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-rwxr-xr-xconfigure5
-rw-r--r--include/exec/gdbstub.h18
-rw-r--r--linux-user/syscall.c43
-rw-r--r--target/arm/gdbstub.c3
-rw-r--r--target/i386/gdbstub.c2
-rw-r--r--target/m68k/helper.c4
-rw-r--r--target/sh4/gdbstub.c6
-rw-r--r--target/xtensa/gdbstub.c6
-rw-r--r--tests/docker/dockerfiles/debian10.docker2
-rw-r--r--tests/docker/dockerfiles/debian9.docker2
-rw-r--r--tests/docker/dockerfiles/fedora.docker2
-rw-r--r--tests/docker/dockerfiles/travis.docker2
-rw-r--r--tests/docker/dockerfiles/ubuntu.docker2
-rw-r--r--tests/docker/dockerfiles/ubuntu1804.docker2
-rwxr-xr-xtests/docker/test-misc2
15 files changed, 57 insertions, 44 deletions
diff --git a/configure b/configure
index 9b1f5b33e4..23b5e93752 100755
--- a/configure
+++ b/configure
@@ -807,6 +807,7 @@ MINGW32*)
     audio_drv_list=""
   fi
   supported_os="yes"
+  pie="no"
 ;;
 GNU/kFreeBSD)
   bsd="yes"
@@ -4942,7 +4943,9 @@ has_sphinx_build() {
     # sphinx-build doesn't exist at all or if it is too old.
     mkdir -p "$TMPDIR1/sphinx"
     touch "$TMPDIR1/sphinx/index.rst"
-    "$sphinx_build" $sphinx_werror -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
+    "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
+                    -b html "$TMPDIR1/sphinx" \
+                    "$TMPDIR1/sphinx/out"  >> config.log 2>&1
 }
 
 # Check if tools are available to build documentation.
diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h
index 30b909ebd2..20e1072692 100644
--- a/include/exec/gdbstub.h
+++ b/include/exec/gdbstub.h
@@ -125,6 +125,24 @@ static inline int gdb_get_reg128(GByteArray *buf, uint64_t val_hi,
     return 16;
 }
 
+static inline int gdb_get_float32(GByteArray *array, float32 val)
+{
+    uint8_t buf[sizeof(CPU_FloatU)];
+
+    stfl_p(buf, val);
+    g_byte_array_append(array, buf, sizeof(buf));
+
+    return sizeof(buf);
+}
+static inline int gdb_get_zeroes(GByteArray *array, size_t len)
+{
+    guint oldlen = array->len;
+    g_byte_array_set_size(array, oldlen + len);
+    memset(array->data + oldlen, 0, len);
+
+    return len;
+}
+
 /**
  * gdb_get_reg_ptr: get pointer to start of last element
  * @len: length of element
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 6495ddc4cd..674f70e70a 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7295,34 +7295,29 @@ static int open_self_stat(void *cpu_env, int fd)
 {
     CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
     TaskState *ts = cpu->opaque;
-    abi_ulong start_stack = ts->info->start_stack;
+    g_autoptr(GString) buf = g_string_new(NULL);
     int i;
 
     for (i = 0; i < 44; i++) {
-      char buf[128];
-      int len;
-      uint64_t val = 0;
-
-      if (i == 0) {
-        /* pid */
-        val = getpid();
-        snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
-      } else if (i == 1) {
-        /* app name */
-        snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
-      } else if (i == 27) {
-        /* stack bottom */
-        val = start_stack;
-        snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
-      } else {
-        /* for the rest, there is MasterCard */
-        snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
-      }
+        if (i == 0) {
+            /* pid */
+            g_string_printf(buf, FMT_pid " ", getpid());
+        } else if (i == 1) {
+            /* app name */
+            gchar *bin = g_strrstr(ts->bprm->argv[0], "/");
+            bin = bin ? bin + 1 : ts->bprm->argv[0];
+            g_string_printf(buf, "(%.15s) ", bin);
+        } else if (i == 27) {
+            /* stack bottom */
+            g_string_printf(buf, TARGET_ABI_FMT_ld " ", ts->info->start_stack);
+        } else {
+            /* for the rest, there is MasterCard */
+            g_string_printf(buf, "0%c", i == 43 ? '\n' : ' ');
+        }
 
