From 0f834b91a4768673833ab4917e87d86c237bb1a6 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Fri, 23 Mar 2012 10:05:55 +0100
Subject: libX11 xserver fontconfig mesa pixman xkbcomp xkeyboard-config git
 update 23 Mar 2012

---
 xorg-server/hw/xfree86/x86emu/debug.c | 507 +++++++++++++++++++---------------
 1 file changed, 286 insertions(+), 221 deletions(-)

(limited to 'xorg-server/hw/xfree86/x86emu/debug.c')

diff --git a/xorg-server/hw/xfree86/x86emu/debug.c b/xorg-server/hw/xfree86/x86emu/debug.c
index 6dea9c7bc..1a8d1d6c4 100644
--- a/xorg-server/hw/xfree86/x86emu/debug.c
+++ b/xorg-server/hw/xfree86/x86emu/debug.c
@@ -49,46 +49,51 @@
 
 #ifdef DEBUG
 
-static void     print_encoded_bytes (u16 s, u16 o);
-static void     print_decoded_instruction (void);
-static int      parse_line (char *s, int *ps, int *n);
-  
+static void print_encoded_bytes(u16 s, u16 o);
+static void print_decoded_instruction(void);
+static int parse_line(char *s, int *ps, int *n);
+
 /* should look something like debug's output. */
-void X86EMU_trace_regs (void)
+void
+X86EMU_trace_regs(void)
 {
-	if (DEBUG_TRACE()) {
-		x86emu_dump_regs();
+    if (DEBUG_TRACE()) {
+        x86emu_dump_regs();
     }
-	if (DEBUG_DECODE() && ! DEBUG_DECODE_NOPRINT()) {
-		printk("%04x:%04x ",M.x86.saved_cs, M.x86.saved_ip);
-		print_encoded_bytes( M.x86.saved_cs, M.x86.saved_ip);
-		print_decoded_instruction();
+    if (DEBUG_DECODE() && !DEBUG_DECODE_NOPRINT()) {
+        printk("%04x:%04x ", M.x86.saved_cs, M.x86.saved_ip);
+        print_encoded_bytes(M.x86.saved_cs, M.x86.saved_ip);
+        print_decoded_instruction();
     }
 }
 
-void X86EMU_trace_xregs (void)
+void
+X86EMU_trace_xregs(void)
 {
-	if (DEBUG_TRACE()) {
-		x86emu_dump_xregs();
+    if (DEBUG_TRACE()) {
+        x86emu_dump_xregs();
     }
 }
 
-void x86emu_just_disassemble (void)
+void
+x86emu_just_disassemble(void)
 {
     /*
      * This routine called if the flag DEBUG_DISASSEMBLE is set kind
      * of a hack!
      */
-	printk("%04x:%04x ",M.x86.saved_cs, M.x86.saved_ip);
-	print_encoded_bytes( M.x86.saved_cs, M.x86.saved_ip);
-	print_decoded_instruction();
+    printk("%04x:%04x ", M.x86.saved_cs, M.x86.saved_ip);
+    print_encoded_bytes(M.x86.saved_cs, M.x86.saved_ip);
+    print_decoded_instruction();
 }
 
