problems noted by Michael Hitch.
 2001-08-16 03:44:46 +00:00
matt
ee6a16ad18 Add a secondary label called __start (makes gcc 2.95.3 happier) and rename 
the internal __start to ___start.   (Since -e is not supplied by default,
this has no effect on a native build.)
 2001-08-05 00:01:27 +00:00
thorpej
102df4197d Enable DWARF2 EH support. Confirmed working w/ GCC 2.95.3 on sparc 
and i386.
 2001-08-03 14:26:13 +00:00
thorpej
a6855eea24 Add support for DWARF2 frame unwinding/exception handling. This 
should be sufficient for GCC 2.95.3, and probably GCC 3.0 as well.

Not yet enabled by default; further testing required.
 2001-08-03 05:54:43 +00:00
wiz
e11d04474c issueing -> issuing 2001-07-26 22:55:12 +00:00
tsubai
1278735b51 .init/.fini support. 2001-07-23 20:43:31 +00:00
bjh21
71d647ec7a The common arm_elf code seems to work on arm26, so use that. 2001-07-20 13:01:13 +00:00
simonb
19211890ff Enable dot_init.h on mips, fixing .init & .fini processing. 2001-07-18 04:43:48 +00:00
mrg
6bea810c23 enable dot_init.h on both sparc & sparc64, fixing .init & .fini processing 
for both platforms.  they share dot_init.h with a single #ifdef #define
difference...
 2001-07-17 18:25:11 +00:00
simonb
1bc139fd41 Add but not enable correct .init/.fini handling. 2001-07-17 15:20:23 +00:00
mrg
f4bd34ec5f add but not enable correct .init/.fini handling. 2001-07-17 13:32:35 +00:00
mrg
ff68bb147c minor KNF 2001-07-17 13:28:05 +00:00
tsubai
4a0b75d5d2 Add the new .init/.fini support. 2001-07-17 12:16:43 +00:00
matt
119c72fb96 Add new init/fini to VAX ELF. 2001-07-17 06:45:46 +00:00
matt
ae9f64ff3b Turn-on new init/fini processing. 2001-07-17 06:39:14 +00:00
thorpej
4abcdae85e Enable the new (working) .init/.fini magic. 2001-07-17 03:56:48 +00:00
matt
126898a2cd Initial CSU for ARM with shared ELF. 2001-07-15 17:29:00 +00:00
fvdl
a84b13f43f CSU for x86-64 port. 2001-06-19 00:49:06 +00:00
mrg
f59b9e737f set FILESDIR to "${LIBDIR}", not hard coded /usr/lib. 2001-06-07 15:22:49 +00:00
fredette
e80c95ddb2 Don't use an EA with a scaled index, it isn't supported on the 68000. 2001-05-17 21:21:07 +00:00
fredette
872a39428c Don't compile with -fPIC when MACHINE_ARCH is m68000. 2001-05-17 21:17:02 +00:00
kleink
7bd28edec7 Add, but do not yet enable, m68k code for .init and .fini section fallthroughs. 2001-05-12 00:17:55 +00:00
ross
2d62241cb9 Reorganization of crtbegin/crtend. 
o  Primary mod: alpha and i386 code for .init and .fini section fallthroughs
o  Actual fallthru is not yet enabled, see csu/{alpha,i386_elf}/Makefile
o  When enabled, should fix bin/12865 & should fix at least one WINE bug,
   see http://www.winehq.com/hypermail/wine-devel/2001/05/0021.html
o  Also, removed the function pointer hack put in to prevent gcc from
   incorrectly attempting to do short calls over section boundaries,
   on some architectures, rather, simply simply move ctors() and dtors()
   into .init and .fini.
Other notes.
o  Our crtbegin.c and crtend.c were completely in C, despite
   the fact that .init and .fini section fallthroughs require machine code.
   These modules implement the gnu ctors/dtors mechanism directly, eliminating
   in part the need for the elf .init/.fini section fallthrough. However,
   if we ever want to use the gnu-provided constructor support, we need to
   do the fallthrough, at least one program (WINE) apparently uses the
   feature independently, and other compilers may depend on the mechanism.
o  It is amusing that the previous NetBSD _init() and _fini() were put
   into the .init and .fini sections, because nothing is gained over
   plain .text if they don't fall through. Cargo cult!
o  Other elf ports will need to copy the alpha and i386 example mods.
 2001-05-11 22:44:14 +00:00