95d875fb90
libc for SH3.
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TODO: fplib
2000-01-05 14:07:29 +00:00
0ba088f0a3
New bzero() using block store insns.
1999-12-30 15:31:39 +00:00
d1b815fe32
Sample code to implement ffs() using the popc insn (if it's ever implemented).
1999-12-30 15:30:26 +00:00
509e885e3b
fix name space pollution by adding prefix '_mips_'.
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closes PR 8770.
1999-12-26 00:22:31 +00:00
11e6c54cfc
C99: Define a NAN macro in <math.h> which evaulates to a constant expression of
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a single-precision quiet NaN; only to be defined on platforms that do support
this value.
1999-12-23 10:15:05 +00:00
87bb3a7b2b
make this work again with -mrtd.
1999-11-16 18:16:53 +00:00
eaf45b75c1
Fix spelling of contributors name
1999-10-27 09:10:27 +00:00
3b435a7396
Add register prefixes.
1999-10-25 23:48:07 +00:00
1d0a433095
ELF PIC support.
1999-10-18 03:24:28 +00:00
29215efa45
ELF PIC support.
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Small optimization.
1999-10-18 03:22:14 +00:00
54de12eae6
remove extra lw (SOFTFLOAT)
1999-10-11 05:25:35 +00:00
f761ddb744
adjust #endif position (SOFTFLOAT)
1999-10-11 05:21:06 +00:00
cdabc2eb91
Hpcmips needs completely FPU instruction free user land.
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XXX, this modification is kinda ad-hoc.
1999-09-29 13:19:13 +00:00
30ae96c534
Oops, missed these in the mcount -> __mcount renaming.
1999-09-28 08:27:08 +00:00
e203553a11
Finish support for auto-generated libkern divsi3.S.
1999-09-21 09:43:38 +00:00
897dbf6c67
Use an identical source file for the libc and the libkern version of
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divsi3.S, conditionally compiling the divide by zero case. This way,
after a change to the one, we can just copy it over to update the other
without creating ... problems. By Chris G. Demetriou.
1999-09-20 09:22:47 +00:00
959acd6d47
Looks like I forgot to add this copy of isnan.c.
1999-09-17 21:32:53 +00:00
2f85eb6142
Import NetBSD/hpcmips source files from hpcmips repository.
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file list:
sys/arch/hpcmips/
distrib/hpcmips/
etc/etc.hpcmips/
lib/libc/arch/mips/fplib/
lib/libc/arch/mips/fplib/Makefile.inc
lib/libc/arch/mips/fplib/environment.h
lib/libc/arch/mips/fplib/fplib_glue.c
lib/libc/arch/mips/fplib/fplib_libc.c
lib/libc/arch/mips/fplib/hpcmips-gcc.h
lib/libc/arch/mips/fplib/softfloat-macros.h
lib/libc/arch/mips/fplib/softfloat-specialize.h
lib/libc/arch/mips/fplib/softfloat.c
lib/libc/arch/mips/fplib/softfloat.h
lib/libc/arch/mips/gen/ieee.h
lib/libc/arch/mips/gen/sf_fabs.c
lib/libc/arch/mips/gen/sf_flt_rounds.c
lib/libc/arch/mips/gen/sf_fpgetmask.c
lib/libc/arch/mips/gen/sf_fpgetround.c
lib/libc/arch/mips/gen/sf_fpgetsticky.c
lib/libc/arch/mips/gen/sf_fpsetmask.c
lib/libc/arch/mips/gen/sf_fpsetround.c
lib/libc/arch/mips/gen/sf_fpsetsticky.c
lib/libc/arch/mips/gen/sf_isinf.c
lib/libc/arch/mips/gen/sf_ldexp.c
lib/libc/arch/mips/gen/sf_modf.c
1999-09-16 12:13:17 +00:00
bc086d24af
In the division core: if the highest bit of the dividend is set,
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we have to be careful when shifting the divisor. Test this.
This fixes PR 7760 by Richard Earnshaw.
1999-09-16 09:15:05 +00:00
ec2a7d4249
SYS.h was nuked from libkern
1999-09-10 15:41:51 +00:00
f70d067294
use RODATA() instead of ENTRY() for __ffstab so that it works when profiling.
1999-09-06 19:00:24 +00:00
b3b07a4c6e
Another microoptimization. Take advantage of the addition already having set
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the flags for the <=0 comparison.
