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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 06/20] contrib/elf2dmp: Fix error reporting style in addrspace.c
Date: Mon, 11 Mar 2024 19:12:27 +0000	[thread overview]
Message-ID: <20240311191241.4177990-7-peter.maydell@linaro.org> (raw)
In-Reply-To: <20240311191241.4177990-1-peter.maydell@linaro.org>

From: Akihiko Odaki <akihiko.odaki@daynix.com>

include/qapi/error.h says:
> We recommend
> * bool-valued functions return true on success / false on failure,
> ...

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Tested-by: Viktor Prutyanov <viktor.prutyanov@phystech.edu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240307-elf2dmp-v4-5-4f324ad4d99d@daynix.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 contrib/elf2dmp/addrspace.h |  4 ++--
 contrib/elf2dmp/addrspace.c |  8 +++----
 contrib/elf2dmp/main.c      | 47 +++++++++++++++++--------------------
 3 files changed, 28 insertions(+), 31 deletions(-)

diff --git a/contrib/elf2dmp/addrspace.h b/contrib/elf2dmp/addrspace.h
index c868d647387..2ad30a9da48 100644
--- a/contrib/elf2dmp/addrspace.h
+++ b/contrib/elf2dmp/addrspace.h
@@ -39,7 +39,7 @@ void pa_space_destroy(struct pa_space *ps);
 void va_space_create(struct va_space *vs, struct pa_space *ps, uint64_t dtb);
 void va_space_set_dtb(struct va_space *vs, uint64_t dtb);
 void *va_space_resolve(struct va_space *vs, uint64_t va);
-int va_space_rw(struct va_space *vs, uint64_t addr,
-        void *buf, size_t size, int is_write);
+bool va_space_rw(struct va_space *vs, uint64_t addr,
+                 void *buf, size_t size, int is_write);
 
 #endif /* ADDRSPACE_H */
diff --git a/contrib/elf2dmp/addrspace.c b/contrib/elf2dmp/addrspace.c
index 4c127c9b1ec..c995c723ae8 100644
--- a/contrib/elf2dmp/addrspace.c
+++ b/contrib/elf2dmp/addrspace.c
@@ -226,8 +226,8 @@ void *va_space_resolve(struct va_space *vs, uint64_t va)
     return pa_space_resolve(vs->ps, pa);
 }
 
-int va_space_rw(struct va_space *vs, uint64_t addr,
-        void *buf, size_t size, int is_write)
+bool va_space_rw(struct va_space *vs, uint64_t addr,
+                 void *buf, size_t size, int is_write)
 {
     while (size) {
         uint64_t page = addr & ELF2DMP_PFN_MASK;
@@ -238,7 +238,7 @@ int va_space_rw(struct va_space *vs, uint64_t addr,
 
         ptr = va_space_resolve(vs, addr);
         if (!ptr) {
-            return 1;
+            return false;
         }
 
         if (is_write) {
@@ -252,5 +252,5 @@ int va_space_rw(struct va_space *vs, uint64_t addr,
         addr += s;
     }
 
-    return 0;
+    return true;
 }
diff --git a/contrib/elf2dmp/main.c b/contrib/elf2dmp/main.c
index 8a71e2efd28..09af39422f1 100644
--- a/contrib/elf2dmp/main.c
+++ b/contrib/elf2dmp/main.c
@@ -79,9 +79,9 @@ static KDDEBUGGER_DATA64 *get_kdbg(uint64_t KernBase, struct pdb_reader *pdb,
     bool decode = false;
     uint64_t kwn, kwa, KdpDataBlockEncoded;
 
-    if (va_space_rw(vs,
-                KdDebuggerDataBlock + offsetof(KDDEBUGGER_DATA64, Header),
-                &kdbg_hdr, sizeof(kdbg_hdr), 0)) {
+    if (!va_space_rw(vs,
+                     KdDebuggerDataBlock + offsetof(KDDEBUGGER_DATA64, Header),
+                     &kdbg_hdr, sizeof(kdbg_hdr), 0)) {
         eprintf("Failed to extract KDBG header\n");
         return NULL;
     }
@@ -97,8 +97,8 @@ static KDDEBUGGER_DATA64 *get_kdbg(uint64_t KernBase, struct pdb_reader *pdb,
             return NULL;
         }
 
