teach gcc about our kprintf and syslog format attributes

1 files changed, 62 insertions, 0 deletions

diff --git a/gnu/gcc/gcc/c-format.c b/gnu/gcc/gcc/c-format.c
index 403724e5e11..a81559ff0e7 100644
--- a/gnu/gcc/gcc/c-format.c
+++ b/gnu/gcc/gcc/c-format.c
@@ -58,6 +58,7 @@ set_Wformat (int setting)
    format_type_error.  Target-specific format types do not have
    matching enum values.  */
 enum format_type { printf_format_type, asm_fprintf_format_type,
+		   kprintf_format_type, syslog_format_type,
 		   gcc_diag_format_type, gcc_tdiag_format_type,
 		   gcc_cdiag_format_type,
 		   gcc_cxxdiag_format_type, gcc_gfc_format_type,
@@ -312,6 +313,15 @@ static const format_length_info gcc_diag_length_specs[] =
   { NULL, 0, 0, NULL, 0, 0 }
 };
 
+static const format_length_info kprintf_length_specs[] =
+{
+  { "h", FMT_LEN_h, STD_C89, NULL, 0, 0 },
+  { "l", FMT_LEN_l, STD_C89, "ll", FMT_LEN_ll, STD_C9L },
+  { "q", FMT_LEN_ll, STD_EXT, NULL, 0, 0 },
+  { "L", FMT_LEN_L, STD_C89, NULL, 0, 0 },
+  { NULL, 0, 0, NULL, 0, 0 }
+};
+
 /* The custom diagnostics all accept the same length specifiers.  */
 #define gcc_tdiag_length_specs gcc_diag_length_specs
 #define gcc_cdiag_length_specs gcc_diag_length_specs
@@ -533,6 +543,46 @@ static const format_char_info asm_fprintf_char_table[] =
   { NULL,  0, 0, NOLENGTHS, NULL, NULL, NULL }
 };
 
+static const format_char_info kprint_char_table[] = 
+{ 
+  /* C89 conversion specifiers.  */ 
+  { "di",  0, STD_C89, { T89_I,   T99_SC,  T89_S,   T89_L,   T9L_LL,  TEX_LL,  T99_SST, T99_PD,  T99_IM  }, "-wp0 +'I", "i", NULL }, 
+  { "oxX", 0, STD_C89, { T89_UI,  T99_UC,  T89_US,  T89_UL,  T9L_ULL, TEX_ULL, T99_ST,  T99_UPD, T99_UIM }, "-wp0#",    "i", NULL }, 
+  { "u",   0, STD_C89, { T89_UI,  T99_UC,  T89_US,  T89_UL,  T9L_ULL, TEX_ULL, T99_ST,  T99_UPD, T99_UIM }, "-wp0'I",   "i", NULL }, 
+  { "c",   0, STD_C89, { T89_I,   BADLEN,  BADLEN,  T94_WI,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-w",       "", NULL }, 
+  { "s",   1, STD_C89, { T89_C,   BADLEN,  BADLEN,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp",      "cR", NULL }, 
+  { "p",   1, STD_C89, { T89_V,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-w",       "c", NULL }, 
+/* Kernel bitmap formatting */ 
+  { "b",   1, STD_C89, { T89_C,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "",		"", NULL },
+/* Kernel recursive format */ 
+  { ":",   1, STD_C89, { T89_V,	  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "",		"", NULL },
+/* Kernel debugger auto-radix printing */ 
+  { "nrz", 0, STD_C89, { T89_I,	  T89_I,   T89_I,   T89_L,   T9L_LL,  TEX_LL,  BADLEN,	BADLEN,  BADLEN }, "-wp0# +",	"", NULL }, 
+  { NULL,  0, 0, NOLENGTHS, NULL, NULL, NULL } 
+};
+
+static const format_char_info syslog_char_table[] =
+{
+  /* C89 conversion specifiers.  */
+  { "di",  0, STD_C89, { T89_I,   T99_SC,  T89_S,   T89_L,   T9L_LL,  TEX_LL,  T99_SST, T99_PD,  T99_IM  }, "-wp0 +'I", "i", NULL },
+  { "oxX", 0, STD_C89, { T89_UI,  T99_UC,  T89_US,  T89_UL,  T9L_ULL, TEX_ULL, T99_ST,  T99_UPD, T99_UIM }, "-wp0#",    "i", NULL },
+  { "u",   0, STD_C89, { T89_UI,  T99_UC,  T89_US,  T89_UL,  T9L_ULL, TEX_ULL, T99_ST,  T99_UPD, T99_UIM }, "-wp0'I",   "i", NULL },
+  { "fgG", 0, STD_C89, { T89_D,   BADLEN,  BADLEN,  T99_D,   BADLEN,  T89_LD,  BADLEN,  BADLEN,  BADLEN  }, "-wp0 +#'", "", NULL },
+  { "eE",  0, STD_C89, { T89_D,   BADLEN,  BADLEN,  T99_D,   BADLEN,  T89_LD,  BADLEN,  BADLEN,  BADLEN  }, "-wp0 +#",  "", NULL },
+  { "c",   0, STD_C89, { T89_I,   BADLEN,  BADLEN,  T94_WI,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-w",       "", NULL },
+  { "s",   1, STD_C89, { T89_C,   BADLEN,  BADLEN,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp",      "cR", NULL },
+  { "p",   1, STD_C89, { T89_V,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-w",       "c", NULL },
+  { "n",   1, STD_C89, { T89_I,   T99_SC,  T89_S,   T89_L,   T9L_LL,  BADLEN,  T99_SST, T99_PD,  T99_IM  }, "",         "W", NULL },
+  /* C99 conversion specifiers.  */
+  { "F",   0, STD_C99, { T99_D,   BADLEN,  BADLEN,  T99_D,   BADLEN,  T99_LD,  BADLEN,  BADLEN,  BADLEN  }, "-wp0 +#'", "", NULL },
+  { "aA",  0, STD_C99, { T99_D,   BADLEN,  BADLEN,  T99_D,   BADLEN,  T99_LD,  BADLEN,  BADLEN,  BADLEN  }, "-wp0 +#",  "", NULL },
+  /* X/Open conversion specifiers.  */
+  { "C",   0, STD_EXT, { TEX_WI,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-w",       "", NULL },
+  { "S",   1, STD_EXT, { TEX_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp",      "R", NULL },
+  { "m",   0, STD_C89, { T89_V,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp",      "", NULL },
+  { NULL,  0, 0, NOLENGTHS, NULL, NULL, NULL }
+};
+
 static const format_char_info gcc_diag_char_table[] =
 {
   /* C89 conversion specifiers.  */
@@ -714,6 +764,18 @@ static const format_kind_info format_types_orig[] =
     'w', 0, 'p', 0, 'L',
     NULL, NULL
   },
+  { "kprintf",   kprintf_length_specs,  kprint_char_table, " +#0-'I", NULL,  
+    printf_flag_specs, printf_flag_pairs, 
+    FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK, 
+    'w', 0, 'p', 0, 'L', 
+    &integer_type_node, &integer_type_node 
+  }, 
+  { "syslog",   printf_length_specs,  syslog_char_table, " +#0-'I", NULL,
+    printf_flag_specs, printf_flag_pairs,
+    FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK,
+    'w', 0, 'p', 0, 'L',
+    &integer_type_node, &integer_type_node
+  },
   { "gcc_diag",   gcc_diag_length_specs,  gcc_diag_char_table, "q+", NULL,
     gcc_diag_flag_specs, gcc_diag_flag_pairs,
     FMT_FLAG_ARG_CONVERT,