-static void disassemble_forward (u16 seg, u16 off, int n)
+static void
+disassemble_forward(u16 seg, u16 off, int n)
 {
-	X86EMU_sysEnv tregs;
-	int i;
-	u8 op1;
+    X86EMU_sysEnv tregs;
+    int i;
+    u8 op1;
+
     /*
      * hack, hack, hack.  What we do is use the exact machinery set up
      * for execution, except that now there is an additional state
@@ -113,17 +118,17 @@ static void disassemble_forward (u16 seg, u16 off, int n)
      * This was done for an entirely different reason, but makes a
      * nice way to get the system to help debug codes.
      */
-	tregs = M;
+    tregs = M;
     tregs.x86.R_IP = off;
     tregs.x86.R_CS = seg;
-    
+
     /* reset the decoding buffers */
     tregs.x86.enc_str_pos = 0;
     tregs.x86.enc_pos = 0;
-    
+
     /* turn on the "disassemble only, no execute" flag */
     tregs.x86.debug |= DEBUG_DISASSEMBLE_F;
- 
+
     /* DUMP NEXT n instructions to screen in straight_line fashion */
     /*
      * This looks like the regular instruction fetch stream, except
@@ -132,299 +137,359 @@ static void disassemble_forward (u16 seg, u16 off, int n)
      * the instruction.  XXX --- CHECK THAT MEM IS NOT AFFECTED!!!
      * Note the use of a copy of the register structure...
      */
-    for (i=0; i<n; i++) {
-		op1 = (*sys_rdb)(((u32)M.x86.R_CS<<4) + (M.x86.R_IP++));
-		(x86emu_optab[op1])(op1);
+    for (i = 0; i < n; i++) {
+        op1 = (*sys_rdb) (((u32) M.x86.R_CS << 4) + (M.x86.R_IP++));
+        (x86emu_optab[op1]) (op1);
     }
     /* end major hack mode. */
 }
 
-void x86emu_check_ip_access (void)
+void
+x86emu_check_ip_access(void)
 {
     /* NULL as of now */
 }
 
-void x86emu_check_sp_access (void)
+void
+x86emu_check_sp_access(void)
 {
 }
 
-void x86emu_check_mem_access (u32 dummy)
+void
+x86emu_check_mem_access(u32 dummy)
 {
-	/*  check bounds, etc */
+    /*  check bounds, etc */
 }
 
-void x86emu_check_data_access (uint dummy1, uint dummy2)
+void
+x86emu_check_data_access(uint dummy1, uint dummy2)
 {
-	/*  check bounds, etc */
+    /*  check bounds, etc */
 }
 
-void x86emu_inc_decoded_inst_len (int x)
+void
+x86emu_inc_decoded_inst_len(int x)
 {
-	M.x86.enc_pos += x;
+    M.x86.enc_pos += x;
 }
 
-void x86emu_decode_printf (const char *x)
+void
+x86emu_decode_printf(const char *x)
 {
-	sprintf(M.x86.decoded_buf+M.x86.enc_str_pos,"%s",x);
-	M.x86.enc_str_pos += strlen(x);
+    sprintf(M.x86.decoded_buf + M.x86.enc_str_pos, "%s", x);
+    M.x86.enc_str_pos += strlen(x);
 }
 
-void x86emu_decode_printf2 (const char *x, int y)
+void
+x86emu_decode_printf2(const char *x, int y)
 {
-	char temp[100];
-	snprintf(temp,sizeof(temp),x,y);
-	sprintf(M.x86.decoded_buf+M.x86.enc_str_pos,"%s",temp);
-	M.x86.enc_str_pos += strlen(temp);
+    char temp[100];
+
+    snprintf(temp, sizeof(temp), x, y);
+    sprintf(M.x86.decoded_buf + M.x86.enc_str_pos, "%s", temp);
+    M.x86.enc_str_pos += strlen(temp);
 }
 
-void x86emu_end_instr (void)
+void
+x86emu_end_instr(void)
 {
-	M.x86.enc_str_pos = 0;
-	M.x86.enc_pos = 0;
+    M.x86.enc_str_pos = 0;
+    M.x86.enc_pos = 0;
 }
 
-static void print_encoded_bytes (u16 s, u16 o)
+static void
+print_encoded_bytes(u16 s, u16 o)
 {
     int i;
     char buf1[64];
-	for (i=0; i< M.x86.enc_pos; i++) {
-		sprintf(buf1+2*i,"%02x", fetch_data_byte_abs(s,o+i));
+
+    for (i = 0; i < M.x86.enc_pos; i++) {
+        sprintf(buf1 + 2 * i, "%02x", fetch_data_byte_abs(s, o + i));
     }
-	printk("%-20s",buf1);
+    printk("%-20s", buf1);
 }
 
-static void print_decoded_instruction (void)
+static void
+print_decoded_instruction(void)
 {
-	printk("%s", M.x86.decoded_buf);
+    printk("%s", M.x86.decoded_buf);
 }
 