-        if (va_space_rw(vs, KiWaitNever, &kwn, sizeof(kwn), 0) ||
-                va_space_rw(vs, KiWaitAlways, &kwa, sizeof(kwa), 0)) {
+        if (!va_space_rw(vs, KiWaitNever, &kwn, sizeof(kwn), 0) ||
+            !va_space_rw(vs, KiWaitAlways, &kwa, sizeof(kwa), 0)) {
             return NULL;
         }
 
@@ -122,7 +122,7 @@ static KDDEBUGGER_DATA64 *get_kdbg(uint64_t KernBase, struct pdb_reader *pdb,
 
     kdbg = g_malloc(kdbg_hdr.Size);
 
-    if (va_space_rw(vs, KdDebuggerDataBlock, kdbg, kdbg_hdr.Size, 0)) {
+    if (!va_space_rw(vs, KdDebuggerDataBlock, kdbg, kdbg_hdr.Size, 0)) {
         eprintf("Failed to extract entire KDBG\n");
         g_free(kdbg);
         return NULL;
@@ -286,7 +286,7 @@ static int fill_header(WinDumpHeader64 *hdr, struct pa_space *ps,
         return 1;
     }
 
-    if (va_space_rw(vs, KdVersionBlock, &kvb, sizeof(kvb), 0)) {
+    if (!va_space_rw(vs, KdVersionBlock, &kvb, sizeof(kvb), 0)) {
         eprintf("Failed to extract KdVersionBlock\n");
         return 1;
     }
@@ -352,8 +352,8 @@ static void fill_context(KDDEBUGGER_DATA64 *kdbg,
         WinContext64 ctx;
         QEMUCPUState *s = qe->state[i];
 
-        if (va_space_rw(vs, kdbg->KiProcessorBlock + sizeof(Prcb) * i,
-                    &Prcb, sizeof(Prcb), 0)) {
+        if (!va_space_rw(vs, kdbg->KiProcessorBlock + sizeof(Prcb) * i,
+                         &Prcb, sizeof(Prcb), 0)) {
             eprintf("Failed to read CPU #%d PRCB location\n", i);
             continue;
         }
@@ -363,8 +363,8 @@ static void fill_context(KDDEBUGGER_DATA64 *kdbg,
             continue;
         }
 
-        if (va_space_rw(vs, Prcb + kdbg->OffsetPrcbContext,
-                    &Context, sizeof(Context), 0)) {
+        if (!va_space_rw(vs, Prcb + kdbg->OffsetPrcbContext,
+                         &Context, sizeof(Context), 0)) {
             eprintf("Failed to read CPU #%d ContextFrame location\n", i);
             continue;
         }
@@ -372,7 +372,7 @@ static void fill_context(KDDEBUGGER_DATA64 *kdbg,
         printf("Filling context for CPU #%d...\n", i);
         win_context_init_from_qemu_cpu_state(&ctx, s);
 
-        if (va_space_rw(vs, Context, &ctx, sizeof(ctx), 1)) {
+        if (!va_space_rw(vs, Context, &ctx, sizeof(ctx), 1)) {
             eprintf("Failed to fill CPU #%d context\n", i);
             continue;
         }
@@ -396,8 +396,8 @@ static int pe_get_data_dir_entry(uint64_t base, void *start_addr, int idx,
         return 1;
     }
 
-    if (va_space_rw(vs, base + dos_hdr->e_lfanew,
-                &nt_hdrs, sizeof(nt_hdrs), 0)) {
+    if (!va_space_rw(vs, base + dos_hdr->e_lfanew,
+                     &nt_hdrs, sizeof(nt_hdrs), 0)) {
         return 1;
     }
 
@@ -406,9 +406,7 @@ static int pe_get_data_dir_entry(uint64_t base, void *start_addr, int idx,
         return 1;
     }
 
-    if (va_space_rw(vs,
-                base + data_dir[idx].VirtualAddress,
-                entry, size, 0)) {
+    if (!va_space_rw(vs, base + data_dir[idx].VirtualAddress, entry, size, 0)) {
         return 1;
     }
 
@@ -470,9 +468,8 @@ static bool pe_check_pdb_name(uint64_t base, void *start_addr,
         return false;
     }
 
