include/qemu: rename Windows context definitions to expose bitness

Context structure in 64-bit Windows differs from 32-bit one and it
should be reflected in its name.
Signed-off-by: NViktor Prutyanov <viktor.prutyanov@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220406171558.199263-2-viktor.prutyanov@redhat.com>

contrib/elf2dmp/main.c

@@ -141,10 +141,10 @@ static KDDEBUGGER_DATA64 *get_kdbg(uint64_t KernBase, struct pdb_reader *pdb,
     return kdbg;
 }
 
-static void win_context_init_from_qemu_cpu_state(WinContext *ctx,
+static void win_context_init_from_qemu_cpu_state(WinContext64 *ctx,
         QEMUCPUState *s)
 {
-    WinContext win_ctx = (WinContext){
+    WinContext64 win_ctx = (WinContext64){
         .ContextFlags = WIN_CTX_X64 | WIN_CTX_INT | WIN_CTX_SEG | WIN_CTX_CTL,
         .MxCsr = INITIAL_MXCSR,
 
@@ -302,7 +302,7 @@ static int fill_context(KDDEBUGGER_DATA64 *kdbg,
     for (i = 0; i < qe->state_nr; i++) {
         uint64_t Prcb;
         uint64_t Context;
-        WinContext ctx;
+        WinContext64 ctx;
         QEMUCPUState *s = qe->state[i];
 
         if (va_space_rw(vs, kdbg->KiProcessorBlock + sizeof(Prcb) * i,

dump/win_dump.c

@@ -188,7 +188,7 @@ try_again:
 }
 
 struct saved_context {
-    WinContext ctx;
+    WinContext64 ctx;
     uint64_t addr;
 };
 
@@ -220,7 +220,7 @@ static void patch_and_save_context(WinDumpHeader64 *h,
         CPUX86State *env = &x86_cpu->env;
         uint64_t Prcb;
         uint64_t Context;
-        WinContext ctx;
+        WinContext64 ctx;
 
         if (cpu_memory_rw_debug(first_cpu,
                 KiProcessorBlock + i * sizeof(uint64_t),
@@ -240,8 +240,8 @@ static void patch_and_save_context(WinDumpHeader64 *h,
 
         saved_ctx[i].addr = Context;
 
-        ctx = (WinContext){
-            .ContextFlags = WIN_CTX_ALL,
+        ctx = (WinContext64){
+            .ContextFlags = WIN_CTX64_ALL,
             .MxCsr = env->mxcsr,
 
             .SegEs = env->segs[0].selector,
@@ -283,13 +283,13 @@ static void patch_and_save_context(WinDumpHeader64 *h,
         };
 
         if (cpu_memory_rw_debug(first_cpu, Context,
-                (uint8_t *)&saved_ctx[i].ctx, sizeof(WinContext), 0)) {
+                (uint8_t *)&saved_ctx[i].ctx, sizeof(WinContext64), 0)) {
             error_setg(errp, "win-dump: failed to save CPU #%d context", i);
             return;
         }
 
         if (cpu_memory_rw_debug(first_cpu, Context,
-                (uint8_t *)&ctx, sizeof(WinContext), 1)) {
+                (uint8_t *)&ctx, sizeof(WinContext64), 1)) {
             error_setg(errp, "win-dump: failed to write CPU #%d context", i);
             return;
         }
@@ -305,7 +305,7 @@ static void restore_context(WinDumpHeader64 *h,
 
     for (i = 0; i < h->NumberProcessors; i++) {
         if (cpu_memory_rw_debug(first_cpu, saved_ctx[i].addr,
-                (uint8_t *)&saved_ctx[i].ctx, sizeof(WinContext), 1)) {
+                (uint8_t *)&saved_ctx[i].ctx, sizeof(WinContext64), 1)) {
             warn_report("win-dump: failed to restore CPU #%d context", i);
         }
     }

include/qemu/win_dump_defs.h

@@ -97,8 +97,8 @@ typedef struct WinDumpHeader64 {
 #define WIN_CTX_FP  0x00000008L
 #define WIN_CTX_DBG 0x00000010L
 
-#define WIN_CTX_FULL    (WIN_CTX_X64 | WIN_CTX_CTL | WIN_CTX_INT | WIN_CTX_FP)
-#define WIN_CTX_ALL     (WIN_CTX_FULL | WIN_CTX_SEG | WIN_CTX_DBG)
+#define WIN_CTX64_FULL  (WIN_CTX_X64 | WIN_CTX_CTL | WIN_CTX_INT | WIN_CTX_FP)
+#define WIN_CTX64_ALL   (WIN_CTX64_FULL | WIN_CTX_SEG | WIN_CTX_DBG)
 
 #define LIVE_SYSTEM_DUMP    0x00000161
 
@@ -107,7 +107,7 @@ typedef struct WinM128A {
     int64_t high;
 } QEMU_ALIGNED(16) WinM128A;
 
-typedef struct WinContext {
+typedef struct WinContext64 {
     uint64_t PHome[6];
 
     uint32_t ContextFlags;
@@ -174,6 +174,6 @@ typedef struct WinContext {
     uint64_t LastBranchFromRip;
     uint64_t LastExceptionToRip;
     uint64_t LastExceptionFromRip;
-} QEMU_ALIGNED(16) WinContext;
+} QEMU_ALIGNED(16) WinContext64;
 
 #endif /* QEMU_WIN_DUMP_DEFS_H */