-void x86emu_print_int_vect (u16 iv)
+void
+x86emu_print_int_vect(u16 iv)
 {
-	u16 seg,off;
+    u16 seg, off;
 
-	if (iv > 256) return;
-	seg   = fetch_data_word_abs(0,iv*4);
-	off   = fetch_data_word_abs(0,iv*4+2);
-	printk("%04x:%04x ", seg, off);
+    if (iv > 256)
+        return;
+    seg = fetch_data_word_abs(0, iv * 4);
+    off = fetch_data_word_abs(0, iv * 4 + 2);
+    printk("%04x:%04x ", seg, off);
 }
 
-void X86EMU_dump_memory (u16 seg, u16 off, u32 amt)
+void
+X86EMU_dump_memory(u16 seg, u16 off, u32 amt)
 {
-	u32 start = off & 0xfffffff0;
-	u32 end  = (off+16) & 0xfffffff0;
-	u32 i;
-	u32 current;
-
-	current = start;
-	while (end <= off + amt) {
-		printk("%04x:%04x ", seg, start);
-		for (i=start; i< off; i++)
-		  printk("   ");
-		for (       ; i< end; i++)
-		  printk("%02x ", fetch_data_byte_abs(seg,i));
-		printk("\n");
-		start = end;
-		end = start + 16;
-	}
+    u32 start = off & 0xfffffff0;
+    u32 end = (off + 16) & 0xfffffff0;
+    u32 i;
+    u32 current;
+
+    current = start;
+    while (end <= off + amt) {
+        printk("%04x:%04x ", seg, start);
+        for (i = start; i < off; i++)
+            printk("   ");
+        for (; i < end; i++)
+            printk("%02x ", fetch_data_byte_abs(seg, i));
+        printk("\n");
+        start = end;
+        end = start + 16;
+    }
 }
 
-void x86emu_single_step (void)
+void
+x86emu_single_step(void)
 {
     char s[1024];
     int ps[10];
     int ntok;
     int cmd;
     int done;
-		int segment;
+    int segment;
     int offset;
     static int breakpoint;
     static int noDecode = 1;
-    
+
     char *p;
 