1999-08-30 18:28:24 +00:00
0560606383
Reuse the trick of loading 0.0 (rather than 1.0) and then modifying the
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exponent. It's a bit faster on some machines.
1999-08-30 18:01:40 +00:00
5579a03f91
Nuke unused variable.
1999-08-30 16:48:07 +00:00
75d2dfe657
Remove more unused mulexp variables.
1999-08-30 15:11:32 +00:00
6a4d7f0bc4
Make it compile again by removing an unused variable.
1999-08-30 12:14:09 +00:00
9cba4741ee
Use C versions of isinf() and isnan(). The assembler code is basically
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identical, but was endian-dependent.
1999-08-29 23:01:40 +00:00
6b221be206
ldexp(denormal, exp>1023) would generate the wrong result in all non-overflow
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cases. Totally rework this code to fix this bug *and* make it faster.
1999-08-29 22:50:25 +00:00
5f34ffabca
ldexp(denormal, exp>1023) would generate the wrong result in all non-overflow
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cases. Totally rework this code to fix this bug *and* make it faster.
1999-08-29 22:45:32 +00:00
c3140da584
Oops; committed wrong version here.
1999-08-29 19:42:54 +00:00
f784c98496
Reimplement the FSCALE version as C-with-assembler. (Make the compiler deal
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with ABI crap.)
1999-08-29 19:41:53 +00:00
0ae41d0984
Use the C version of ldexp(). The assembler version was broken in several
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ways (ldexp(0.0, 5000) returned +Inf, didn't do normalization/denormalization,
etc.).
1999-08-29 19:08:44 +00:00
02a48bde49
Don't ever return -0.0.
1999-08-29 19:04:02 +00:00
0d708431b7
Minor style change.
1999-08-29 18:40:50 +00:00
ea4b733810
Trivial KNF.
1999-08-29 18:39:35 +00:00
6850b97bb3
Sync with SPARC version.
1999-08-29 18:35:51 +00:00
ed01c49a3f
Use the C version. The assembler version was just transliterated (and buggy)
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anyway.
1999-08-29 18:32:36 +00:00
099dd01a1d
Make the C version of frexp() consitent across platforms, and handle the
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Inf/NaN case.
1999-08-29 18:30:14 +00:00
291053e1e2
Use ieee.h.
1999-08-29 18:23:26 +00:00
c8190acc41
Separate isnan() into a separate module, and make isinf()/isnan() use ieee.h.
1999-08-29 18:11:28 +00:00
17030e8106
Separate isnan() into a separate module, and make isinf()/isnan() use ieee.h.
1999-08-29 18:08:27 +00:00
30dca7f7db
Add __msgctl13(), __semctl13(), and __shmctl13() (symbols are __RENAME()'d
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in their respective header files). Add PSEUDO stubs for the old versions
of these system calls.
Note that __semctl13() doesn't require the extra stub that the old
semctl()/__semctl() did, as the SUSv2 version takes variable arguments,
and thus does not require the extra indirection.
1999-08-25 05:09:27 +00:00
74511f97b1
Use _ALIGN_TEXT from <machine/asm.h>.
1999-08-23 08:45:09 +00:00
687108b42f
add the ieeefp functions
1999-07-07 01:55:07 +00:00
e8559a61eb
mark an asm statement volatile so it doesn't get optimized out
1999-07-07 01:53:38 +00:00
0ffda58ae9
A new implementation of _setjmp/_longjmp that uses the T_FLUSHWIN trap.
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This means the stack frame and program counter can restored directly
from the jmp_buf, eliminating the need to backtrack through frames
which does not work in all cases.
1999-06-27 11:10:18 +00:00
d7678457d6
Fix definition of infinity. Patch supplied by Richard Earnshaw in
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PR lib/7829.
1999-06-21 22:31:32 +00:00
71dd06e171
Go for correctness instead of speed as suggested by Ian Dall. This fixes
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pr#port-pc532/7710.
1999-06-06 20:20:46 +00:00
bb36354c10
Fix spurious page faults by double word aligning the source and not the
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destination. Thank's to Ian Dall for this fix.
1999-06-06 19:49:11 +00:00
15fb0e4315
Shameless hack to reference end if using a.out and _end if using ELF.
