winedbg: Implement printing the Program Status Register
André Hentschel
nerv at dawncrow.de
Mon May 2 15:40:00 CDT 2011
---
programs/winedbg/be_arm.c | 30 ++++++++++++++++++++++++++++--
1 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/programs/winedbg/be_arm.c b/programs/winedbg/be_arm.c
index f34ecc7..f71514c 100644
--- a/programs/winedbg/be_arm.c
+++ b/programs/winedbg/be_arm.c
@@ -57,9 +57,35 @@ static void be_arm_single_step(CONTEXT* ctx, unsigned enable)
static void be_arm_print_context(HANDLE hThread, const CONTEXT* ctx, int all_regs)
{
+ static const char condflags[] = "NZCV";
+ int i;
+ char buf[8];
+
+ switch (ctx->Cpsr & 0x1F)
+ {
+ case 0: strcpy(buf, "User26"); break;
+ case 1: strcpy(buf, "FIQ26"); break;
+ case 2: strcpy(buf, "IRQ26"); break;
+ case 3: strcpy(buf, "SVC26"); break;
+ case 16: strcpy(buf, "User"); break;
+ case 17: strcpy(buf, "FIQ"); break;
+ case 18: strcpy(buf, "IRQ"); break;
+ case 19: strcpy(buf, "SVC"); break;
+ case 23: strcpy(buf, "ABT"); break;
+ case 27: strcpy(buf, "UND"); break;
+ default: strcpy(buf, "UNKNWN"); break;
+ }
+
dbg_printf("Register dump:\n");
- dbg_printf(" Pc:%04x Sp:%04x Lr:%04x Cpsr:%04x\n",
- ctx->Pc, ctx->Sp, ctx->Lr, ctx->Cpsr);
+ dbg_printf("%s %s Mode\n", (ctx->Cpsr & 0x20) ? "Thumb" : "ARM", buf);
+
+ strcpy(buf, condflags);
+ for (i = 0; buf[i]; i++)
+ if (!((ctx->Cpsr >> 26) & (1 << (sizeof(condflags) - i))))
+ buf[i] = '-';
+
+ dbg_printf(" Pc:%04x Sp:%04x Lr:%04x Cpsr:%04x(%s)\n",
+ ctx->Pc, ctx->Sp, ctx->Lr, ctx->Cpsr, buf);
dbg_printf(" r0:%04x r1:%04x r2:%04x r3:%04x\n",
ctx->R0, ctx->R1, ctx->R2, ctx->R3);
dbg_printf(" r4:%04x r5:%04x r6:%04x r7:%04x r8:%04x\n",
--
Best Regards, André Hentschel
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