-      len = strlen(buf);
-      if (write(fd, buf, len) != len) {
-          return -1;
-      }
+        if (write(fd, buf->str, buf->len) != buf->len) {
+            return -1;
+        }
     }
 
     return 0;
diff --git a/target/arm/gdbstub.c b/target/arm/gdbstub.c
index 8efc535f2a..063551df23 100644
--- a/target/arm/gdbstub.c
+++ b/target/arm/gdbstub.c
@@ -47,8 +47,7 @@ int arm_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
         if (gdb_has_xml) {
             return 0;
         }
-        memset(mem_buf, 0, 12);
-        return 12;
+        return gdb_get_zeroes(mem_buf, 12);
     }
     switch (n) {
     case 24:
diff --git a/target/i386/gdbstub.c b/target/i386/gdbstub.c
index f3d23b614e..b98a99500a 100644
--- a/target/i386/gdbstub.c
+++ b/target/i386/gdbstub.c
@@ -106,7 +106,7 @@ int x86_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
     } else if (n >= IDX_FP_REGS && n < IDX_FP_REGS + 8) {
         floatx80 *fp = (floatx80 *) &env->fpregs[n - IDX_FP_REGS];
         int len = gdb_get_reg64(mem_buf, cpu_to_le64(fp->low));
-        len += gdb_get_reg16(mem_buf + len, cpu_to_le16(fp->high));
+        len += gdb_get_reg16(mem_buf, cpu_to_le16(fp->high));
         return len;
     } else if (n >= IDX_XMM_REGS && n < IDX_XMM_REGS + CPU_NB_REGS) {
         n -= IDX_XMM_REGS;
diff --git a/target/m68k/helper.c b/target/m68k/helper.c
index 014657c637..cad4083895 100644
--- a/target/m68k/helper.c
+++ b/target/m68k/helper.c
@@ -109,8 +109,8 @@ static int m68k_fpu_gdb_get_reg(CPUM68KState *env, GByteArray *mem_buf, int n)
 {
     if (n < 8) {
         int len = gdb_get_reg16(mem_buf, env->fregs[n].l.upper);
-        len += gdb_get_reg16(mem_buf + len, 0);
-        len += gdb_get_reg64(mem_buf + len, env->fregs[n].l.lower);
+        len += gdb_get_reg16(mem_buf, 0);
+        len += gdb_get_reg64(mem_buf, env->fregs[n].l.lower);
         return len;
     }
     switch (n) {
diff --git a/target/sh4/gdbstub.c b/target/sh4/gdbstub.c
index 49fc4a0cc6..34ad3ca050 100644
--- a/target/sh4/gdbstub.c
+++ b/target/sh4/gdbstub.c
@@ -58,11 +58,9 @@ int superh_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
         return gdb_get_regl(mem_buf, env->fpscr);
     case 25 ... 40:
         if (env->fpscr & FPSCR_FR) {
-            stfl_p(mem_buf, env->fregs[n - 9]);
-        } else {
-            stfl_p(mem_buf, env->fregs[n - 25]);
+            return gdb_get_float32(mem_buf, env->fregs[n - 9]);
         }
-        return 4;
+        return gdb_get_float32(mem_buf, env->fregs[n - 25]);
     case 41:
         return gdb_get_regl(mem_buf, env->ssr);
     case 42:
diff --git a/target/xtensa/gdbstub.c b/target/xtensa/gdbstub.c
index 0ee3feabe5..4d43f1340a 100644
--- a/target/xtensa/gdbstub.c
+++ b/target/xtensa/gdbstub.c
@@ -105,8 +105,7 @@ int xtensa_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
         default:
             qemu_log_mask(LOG_UNIMP, "%s from reg %d of unsupported size %d\n",
                           __func__, n, reg->size);
-            memset(mem_buf, 0, reg->size);
-            return reg->size;
+            return gdb_get_zeroes(mem_buf, reg->size);
         }
 
     case xtRegisterTypeWindow: /*a*/
@@ -115,8 +114,7 @@ int xtensa_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
     default:
         qemu_log_mask(LOG_UNIMP, "%s from reg %d of unsupported type %d\n",
                       __func__, n, reg->type);
-        memset(mem_buf, 0, reg->size);
-        return reg->size;
+        return gdb_get_zeroes(mem_buf, reg->size);
     }
 }
 
