Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* cpu-exec fixes (Emilio, Laurent)
* TCG bugfix in queue.h (Paolo)
* high address load for linuxboot (Zhijian)
* PVH support (Liam, Stefano)
* misc i386 changes (Paolo, Robert, Doug)
* configure tweak for openpty (Thomas)
* elf2dmp port to Windows (Viktor)
* initial improvements to Makefile infrastructure (Yang + GSoC 2013)

# gpg: Signature made Tue 05 Feb 2019 17:34:42 GMT
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (76 commits)
  queue: fix QTAILQ_FOREACH_REVERSE_SAFE
  scsi-generic: Convert from DPRINTF() macro to trace events
  scsi-disk: Convert from DPRINTF() macro to trace events
  pc: Use hotplug_handler_(plug|unplug|unplug_request)
  i386: hvf: Fix smp boot hangs
  hw/vfio/Makefile.objs: Create new CONFIG_* variables for VFIO core and PCI
  hw/i2c/Makefile.objs: Create new CONFIG_* variables for EEPROM and ACPI controller
  hw/tricore/Makefile.objs: Create CONFIG_* for tricore
  hw/openrisc/Makefile.objs: Create CONFIG_* for openrisc
  hw/moxie/Makefile.objs: Conditionally build moxie
  hw/hppa/Makefile.objs: Create CONFIG_* for hppa
  hw/cris/Makefile.objs: Create CONFIG_* for cris
  hw/alpha/Makefile.objs: Create CONFIG_* for alpha
  hw/sparc64/Makefile.objs: Create CONFIG_* for sparc64
  hw/riscv/Makefile.objs: Create CONFIG_* for riscv boards
  hw/nios2/Makefile.objs: Conditionally build nios2
  hw/xtensa/Makefile.objs: Build xtensa_sim and xtensa_fpga conditionally
  hw/lm32/Makefile.objs: Conditionally build lm32 and milkmyst
  hw/sparc/Makefile.objs: CONFIG_* for sun4m and leon3 created
  hw/s390/Makefile.objs: Create new CONFIG_* variables for s390x boards and devices
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	qemu-deprecated.texi

1 files changed, 8 insertions, 19 deletions

diff --git a/contrib/elf2dmp/qemu_elf.c b/contrib/elf2dmp/qemu_elf.c
index e9c0d2534a..0db7816586 100644
--- a/contrib/elf2dmp/qemu_elf.c
+++ b/contrib/elf2dmp/qemu_elf.c
@@ -120,25 +120,17 @@ static void exit_states(QEMU_Elf *qe)
 
 int QEMU_Elf_init(QEMU_Elf *qe, const char *filename)
 {
+    GError *gerr = NULL;
     int err = 0;
-    struct stat st;
 
-    qe->fd = open(filename, O_RDONLY, 0);
-    if (qe->fd == -1) {
-        eprintf("Failed to open ELF dump file \'%s\'\n", filename);
+    qe->gmf = g_mapped_file_new(filename, TRUE, &gerr);
+    if (gerr) {
+        eprintf("Failed to map ELF dump file \'%s\'\n", filename);
         return 1;
     }
 
-    fstat(qe->fd, &st);
-    qe->size = st.st_size;
-
-    qe->map = mmap(NULL, qe->size, PROT_READ | PROT_WRITE,
-            MAP_PRIVATE, qe->fd, 0);
-    if (qe->map == MAP_FAILED) {
-        eprintf("Failed to map ELF file\n");
-        err = 1;
-        goto out_fd;
-    }
+    qe->map = g_mapped_file_get_contents(qe->gmf);
+    qe->size = g_mapped_file_get_length(qe->gmf);
 
     if (init_states(qe)) {
         eprintf("Failed to extract QEMU CPU states\n");
@@ -149,9 +141,7 @@ int QEMU_Elf_init(QEMU_Elf *qe, const char *filename)
     return 0;
 
 out_unmap:
-    munmap(qe->map, qe->size);
-out_fd:
-    close(qe->fd);
+    g_mapped_file_unref(qe->gmf);
 
     return err;
 }
@@ -159,6 +149,5 @@ out_fd:
 void QEMU_Elf_exit(QEMU_Elf *qe)
 {
     exit_states(qe);
-    munmap(qe->map, qe->size);
-    close(qe->fd);
+    g_mapped_file_unref(qe->gmf);
 }