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X-Received-From: 2a00:1450:4864:20::341 X-Mailman-Approved-At: Tue, 25 Dec 2018 08:51:23 -0500 Subject: [Qemu-devel] [PATCH v1] dump: Set correct vaddr for ELF dump X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-trivial@nongnu.org, marcandre.lureau@redhat.com, Jon Doron Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" vaddr needs to be equal to the paddr since the dump file represents the physical memory image. Without setting vaddr correctly, GDB would load all the different memory regions on top of each other to vaddr 0, thus making GDB showing the wrong memory data for a given address. Signed-off-by: Jon Doron --- dump.c | 4 ++-- scripts/dump-guest-memory.py | 1 + 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/dump.c b/dump.c index 4ec94c5e25..bf77a119ea 100644 --- a/dump.c +++ b/dump.c @@ -192,7 +192,7 @@ static void write_elf64_load(DumpState *s, MemoryMappin= g *memory_mapping, phdr.p_paddr =3D cpu_to_dump64(s, memory_mapping->phys_addr); phdr.p_filesz =3D cpu_to_dump64(s, filesz); phdr.p_memsz =3D cpu_to_dump64(s, memory_mapping->length); - phdr.p_vaddr =3D cpu_to_dump64(s, memory_mapping->virt_addr); + phdr.p_vaddr =3D phdr.p_paddr; =20 assert(memory_mapping->length >=3D filesz); =20 @@ -216,7 +216,7 @@ static void write_elf32_load(DumpState *s, MemoryMappin= g *memory_mapping, phdr.p_paddr =3D cpu_to_dump32(s, memory_mapping->phys_addr); phdr.p_filesz =3D cpu_to_dump32(s, filesz); phdr.p_memsz =3D cpu_to_dump32(s, memory_mapping->length); - phdr.p_vaddr =3D cpu_to_dump32(s, memory_mapping->virt_addr); + phdr.p_vaddr =3D phdr.p_paddr; =20 assert(memory_mapping->length >=3D filesz); =20 diff --git a/scripts/dump-guest-memory.py b/scripts/dump-guest-memory.py index 198cd0fe40..2c587cbefc 100644 --- a/scripts/dump-guest-memory.py +++ b/scripts/dump-guest-memory.py @@ -163,6 +163,7 @@ class ELF(object): phdr =3D get_arch_phdr(self.endianness, self.elfclass) phdr.p_type =3D p_type phdr.p_paddr =3D p_paddr + phdr.p_vaddr =3D p_paddr phdr.p_filesz =3D p_size phdr.p_memsz =3D p_size self.segments.append(phdr) --=20 2.19.2