-    if (va_space_rw(vs,
-                base + debug_dir.AddressOfRawData,
-                rsds, sizeof(*rsds), 0)) {
+    if (!va_space_rw(vs, base + debug_dir.AddressOfRawData,
+                     rsds, sizeof(*rsds), 0)) {
         eprintf("Failed to resolve OMFSignatureRSDS\n");
         return false;
     }
@@ -488,9 +485,9 @@ static bool pe_check_pdb_name(uint64_t base, void *start_addr,
         return false;
     }
 
-    if (va_space_rw(vs, base + debug_dir.AddressOfRawData +
-                offsetof(OMFSignatureRSDS, name), pdb_name, sizeof(PDB_NAME),
-                0)) {
+    if (!va_space_rw(vs, base + debug_dir.AddressOfRawData +
+                     offsetof(OMFSignatureRSDS, name),
+                     pdb_name, sizeof(PDB_NAME), 0)) {
         eprintf("Failed to resolve PDB name\n");
         return false;
     }
@@ -556,8 +553,8 @@ int main(int argc, char *argv[])
 
     printf("CPU #0 IDT is at 0x%016"PRIx64"\n", state->idt.base);
 
-    if (va_space_rw(&vs, state->idt.base,
-                &first_idt_desc, sizeof(first_idt_desc), 0)) {
+    if (!va_space_rw(&vs, state->idt.base,
+                     &first_idt_desc, sizeof(first_idt_desc), 0)) {
         eprintf("Failed to get CPU #0 IDT[0]\n");
         goto out_ps;
     }
-- 
2.34.1



  parent reply	other threads:[~2024-03-11 19:22 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-11 19:12 [PULL 00/20] target-arm queue Peter Maydell
2024-03-11 19:12 ` [PULL 01/20] hw/arm: Deprecate various old Arm machine types Peter Maydell
2024-03-11 19:12 ` [PULL 02/20] contrib/elf2dmp: Remove unnecessary err flags Peter Maydell
2024-03-11 19:12 ` [PULL 03/20] contrib/elf2dmp: Assume error by default Peter Maydell
2024-03-11 19:12 ` [PULL 04/20] contrib/elf2dmp: Continue even contexts are lacking Peter Maydell
2024-03-11 19:12 ` [PULL 05/20] contrib/elf2dmp: Change pa_space_create() signature Peter Maydell
2024-03-11 19:12 ` Peter Maydell [this message]
2024-03-11 19:12 ` [PULL 07/20] contrib/elf2dmp: Fix error reporting style in download.c Peter Maydell
2024-03-11 19:12 ` [PULL 08/20] contrib/elf2dmp: Fix error reporting style in pdb.c Peter Maydell
2024-03-11 19:12 ` [PULL 09/20] contrib/elf2dmp: Fix error reporting style in qemu_elf.c Peter Maydell
2024-03-11 19:12 ` [PULL 10/20] contrib/elf2dmp: Fix error reporting style in main.c Peter Maydell
2024-03-11 19:12 ` [PULL 11/20] contrib/elf2dmp: Always check for PA resolution failure Peter Maydell
2024-03-11 19:12 ` [PULL 12/20] contrib/elf2dmp: Always destroy PA space Peter Maydell
2024-03-11 19:12 ` [PULL 13/20] contrib/elf2dmp: Ensure segment fits in file Peter Maydell
2024-03-11 19:12 ` [PULL 14/20] contrib/elf2dmp: Use lduw_le_p() to read PDB Peter Maydell
2024-03-11 19:12 ` [PULL 15/20] contrib/elf2dmp: Use rol64() to decode Peter Maydell
2024-03-11 19:12 ` [PULL 16/20] MAINTAINERS: Add Akihiko Odaki as a elf2dmp reviewer Peter Maydell
2024-03-11 19:12 ` [PULL 17/20] contrib/elf2dmp: Use GPtrArray Peter Maydell
2024-03-11 19:12 ` [PULL 18/20] contrib/elf2dmp: Clamp QEMU note to file size Peter Maydell
2024-03-11 19:12 ` [PULL 19/20] contrib/elf2dmp: Ensure phdrs fit in file Peter Maydell
2024-03-11 19:12 ` [PULL 20/20] docs: update copyright date to the year 2024 Peter Maydell
2024-03-12 13:07 ` [PULL 00/20] target-arm queue Peter Maydell

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