Changeset 47172 in vbox

Timestamp:

Jul 15, 2013 11:24:11 PM (12 years ago)

Author:

vboxsync

Message:

Started on exception dispatching testcase to check rare paths.

Location:

trunk/include/iprt

Files:

• asmdefs.mac (modified) (6 diffs)
• x86.h (modified) (1 diff)

trunk/include/iprt/asmdefs.mac

@@ -73 +73 @@
 
 ;;
+; Makes a 32-bit unsigned (not type safe, but whatever) out of four byte values.
+%define RT_MAKE_U32_FROM_U8(b0, b1, b2, b3) ( (b3 << 24) | (b2 << 16) | (b1 << 8) | b0) )
+
+
+;;
 ; Align code, pad with INT3.
 %define ALIGNCODE(alignment) align alignment, db 0cch
@@ -297 +302 @@
 %ifdef ASM_FORMAT_MACHO
  %ifdef __YASM__
- [section .text]
- [section .data]
+  section .text
+  section .data
  %endif
 %endif
@@ -311 +316 @@
 %else
 %macro BEGINCODE 0
-[section .text]
+ section .text
 %endmacro
 %endif
@@ -328 +333 @@
  %macro BEGINCONST 0
   %ifdef ASM_FORMAT_MACHO ;; @todo check the other guys too.
-   [section .rodata]
+   section .rodata
   %else
-   [section .text]
+   section .text
   %endif
  %endmacro
@@ -343 +348 @@
 %else
 %macro BEGINDATA 0
-[section .data]
+ section .data
 %endmacro
 %endif
@@ -355 +360 @@
 %else
 %macro BEGINBSS 0
-[section .bss]
+ section .bss
 %endmacro
 %endif

trunk/include/iprt/x86.h

@@ -2281 +2281 @@
 typedef struct X86DESCGENERIC
 {
-    /** Limit - Low word. */
+    /** 00 - Limit - Low word. */
     unsigned    u16LimitLow : 16;
-    /** Base address - lowe word.
+    /** 10 - Base address - lowe word.
      * Don't try set this to 24 because MSC is doing stupid things then. */
     unsigned    u16BaseLow : 16;
-    /** Base address - first 8 bits of high word. */
+    /** 20 - Base address - first 8 bits of high word. */
     unsigned    u8BaseHigh1 : 8;
-    /** Segment Type. */
+    /** 28 - Segment Type. */
     unsigned    u4Type : 4;
-    /** Descriptor Type. System(=0) or code/data selector */
+    /** 2c - Descriptor Type. System(=0) or code/data selector */
     unsigned    u1DescType : 1;
-    /** Descriptor Privelege level. */
+    /** 2d - Descriptor Privelege level. */
     unsigned    u2Dpl : 2;
-    /** Flags selector present(=1) or not. */
+    /** 2f - Flags selector present(=1) or not. */
     unsigned    u1Present : 1;
-    /** Segment limit 16-19. */
+    /** 30 - Segment limit 16-19. */
     unsigned    u4LimitHigh : 4;
-    /** Available for system software. */
+    /** 34 - Available for system software. */
     unsigned    u1Available : 1;
-    /** 32 bits mode: Reserved - 0, long mode: Long Attribute Bit. */
+    /** 35 - 32 bits mode: Reserved - 0, long mode: Long Attribute Bit. */
     unsigned    u1Long : 1;
-    /** This flags meaning depends on the segment type. Try make sense out
+    /** 36 - This flags meaning depends on the segment type. Try make sense out
      * of the intel manual yourself.  */
     unsigned    u1DefBig : 1;
-    /** Granularity of the limit. If set 4KB granularity is used, if
+    /** 37 - Granularity of the limit. If set 4KB granularity is used, if
      * clear byte. */
     unsigned    u1Granularity : 1;
-    /** Base address - highest 8 bits. */
+    /** 38 - Base address - highest 8 bits. */
     unsigned    u8BaseHigh2 : 8;
 } X86DESCGENERIC;