1999-06-03 20:14:58 +00:00
5b4ea02521
_C_FUNC() -> _C_LABEL()
1999-05-06 14:01:20 +00:00
c66e4d7122
* Prefix softfloat symbols which require external linkage with _arm32_ to
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move them out of user namespace; declare those not requiring external linkage
static.
* In due course, disable those functions that require neither external nor
internal linkage.
Addresses PR port-arm32/7517.
1999-05-06 13:56:28 +00:00
cb9a32fdf9
* Add getcachelinesize() prototype.
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* Make this compile with -D_STANDALONE.
1999-05-05 12:35:54 +00:00
5b2a4f0824
Call cerror through the PLT.
1999-05-02 23:19:49 +00:00
18d5ba6151
We can shave off a register-register move when using the SVR4 ABI: __errno()
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will return its pointer result in a0.
1999-05-02 20:52:02 +00:00
4e0adc06d5
When using the SVR4 ABI, return pointer results in a0, too.
1999-05-02 20:34:04 +00:00
1bd013aa27
Oops, typo.
1999-05-02 20:18:17 +00:00
d658cafb30
When using the SVR4 ABI, just return floating point values in fp0.
1999-05-02 20:17:20 +00:00
bcd9993e4e
When using the SVR4 ABI, return the pointer in a0, too.
1999-05-02 20:09:29 +00:00
c5a82dd848
* New MI man page for fp{set,get}{round,sticky,mask}(3).
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* Implement fpgetsticky() for alpha.
* Direct fpsetsticky() and fp{get,set}mask() into alpha kernel via sysarch(2).
* Define new sysarch(2) stub for above and install and distribute sysarch.h
for alpha. (The fpcr IS user mode r/w, but for reasons beyond the scope
of a commit message kernel calls are needed.) And much kernel Magick is
required before these do anything, but this way programs compiled under
1.4 will DTRT on future snapshots and releases.
1999-04-30 00:58:30 +00:00
b74f892f6d
Declare cerror using _ENTRY() to get, among other things, a .type statement.
1999-04-29 15:37:21 +00:00
5423093850
Modify syncicache on PowerPC from an inline to a real function.
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Support different cache line sizes with the same object code in userland.
While here, move the function to implementation name space.
1999-04-17 21:16:45 +00:00
765d11306b
Set infinity to the highest D-float possible.
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XXX - infinity does not exist on vax...
1999-04-17 14:53:32 +00:00
713a1d89ff
Add _dtoul() which gcc generates a lot. Maybe it should go in another file.
1999-04-04 21:01:39 +00:00
dccf2a15e4
While in transition, conditionally rename _ASM_LABEL(cerror) and
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_ASM_LABEL(curbrk) to _C_LABEL(__cerror) and _C_LABEL(__curbrk), respectively,
depending on the object format chosen, to avoid user namespace clashes.
1999-03-31 18:14:27 +00:00
5af7e7a902
Change references to `end' to `_end' as not to invade (or being invaded by)
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the user's name space.
1999-03-31 11:53:07 +00:00
cd6244f1cc
Assembly-coded, word-at-a-time unrolled memset().
1999-03-15 06:37:43 +00:00
2b504929fa
Just some minor cleanup.
1999-03-10 08:15:43 +00:00
f1c544b6a8
Use ieee.h structs and macros.
1999-03-10 08:14:44 +00:00
22df858e3c
Fix typos after the hton* changes. Need __*setjmp14.S also.
1999-03-06 11:13:43 +00:00
ae6215337e
Don't use 1: label; it is uses by the PIC_PROLOGUE macro and we jmp in the
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wrong place!
1999-02-22 13:07:14 +00:00
af1c8fd11a
For don't mess up the stack before calling syscall when using PIC_PROLOGUE.
1999-02-13 16:13:48 +00:00
3fafc185a5
68060 optimization, doesnt hurt others
1999-02-08 22:00:13 +00:00
e387e174fc
Amend for the PLT fixes, things broke last night with the changes to SYS.h
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and cerror.S. In particular, the syscalls in the files committed below were
broken.
1999-02-08 18:56:48 +00:00
143dcdbe44
Make cerror an entry and compensate for the PIC_PROLOGUE change in SYS.h
1999-02-07 17:22:25 +00:00
cb41675175
Add PIC_PROLOGUE before the PLT call to cerror. ELF dynamic linking needs
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this.