-		if (DEBUG_BREAK()) {
-				if (M.x86.saved_ip != breakpoint) {
-						return;
-				} else {
- 	          M.x86.debug &= ~DEBUG_DECODE_NOPRINT_F;
-						M.x86.debug |= DEBUG_TRACE_F;
-						M.x86.debug &= ~DEBUG_BREAK_F;
-						print_decoded_instruction ();
-						X86EMU_trace_regs();
-				}
-		}
-    done=0;
-	offset = M.x86.saved_ip;
+    if (DEBUG_BREAK()) {
+        if (M.x86.saved_ip != breakpoint) {
+            return;
+        }
+        else {
+            M.x86.debug &= ~DEBUG_DECODE_NOPRINT_F;
+            M.x86.debug |= DEBUG_TRACE_F;
+            M.x86.debug &= ~DEBUG_BREAK_F;
+            print_decoded_instruction();
+            X86EMU_trace_regs();
+        }
+    }
+    done = 0;
+    offset = M.x86.saved_ip;
     while (!done) {
         printk("-");
         p = fgets(s, 1023, stdin);
         cmd = parse_line(s, ps, &ntok);
-        switch(cmd) {
-          case 'u':
-			disassemble_forward(M.x86.saved_cs,(u16)offset,10);
+        switch (cmd) {
+        case 'u':
+            disassemble_forward(M.x86.saved_cs, (u16) offset, 10);
             break;
-          case 'd':  
-							if (ntok == 2) {
-									segment = M.x86.saved_cs;
-									offset = ps[1];
-									X86EMU_dump_memory(segment,(u16)offset,16);
-									offset += 16;
-							} else if (ntok == 3) {
-									segment = ps[1];
-									offset = ps[2];
-									X86EMU_dump_memory(segment,(u16)offset,16);
-									offset += 16;
-							} else {
-									segment = M.x86.saved_cs;
-									X86EMU_dump_memory(segment,(u16)offset,16);
-									offset += 16;
-							}
+        case 'd':
+            if (ntok == 2) {
+                segment = M.x86.saved_cs;
+                offset = ps[1];
+                X86EMU_dump_memory(segment, (u16) offset, 16);
+                offset += 16;
+            }
+            else if (ntok == 3) {
+                segment = ps[1];
+                offset = ps[2];
+                X86EMU_dump_memory(segment, (u16) offset, 16);
+                offset += 16;
+            }
+            else {
+                segment = M.x86.saved_cs;
+                X86EMU_dump_memory(segment, (u16) offset, 16);
+                offset += 16;
+            }
             break;
-          case 'c':
-			M.x86.debug ^= DEBUG_TRACECALL_F;
+        case 'c':
+            M.x86.debug ^= DEBUG_TRACECALL_F;
             break;
-          case 's':
-			M.x86.debug ^= DEBUG_SVC_F | DEBUG_SYS_F | DEBUG_SYSINT_F;
+        case 's':
+            M.x86.debug ^= DEBUG_SVC_F | DEBUG_SYS_F | DEBUG_SYSINT_F;
             break;
-          case 'r':
-			X86EMU_trace_regs();
+        case 'r':
+            X86EMU_trace_regs();
             break;
-          case 'x':
-			X86EMU_trace_xregs();
+        case 'x':
+            X86EMU_trace_xregs();
             break;
-          case 'g':
+        case 'g':
             if (ntok == 2) {
                 breakpoint = ps[1];
-		if (noDecode) {
-		                M.x86.debug |= DEBUG_DECODE_NOPRINT_F;
-		} else {
-		                M.x86.debug &= ~DEBUG_DECODE_NOPRINT_F;
-		}
-		M.x86.debug &= ~DEBUG_TRACE_F;
-		M.x86.debug |= DEBUG_BREAK_F;
-		done = 1;
+                if (noDecode) {
+                    M.x86.debug |= DEBUG_DECODE_NOPRINT_F;
+                }
+                else {
+                    M.x86.debug &= ~DEBUG_DECODE_NOPRINT_F;
+                }
+                M.x86.debug &= ~DEBUG_TRACE_F;
+                M.x86.debug |= DEBUG_BREAK_F;
+                done = 1;
             }
             break;
-          case 'q':
-          M.x86.debug |= DEBUG_EXIT;
-          return;
-	  case 'P':
-	      noDecode = (noDecode)?0:1;
-	      printk("Toggled decoding to %s\n",(noDecode)?"FALSE":"TRUE");
-	      break;
-          case 't':
-	  case 0:
+        case 'q':
+            M.x86.debug |= DEBUG_EXIT;
+            return;
+        case 'P':
+            noDecode = (noDecode) ? 0 : 1;
+            printk("Toggled decoding to %s\n", (noDecode) ? "FALSE" : "TRUE");
+            break;
+        case 't':
+        case 0:
             done = 1;
             break;
-        }   
+        }
     }
 }
 
-int X86EMU_trace_on(void)
+int
+X86EMU_trace_on(void)
 {
-	return M.x86.debug |= DEBUG_STEP_F | DEBUG_DECODE_F | DEBUG_TRACE_F;
+    return M.x86.debug |= DEBUG_STEP_F | DEBUG_DECODE_F | DEBUG_TRACE_F;
 }
 
-int X86EMU_trace_off(void)
+int
+X86EMU_trace_off(void)
 {
-	return M.x86.debug &= ~(DEBUG_STEP_F | DEBUG_DECODE_F | DEBUG_TRACE_F);
+    return M.x86.debug &= ~(DEBUG_STEP_F | DEBUG_DECODE_F | DEBUG_TRACE_F);
 }
 
-static int parse_line (char *s, int *ps, int *n)
+static int
+parse_line(char *s, int *ps, int *n)
 {
     int cmd;
 
     *n = 0;
-    while(*s == ' ' || *s == '\t') s++;
+    while (*s == ' ' || *s == '\t')
+        s++;
     ps[*n] = *s;
     switch (*s) {
-      case '\n':
+    case '\n':
         *n += 1;
         return 0;
-      default:
+    default:
         cmd = *s;
         *n += 1;
     }
 
