[libc] Removed __LIBC_CONST_ATTR attribute and updated math.yaml with the new math functions (#99571)

- deleted attribute from fabs function
- added math functions from #98972
- also updated statvfs files so that it can be generated

Author: RoseZhang03

libc/config/linux/api.td

@@ -267,5 +267,5 @@ def SearchAPI : PublicAPI<"search.h"> {
 }
 
 def SysStatvfsAPI : PublicAPI<"sys/statvfs.h"> {
-  let Types = ["fsblkcnt_t", "fsfilcnt_t", "struct statvfs"];
+  let Types = ["struct statvfs"];
 }

libc/config/linux/x86_64/headers.txt

@@ -45,8 +45,7 @@ set(TARGET_PUBLIC_HEADERS
     libc.include.sys_select
     libc.include.sys_socket
     libc.include.sys_stat
-    # statvfs is broken, will uncomment once it's fixed.
-    # libc.include.sys_statvfs
+    libc.include.sys_statvfs
     libc.include.sys_syscall
     libc.include.sys_time
     libc.include.sys_types

libc/newhdrgen/yaml/math.yaml

@@ -64,8 +64,6 @@ functions:
     return_type: double
     arguments:
       - type: double
-    attributes:
-      - __LIBC_CONST_ATTR
   - name: fabsf
     standards: 
       - stdc
@@ -364,6 +362,20 @@ functions:
     arguments:
       - type: double
       - type: double
+  - name: fmull
+    standards:
+      - stdc
+    return_type: float
+    arguments:
+      - type: long double
+      - type: long double
+  - name: dmull
+    standards:
+      - stdc
+    return_type: double
+    arguments:
+      - type: long double
+      - type: long double
   - name: frexp
     standards: 
       - stdc
@@ -1323,6 +1335,30 @@ functions:
       - type: long double
       - type: long double
     guard: LIBC_TYPES_HAS_FLOAT16
+  - name: f16mul
+    standards:
+      - llvm_libc_ext
+    return_type: _Float16
+    arguments:
+      - type: double
+      - type: double
+    guard: LIBC_TYPES_HAS_FLOAT16
+  - name: f16mulf
+    standards:
+      - llvm_libc_ext
+    return_type: _Float16
+    arguments:
+      - type: float
+      - type: float
+    guard: LIBC_TYPES_HAS_FLOAT16
+  - name: f16mull
+    standards:
+      - llvm_libc_ext
+    return_type: _Float16
+    arguments:
+      - type: long double
+      - type: long double
+    guard: LIBC_TYPES_HAS_FLOAT16
   - name: f16sqrt
     standards: 
       - llvm_libc_ext
@@ -1756,6 +1792,14 @@ functions:
       - type: float128
       - type: float128
     guard: LIBC_TYPES_HAS_FLOAT16_AND_FLOAT128
+  - name: f16mulf128
+    standards:
+      - stdc
+    return_type: _Float16
+    arguments:
+      - type: float128
+      - type: float128
+    guard: LIBC_TYPES_HAS_FLOAT16_AND_FLOAT128
   - name: f16sqrtf128
     standards: 
       - llvm_libc_ext
@@ -1896,6 +1940,22 @@ functions:
       - type: float128
       - type: float128
     guard: LIBC_TYPES_HAS_FLOAT128
+  - name: fmulf128
+    standards:
+      - llvm_libc_ext
+    return_type: float
+    arguments:
+      - type: float128
+      - type: float128
+    guard: LIBC_TYPES_HAS_FLOAT128
+  - name: dmulf128
+    standards:
+      - llvm_libc_ext
+    return_type: double
+    arguments:
+      - type: float128
+      - type: float128
+    guard: LIBC_TYPES_HAS_FLOAT128
   - name: frexpf128
     standards: 
       - stdc

libc/newhdrgen/yaml/sys/statvfs.yaml

@@ -2,6 +2,8 @@ header: sys-statvfs.h
 macros: []
 types:
   - type_name: struct_statvfs
+  - type_name: fsblkcnt_t
+  - type_name: fsfilcnt_t
 enums: []
 objects: []
 functions:

libc/src/sys/statvfs/linux/CMakeLists.txt

@@ -8,7 +8,7 @@ add_header_library(
     libc.src.__support.common
     libc.src.__support.CPP.optional
     libc.include.sys_syscall
-    libc.include.llvm-libc-types.struct_statvfs
+    libc.include.sys_statvfs
 )
 
 add_entrypoint_object(
@@ -19,7 +19,7 @@ add_entrypoint_object(
     ../statvfs.h
   DEPENDS
     libc.src.__support.libc_assert
-    libc.include.llvm-libc-types.struct_statvfs
+    libc.include.sys_statvfs
     .statfs_utils
 )
 
@@ -31,7 +31,7 @@ add_entrypoint_object(
     ../fstatvfs.h
   DEPENDS
     libc.src.__support.libc_assert
-    libc.include.llvm-libc-types.struct_statvfs
+    libc.include.sys_statvfs
     .statfs_utils
 )