diff --git a/tests/docker/dockerfiles/debian10.docker b/tests/docker/dockerfiles/debian10.docker
index 2fcdc406e8..0769700a41 100644
--- a/tests/docker/dockerfiles/debian10.docker
+++ b/tests/docker/dockerfiles/debian10.docker
@@ -34,3 +34,5 @@ RUN apt update && \
         python3-sphinx \
         texinfo \
         $(apt-get -s build-dep qemu | egrep ^Inst | fgrep '[all]' | cut -d\  -f2)
+
+ENV FEATURES docs
diff --git a/tests/docker/dockerfiles/debian9.docker b/tests/docker/dockerfiles/debian9.docker
index 92edbbf0f4..08cc970feb 100644
--- a/tests/docker/dockerfiles/debian9.docker
+++ b/tests/docker/dockerfiles/debian9.docker
@@ -30,6 +30,4 @@ RUN apt update && \
         pkg-config \
         psmisc \
         python3 \
-        python3-sphinx \
-        texinfo \
         $(apt-get -s build-dep qemu | egrep ^Inst | fgrep '[all]' | cut -d\  -f2)
diff --git a/tests/docker/dockerfiles/fedora.docker b/tests/docker/dockerfiles/fedora.docker
index 4bd2c953af..179575ecaa 100644
--- a/tests/docker/dockerfiles/fedora.docker
+++ b/tests/docker/dockerfiles/fedora.docker
@@ -103,4 +103,4 @@ ENV QEMU_CONFIGURE_OPTS --python=/usr/bin/python3
 RUN dnf install -y $PACKAGES
 RUN rpm -q $PACKAGES | sort > /packages.txt
 ENV PATH $PATH:/usr/libexec/python3-sphinx/
-ENV FEATURES mingw clang pyyaml asan
+ENV FEATURES mingw clang pyyaml asan docs
diff --git a/tests/docker/dockerfiles/travis.docker b/tests/docker/dockerfiles/travis.docker
index e8eb48dccf..591282561b 100644
--- a/tests/docker/dockerfiles/travis.docker
+++ b/tests/docker/dockerfiles/travis.docker
@@ -13,5 +13,5 @@ RUN apt-get -y install device-tree-compiler python3 python3-yaml dh-autoreconf g
 # Travis tools require PhantomJS / Neo4j / Maven accessible
 # in their PATH (QEMU build won't access them).
 ENV PATH /usr/local/phantomjs/bin:/usr/local/phantomjs:/usr/local/neo4j-3.2.7/bin:/usr/local/maven-3.5.2/bin:/usr/local/cmake-3.9.2/bin:/usr/local/clang-5.0.0/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
-ENV FEATURES clang pyyaml
+ENV FEATURES clang pyyaml docs
 USER travis
diff --git a/tests/docker/dockerfiles/ubuntu.docker b/tests/docker/dockerfiles/ubuntu.docker
index b6c7b41ddd..eeb3b22bf2 100644
--- a/tests/docker/dockerfiles/ubuntu.docker
+++ b/tests/docker/dockerfiles/ubuntu.docker
@@ -68,4 +68,4 @@ ENV PACKAGES flex bison \
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get -y install $PACKAGES
 RUN dpkg -l $PACKAGES | sort > /packages.txt
-ENV FEATURES clang pyyaml sdl2
+ENV FEATURES clang pyyaml sdl2 docs
diff --git a/tests/docker/dockerfiles/ubuntu1804.docker b/tests/docker/dockerfiles/ubuntu1804.docker
index 1efedeef99..f66b06f4cf 100644
--- a/tests/docker/dockerfiles/ubuntu1804.docker
+++ b/tests/docker/dockerfiles/ubuntu1804.docker
@@ -54,7 +54,7 @@ ENV PACKAGES flex bison \
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get -y install $PACKAGES
 RUN dpkg -l $PACKAGES | sort > /packages.txt
-ENV FEATURES clang pyyaml sdl2
+ENV FEATURES clang pyyaml sdl2 docs
 
 # https://bugs.launchpad.net/qemu/+bug/1838763
 ENV QEMU_CONFIGURE_OPTS --disable-libssh
diff --git a/tests/docker/test-misc b/tests/docker/test-misc
index d480afedca..cc94a738dd 100755
--- a/tests/docker/test-misc
+++ b/tests/docker/test-misc
@@ -14,6 +14,8 @@
 
 . common.rc
 
+requires docs
+
 cd "$BUILD_DIR"
 
 # build everything else but QEMU