Changeset 3558ba93 in mainline for uspace/lib/softfloat

Timestamp:

2013-12-09T15:55:40Z (12 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

5b89d43b

Parents:

12735849 (diff), 9521eca (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge GCC port updates

This commit includes various small changes needed to compile GCC or
dependent libraries on more architectures than ia32.

A lot of ARM EABI functions (softfloat) were added, mostly as aliases
to already existing ones.

A generic implementation of long jump was added, based on context save
and restore functions.

Examples in src/c/ were updated to be compilable again and new scripts
for compiling with GCC were added.

New uspace/overlay directory was added that is verbatim copied into the
final image. Cleaning its content is left to the user.

A small `untar' utility was implemented for unpacking tarballs (it does
not support the standard switches nor a compressed content).

Merged branch: lp:~vojtech-horky/helenos/gcc-port

Location:

uspace/lib/softfloat

Files:

• softfloat.c (modified) (4 diffs)
• softfloat.h (modified) (2 diffs)

uspace/lib/softfloat/softfloat.c

@@ -1265 +1265 @@
 }
 
+float __aeabi_d2f(double a)
+{
+        return __truncdfsf2(a);
+}
+
+double __aeabi_f2d(float a)
+{
+        return __extendsfdf2(a);
+}
+
+
 float __aeabi_i2f(int i)
 {
@@ -1285 +1296 @@
 }
 
+double __aeabi_l2d(long long i)
+{
+        return __floattidf(i);
+}
+
+float __aeabi_l2f(long long i)
+{
+        return __floattisf(i);
+}
+
+float __aeabi_ul2f(unsigned long long u)
+{
+        return __floatuntisf(u);
+}
+
 int __aeabi_f2iz(float a)
 {
@@ -1305 +1331 @@
 }
 
+long long __aeabi_d2lz(double a)
+{
+        return __fixdfti(a);
+}
+
 int __aeabi_fcmpge(float a, float b)
 {
@@ -1339 +1370 @@
         return __ltdf2(a, b);
 }
+
+int __aeabi_dcmple(double a, double b)
+{
+        return __ledf2(a, b);
+}
+
 
 int __aeabi_dcmpeq(double a, double b)

uspace/lib/softfloat/softfloat.h

@@ -204 +204 @@
 
 /* ARM EABI */
+extern float __aeabi_d2f(double);
+extern double __aeabi_f2d(float);
 extern float __aeabi_i2f(int);
 extern float __aeabi_ui2f(int);
 extern double __aeabi_i2d(int);
 extern double __aeabi_ui2d(unsigned int);
+extern double __aeabi_l2d(long long);
+extern float __aeabi_l2f(long long);
+extern float __aeabi_ul2f(unsigned long long);
 extern unsigned int __aeabi_d2uiz(double);
+extern long long __aeabi_d2lz(double);
 
 extern int __aeabi_f2iz(float);
@@ -222 +228 @@
 extern int __aeabi_dcmpgt(double, double);
 extern int __aeabi_dcmplt(double, double);
+extern int __aeabi_dcmple(double, double);
 extern int __aeabi_dcmpeq(double, double);