scripts/atomic/gen-atomic-long.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 ATOMICDIR=$(dirname $0)
   5
   6 . ${ATOMICDIR}/atomic-tbl.sh
   7
   8 #gen_cast(arg, int, atomic)
   9 gen_cast()
  10 {
  11         local arg="$1"; shift
  12         local int="$1"; shift
  13         local atomic="$1"; shift
  14
  15         [ "${arg%%:*}" = "p" ] || return
  16
  17         printf "($(gen_param_type "${arg}" "${int}" "${atomic}"))"
  18 }
  19
  20 #gen_args_cast(int, atomic, arg...)
  21 gen_args_cast()
  22 {
  23         local int="$1"; shift
  24         local atomic="$1"; shift
  25
  26         while [ "$#" -gt 0 ]; do
  27                 local cast="$(gen_cast "$1" "${int}" "${atomic}")"
  28                 local arg="$(gen_param_name "$1")"
  29                 printf "${cast}${arg}"
  30                 [ "$#" -gt 1 ] && printf ", "
  31                 shift;
  32         done
  33 }
  34
  35 #gen_proto_order_variant(meta, pfx, name, sfx, order, arg...)
  36 gen_proto_order_variant()
  37 {
  38         local meta="$1"; shift
  39         local pfx="$1"; shift
  40         local name="$1"; shift
  41         local sfx="$1"; shift
  42         local order="$1"; shift
  43
  44         local atomicname="${pfx}${name}${sfx}${order}"
  45
  46         local ret="$(gen_ret_type "${meta}" "long")"
  47         local params="$(gen_params "long" "atomic_long" "$@")"
  48         local argscast_32="$(gen_args_cast "int" "atomic" "$@")"
  49         local argscast_64="$(gen_args_cast "s64" "atomic64" "$@")"
  50         local retstmt="$(gen_ret_stmt "${meta}")"
  51
  52         gen_kerneldoc "raw_" "${meta}" "${pfx}" "${name}" "${sfx}" "${order}" "atomic_long" "long" "$@"
  53
  54 cat <<EOF
  55 static __always_inline ${ret}
  56 raw_atomic_long_${atomicname}(${params})
  57 {
  58 #ifdef CONFIG_64BIT
  59         ${retstmt}raw_atomic64_${atomicname}(${argscast_64});
  60 #else
  61         ${retstmt}raw_atomic_${atomicname}(${argscast_32});
  62 #endif
  63 }
  64
  65 EOF
  66 }
  67
  68 cat << EOF
  69 // SPDX-License-Identifier: GPL-2.0
  70
  71 // Generated by $0
  72 // DO NOT MODIFY THIS FILE DIRECTLY
  73
  74 #ifndef _LINUX_ATOMIC_LONG_H
  75 #define _LINUX_ATOMIC_LONG_H
  76
  77 #include <linux/compiler.h>
  78 #include <asm/types.h>
  79
  80 #ifdef CONFIG_64BIT
  81 typedef atomic64_t atomic_long_t;
  82 #define ATOMIC_LONG_INIT(i)             ATOMIC64_INIT(i)
  83 #define atomic_long_cond_read_acquire   atomic64_cond_read_acquire
  84 #define atomic_long_cond_read_relaxed   atomic64_cond_read_relaxed
  85 #else
  86 typedef atomic_t atomic_long_t;
  87 #define ATOMIC_LONG_INIT(i)             ATOMIC_INIT(i)
  88 #define atomic_long_cond_read_acquire   atomic_cond_read_acquire
  89 #define atomic_long_cond_read_relaxed   atomic_cond_read_relaxed
  90 #endif
  91
  92 EOF
  93
  94 grep '^[a-z]' "$1" | while read name meta args; do
  95         gen_proto "${meta}" "${name}" ${args}
  96 done
  97
  98 cat <<EOF
  99 #endif /* _LINUX_ATOMIC_LONG_H */
 100 EOF