-	while (1) {
-		while (*s != ' ' && *s != '\t' && *s != '\n')  s++;
-		
-		if (*s == '\n')
-			return cmd;
-		
-		while(*s == ' ' || *s == '\t') s++;
-		
-		sscanf(s,"%x",&ps[*n]);
-		*n += 1;
-	}
+    while (1) {
+        while (*s != ' ' && *s != '\t' && *s != '\n')
+            s++;
+
+        if (*s == '\n')
+            return cmd;
+
+        while (*s == ' ' || *s == '\t')
+            s++;
+
+        sscanf(s, "%x", &ps[*n]);
+        *n += 1;
+    }
 }
 
-#endif /* DEBUG */
+#endif                          /* DEBUG */
 
-void x86emu_dump_regs (void)
+void
+x86emu_dump_regs(void)
 {
-	printk("\tAX=%04x  ", M.x86.R_AX );
-	printk("BX=%04x  ", M.x86.R_BX );
-	printk("CX=%04x  ", M.x86.R_CX );
-	printk("DX=%04x  ", M.x86.R_DX );
-	printk("SP=%04x  ", M.x86.R_SP );
-	printk("BP=%04x  ", M.x86.R_BP );
-	printk("SI=%04x  ", M.x86.R_SI );
-	printk("DI=%04x\n", M.x86.R_DI );
-	printk("\tDS=%04x  ", M.x86.R_DS );
-	printk("ES=%04x  ", M.x86.R_ES );
-	printk("SS=%04x  ", M.x86.R_SS );
-	printk("CS=%04x  ", M.x86.R_CS );
-	printk("IP=%04x   ", M.x86.R_IP );
-	if (ACCESS_FLAG(F_OF))    printk("OV ");     /* CHECKED... */
-	else                        printk("NV ");
-	if (ACCESS_FLAG(F_DF))    printk("DN ");
-	else                        printk("UP ");
-	if (ACCESS_FLAG(F_IF))    printk("EI ");
-	else                        printk("DI ");
-	if (ACCESS_FLAG(F_SF))    printk("NG ");
-	else                        printk("PL ");
-	if (ACCESS_FLAG(F_ZF))    printk("ZR ");
-	else                        printk("NZ ");
-	if (ACCESS_FLAG(F_AF))    printk("AC ");
-	else                        printk("NA ");
-	if (ACCESS_FLAG(F_PF))    printk("PE ");
-	else                        printk("PO ");
-	if (ACCESS_FLAG(F_CF))    printk("CY ");
-	else                        printk("NC ");
-	printk("\n");
+    printk("\tAX=%04x  ", M.x86.R_AX);
+    printk("BX=%04x  ", M.x86.R_BX);
+    printk("CX=%04x  ", M.x86.R_CX);
+    printk("DX=%04x  ", M.x86.R_DX);
+    printk("SP=%04x  ", M.x86.R_SP);
+    printk("BP=%04x  ", M.x86.R_BP);
+    printk("SI=%04x  ", M.x86.R_SI);
+    printk("DI=%04x\n", M.x86.R_DI);
+    printk("\tDS=%04x  ", M.x86.R_DS);
+    printk("ES=%04x  ", M.x86.R_ES);
+    printk("SS=%04x  ", M.x86.R_SS);
+    printk("CS=%04x  ", M.x86.R_CS);
+    printk("IP=%04x   ", M.x86.R_IP);
+    if (ACCESS_FLAG(F_OF))
+        printk("OV ");          /* CHECKED... */
+    else
+        printk("NV ");
+    if (ACCESS_FLAG(F_DF))
+        printk("DN ");
+    else
+        printk("UP ");
+    if (ACCESS_FLAG(F_IF))
+        printk("EI ");
+    else
+        printk("DI ");
+    if (ACCESS_FLAG(F_SF))
+        printk("NG ");
+    else
+        printk("PL ");
+    if (ACCESS_FLAG(F_ZF))
+        printk("ZR ");
+    else
+        printk("NZ ");
+    if (ACCESS_FLAG(F_AF))
+        printk("AC ");
+    else
+        printk("NA ");
+    if (ACCESS_FLAG(F_PF))
+        printk("PE ");
+    else
+        printk("PO ");
+    if (ACCESS_FLAG(F_CF))
+        printk("CY ");
+    else
+        printk("NC ");
+    printk("\n");
 }
 