1999-02-07 17:21:38 +00:00
2d40554ce3
_setjmp.S needs OFFSETOF_SC_{FP,}REGS, so include <machine/signal.h>
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even tho _setjmp()/_longjmp() don't manipulate signals. (more thought?)
1999-02-05 00:41:42 +00:00
f44e783c10
When invoking ALTENTRY, the arguments may not contain spaces (not even
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after the ",") or this will fail when cpp is run with -traditional-cpp.
1999-02-01 21:32:35 +00:00
eede9d202f
Regularize with removal of genpubassym.cf. Structure offsets
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now obtained from signal.h
1999-01-31 00:57:10 +00:00
f23e238690
things like newfs need bswap64 in libc
1999-01-22 14:22:36 +00:00
da8a0f49c7
Whitespace fix.
1999-01-22 11:01:04 +00:00
99355f3153
Use insbl to reduce by 1 instruction.
1999-01-22 10:59:18 +00:00
8bf9a67c76
One instruction shorter, and returns the same 32-bit result.
1999-01-22 09:13:17 +00:00
8605fac4eb
* Fix typo in Makefile.inc -- byte_swap_2.4 -> byte_swap_4.S
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* Change bytes_swap_4.S to have consistent NLEAF and END for swap routine.
1999-01-18 04:32:49 +00:00
dc306354b0
Move the bswap functions from libutil to libc (this bups the
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minor of libc and the major of libutil). For little-endian architectures
merge the bnswap() assembly versions with nto* and hton* using symbols
aliasing. Use symbol renaming for the bswap function in this case to avoid
namespace pollution.
Declare bswap* in machine/bswap.h, not machine/endian.h. For little-endian
machines, common code for inline macros go in machine/byte_swap.h
Sync libkern with libc.
Adjust #include in kernel sources for machine/bswap.h.
1999-01-15 13:31:15 +00:00
7ad987bb7c
Userland support for 64-bit safe sigcontexts.
1999-01-15 03:53:33 +00:00
6348b7d5b5
* On architectures using ELF, and conditionally on those in transition, rename
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_ASM_LABEL(cerror) and _ASM_LABEL(curbrk) to _C_LABEL(__cerror) and
_C_LABEL(__curbrk) (or their respective architecture-specific equivalents) to
avoid possible name clashes with identifiers used in user applications.
* Do the same for minbrk on all architectures to avoid a GCC-specific (and
on ELF architectures effectively useless) symbol reference renaming in MI code.
1999-01-14 22:48:18 +00:00
c93135c35a
s/vm_offset_t/vaddr_t/
1999-01-10 08:24:42 +00:00
ff34887c45
More fixes to signal handling code...
1999-01-03 16:22:04 +00:00
317ff12487
Slight cleanup.
1998-12-04 09:52:43 +00:00
efd37a7da8
Warn about references to the compatibility vfork() (i.e. the vfork() with
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the 4.4BSD non-shared-address-space semantics), and direct the user to
include <unistd.h> to generate the correct reference.
This warning isn't about an ABI compatibility issue, but the new vfork() is
considerably faster.
1998-12-02 19:29:56 +00:00
e644246e6a
Warn about references to the compatibility() sigaction(), sigpending(),
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sigprocmask(), sigreturn(), and sigsuspend(), and direct the user to
include <signal.h> to generate the correct reference.
1998-12-02 01:01:03 +00:00
e3a695901c
Add frexp.c and modf.c.
1998-11-26 07:50:56 +00:00
106908bdb8
Add PIC version.
1998-11-24 11:14:54 +00:00
7c990e0c7b
delint
1998-11-14 19:31:01 +00:00
cf2842a1b0
Some changes to disassembly easier without causing any performance penalty.
1998-10-20 06:46:19 +00:00
f2e15d15fa
Fix the non pic version too.
1998-10-16 14:11:53 +00:00
3d8121f3df
PR/6285: Tom Ivar Helbekkmo: sigsetjmp/siglongjmp broken after current signal
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changes.
1998-10-16 13:28:39 +00:00
d541ca6d80
Need internal names for isinf() and isnan().
1998-10-13 14:43:36 +00:00
c1d0053032
PICify. (e.g. change movl $sym, rX to movab sym, rX)
1998-10-13 00:02:19 +00:00
msaitoh