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| author | Joe Soroka <gits@joesoroka.com> | 2011-04-06 09:17:03 -0700 |
|---|---|---|
| committer | Joe Soroka <gits@joesoroka.com> | 2011-04-06 09:17:03 -0700 |
| commit | ace0f7f2598f5e9d9d2ad8999e3140b8535d9459 (patch) | |
| tree | 0a763fdf00c10cedc7d968d4d99d2db92b0c2635 /tcc-doc.texi | |
| parent | 17571298f30bf204fafe9cf1aca5258d2d087d63 (diff) | |
| download | tinycc-ace0f7f2598f5e9d9d2ad8999e3140b8535d9459.tar.gz tinycc-ace0f7f2598f5e9d9d2ad8999e3140b8535d9459.tar.bz2 | |
re-apply VLA by Thomas Preud'homme
Diffstat (limited to 'tcc-doc.texi')
| -rw-r--r-- | tcc-doc.texi | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/tcc-doc.texi b/tcc-doc.texi index 8c91d0f..2804d57 100644 --- a/tcc-doc.texi +++ b/tcc-doc.texi @@ -929,9 +929,13 @@ be the best solution. #define VT_BTYPE 0x000f /* mask for basic type */ #define VT_UNSIGNED 0x0010 /* unsigned type */ #define VT_ARRAY 0x0020 /* array type (also has VT_PTR) */ +#define VT_VLA 0x20000 /* VLA type (also has VT_PTR and VT_ARRAY) */ #define VT_BITFIELD 0x0040 /* bitfield modifier */ +#define VT_CONSTANT 0x0800 /* const modifier */ +#define VT_VOLATILE 0x1000 /* volatile modifier */ +#define VT_SIGNED 0x2000 /* signed type */ -#define VT_STRUCT_SHIFT 17 /* structure/enum name shift (14 bits left) */ +#define VT_STRUCT_SHIFT 18 /* structure/enum name shift (14 bits left) */ @end example When a reference to another type is needed (for pointers, functions and @@ -942,7 +946,8 @@ The @code{VT_UNSIGNED} flag can be set for chars, shorts, ints and long longs. Arrays are considered as pointers @code{VT_PTR} with the flag -@code{VT_ARRAY} set. +@code{VT_ARRAY} set. Variable length arrays are considered as special +arrays and therefore also have flag @code{VT_VLA} set. The @code{VT_BITFIELD} flag can be set for chars, shorts, ints and long longs. If it is set, then the bitfield position is stored from bits @@ -958,6 +963,10 @@ integer: #define VT_EXTERN 0x00000080 /* extern definition */ #define VT_STATIC 0x00000100 /* static variable */ #define VT_TYPEDEF 0x00000200 /* typedef definition */ +#define VT_INLINE 0x00000400 /* inline definition */ +#define VT_IMPORT 0x00004000 /* win32: extern data imported from dll */ +#define VT_EXPORT 0x00008000 /* win32: data exported from dll */ +#define VT_WEAK 0x00010000 /* win32: data exported from dll */ @end example @section Symbols @@ -969,7 +978,10 @@ contains @code{Sym} structures. an idenfier is also a token, so a string is never necessary to store it). @code{Sym.t} gives the type of the symbol. @code{Sym.r} is usually the register in which the corresponding variable is stored. @code{Sym.c} is -usually a constant associated to the symbol. +usually a constant associated to the symbol like its address for normal +symbols, and the number of entries for symbols representing arrays. +Variable length arrays use @code{Sym.r} instead, which is a pointer to +a @code{SValue} holding its runtime size. Four main symbol stacks are defined: |