-void x86emu_dump_xregs (void)
+void
+x86emu_dump_xregs(void)
 {
-	printk("\tEAX=%08x  ", M.x86.R_EAX );
-	printk("EBX=%08x  ", M.x86.R_EBX );
-	printk("ECX=%08x  ", M.x86.R_ECX );
-	printk("EDX=%08x  \n", M.x86.R_EDX );
-	printk("\tESP=%08x  ", M.x86.R_ESP );
-	printk("EBP=%08x  ", M.x86.R_EBP );
-	printk("ESI=%08x  ", M.x86.R_ESI );
-	printk("EDI=%08x\n", M.x86.R_EDI );
-	printk("\tDS=%04x  ", M.x86.R_DS );
-	printk("ES=%04x  ", M.x86.R_ES );
-	printk("SS=%04x  ", M.x86.R_SS );
-	printk("CS=%04x  ", M.x86.R_CS );
-	printk("EIP=%08x\n\t", M.x86.R_EIP );
-	if (ACCESS_FLAG(F_OF))    printk("OV ");     /* CHECKED... */
-	else                        printk("NV ");
-	if (ACCESS_FLAG(F_DF))    printk("DN ");
-	else                        printk("UP ");
-	if (ACCESS_FLAG(F_IF))    printk("EI ");
-	else                        printk("DI ");
-	if (ACCESS_FLAG(F_SF))    printk("NG ");
-	else                        printk("PL ");
-	if (ACCESS_FLAG(F_ZF))    printk("ZR ");
-	else                        printk("NZ ");
-	if (ACCESS_FLAG(F_AF))    printk("AC ");
-	else                        printk("NA ");
-	if (ACCESS_FLAG(F_PF))    printk("PE ");
-	else                        printk("PO ");
-	if (ACCESS_FLAG(F_CF))    printk("CY ");
-	else                        printk("NC ");
-	printk("\n");
+    printk("\tEAX=%08x  ", M.x86.R_EAX);
+    printk("EBX=%08x  ", M.x86.R_EBX);
+    printk("ECX=%08x  ", M.x86.R_ECX);
+    printk("EDX=%08x  \n", M.x86.R_EDX);
+    printk("\tESP=%08x  ", M.x86.R_ESP);
+    printk("EBP=%08x  ", M.x86.R_EBP);
+    printk("ESI=%08x  ", M.x86.R_ESI);
+    printk("EDI=%08x\n", M.x86.R_EDI);
+    printk("\tDS=%04x  ", M.x86.R_DS);
+    printk("ES=%04x  ", M.x86.R_ES);
+    printk("SS=%04x  ", M.x86.R_SS);
+    printk("CS=%04x  ", M.x86.R_CS);
+    printk("EIP=%08x\n\t", M.x86.R_EIP);
+    if (ACCESS_FLAG(F_OF))
+        printk("OV ");          /* CHECKED... */
+    else
+        printk("NV ");
+    if (ACCESS_FLAG(F_DF))
+        printk("DN ");
+    else
+        printk("UP ");
+    if (ACCESS_FLAG(F_IF))
+        printk("EI ");
+    else
+        printk("DI ");
+    if (ACCESS_FLAG(F_SF))
+        printk("NG ");
+    else
+        printk("PL ");
+    if (ACCESS_FLAG(F_ZF))
+        printk("ZR ");
+    else
+        printk("NZ ");
+    if (ACCESS_FLAG(F_AF))
+        printk("AC ");
+    else
+        printk("NA ");
+    if (ACCESS_FLAG(F_PF))
+        printk("PE ");
+    else
+        printk("PO ");
+    if (ACCESS_FLAG(F_CF))
+        printk("CY ");
+    else
+        printk("NC ");
+    printk("\n");
 }
-- 
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