diff --git a/hw/core/loader.c b/hw/core/loader.c
index c623318b73..c7f97fdce8 100644
--- a/hw/core/loader.c
+++ b/hw/core/loader.c
@@ -326,7 +326,7 @@ static void *load_at(int fd, off_t offset, size_t size)
 #define SZ		64
 #include "hw/elf_ops.h"
 
-const char *load_elf_strerror(int error)
+const char *load_elf_strerror(ssize_t error)
 {
     switch (error) {
     case 0:
@@ -402,12 +402,12 @@ fail:
 }
 
 /* return < 0 if error, otherwise the number of bytes loaded in memory */
-int load_elf(const char *filename,
-             uint64_t (*elf_note_fn)(void *, void *, bool),
-             uint64_t (*translate_fn)(void *, uint64_t),
-             void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
-             uint64_t *highaddr, uint32_t *pflags, int big_endian,
-             int elf_machine, int clear_lsb, int data_swab)
+ssize_t load_elf(const char *filename,
+                 uint64_t (*elf_note_fn)(void *, void *, bool),
+                 uint64_t (*translate_fn)(void *, uint64_t),
+                 void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
+                 uint64_t *highaddr, uint32_t *pflags, int big_endian,
+                 int elf_machine, int clear_lsb, int data_swab)
 {
     return load_elf_as(filename, elf_note_fn, translate_fn, translate_opaque,
                        pentry, lowaddr, highaddr, pflags, big_endian,
@@ -415,12 +415,13 @@ int load_elf(const char *filename,
 }
 
 /* return < 0 if error, otherwise the number of bytes loaded in memory */
-int load_elf_as(const char *filename,
-                uint64_t (*elf_note_fn)(void *, void *, bool),
-                uint64_t (*translate_fn)(void *, uint64_t),
-                void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
-                uint64_t *highaddr, uint32_t *pflags, int big_endian,
-                int elf_machine, int clear_lsb, int data_swab, AddressSpace *as)
+ssize_t load_elf_as(const char *filename,
+                    uint64_t (*elf_note_fn)(void *, void *, bool),
+                    uint64_t (*translate_fn)(void *, uint64_t),
+                    void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
+                    uint64_t *highaddr, uint32_t *pflags, int big_endian,
+                    int elf_machine, int clear_lsb, int data_swab,
+                    AddressSpace *as)
 {
     return load_elf_ram(filename, elf_note_fn, translate_fn, translate_opaque,
                         pentry, lowaddr, highaddr, pflags, big_endian,
@@ -428,13 +429,13 @@ int load_elf_as(const char *filename,
 }
 
 /* return < 0 if error, otherwise the number of bytes loaded in memory */
-int load_elf_ram(const char *filename,
-                 uint64_t (*elf_note_fn)(void *, void *, bool),
-                 uint64_t (*translate_fn)(void *, uint64_t),
-                 void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
-                 uint64_t *highaddr, uint32_t *pflags, int big_endian,
-                 int elf_machine, int clear_lsb, int data_swab,
-                 AddressSpace *as, bool load_rom)
+ssize_t load_elf_ram(const char *filename,
+                     uint64_t (*elf_note_fn)(void *, void *, bool),
+                     uint64_t (*translate_fn)(void *, uint64_t),
+                     void *translate_opaque, uint64_t *pentry,
+                     uint64_t *lowaddr, uint64_t *highaddr, uint32_t *pflags,
+                     int big_endian, int elf_machine, int clear_lsb,
+                     int data_swab, AddressSpace *as, bool load_rom)
 {
     return load_elf_ram_sym(filename, elf_note_fn,
                             translate_fn, translate_opaque,
@@ -444,16 +445,17 @@ int load_elf_ram(const char *filename,
 }
 
 /* return < 0 if error, otherwise the number of bytes loaded in memory */
-int load_elf_ram_sym(const char *filename,
-                     uint64_t (*elf_note_fn)(void *, void *, bool),
-                     uint64_t (*translate_fn)(void *, uint64_t),
-                     void *translate_opaque, uint64_t *pentry,
-                     uint64_t *lowaddr, uint64_t *highaddr, uint32_t *pflags,
-                     int big_endian, int elf_machine,
-                     int clear_lsb, int data_swab,
-                     AddressSpace *as, bool load_rom, symbol_fn_t sym_cb)
+ssize_t load_elf_ram_sym(const char *filename,
+                         uint64_t (*elf_note_fn)(void *, void *, bool),
+                         uint64_t (*translate_fn)(void *, uint64_t),
+                         void *translate_opaque, uint64_t *pentry,
+                         uint64_t *lowaddr, uint64_t *highaddr,
+                         uint32_t *pflags, int big_endian, int elf_machine,
+                         int clear_lsb, int data_swab,
+                         AddressSpace *as, bool load_rom, symbol_fn_t sym_cb)
 {
-    int fd, data_order, target_data_order, must_swab, ret = ELF_LOAD_FAILED;
+    int fd, data_order, target_data_order, must_swab;
+    ssize_t ret = ELF_LOAD_FAILED;
     uint8_t e_ident[EI_NIDENT];
 
     fd = open(filename, O_RDONLY | O_BINARY);
diff --git a/include/hw/elf_ops.h b/include/hw/elf_ops.h
index 1c37cec4ae..995de8495c 100644
--- a/include/hw/elf_ops.h
+++ b/include/hw/elf_ops.h
@@ -312,25 +312,26 @@ static struct elf_note *glue(get_elf_note_type, SZ)(struct elf_note *nhdr,
     return nhdr;
 }
 
-static int glue(load_elf, SZ)(const char *name, int fd,
-                              uint64_t (*elf_note_fn)(void *, void *, bool),
-                              uint64_t (*translate_fn)(void *, uint64_t),
-                              void *translate_opaque,
-                              int must_swab, uint64_t *pentry,
-                              uint64_t *lowaddr, uint64_t *highaddr,
-                              uint32_t *pflags, int elf_machine,
-                              int clear_lsb, int data_swab,
-                              AddressSpace *as, bool load_rom,
-                              symbol_fn_t sym_cb)
+static ssize_t glue(load_elf, SZ)(const char *name, int fd,
+                                  uint64_t (*elf_note_fn)(void *, void *, bool),
+                                  uint64_t (*translate_fn)(void *, uint64_t),
+                                  void *translate_opaque,
+                                  int must_swab, uint64_t *pentry,
+                                  uint64_t *lowaddr, uint64_t *highaddr,
+                                  uint32_t *pflags, int elf_machine,
+                                  int clear_lsb, int data_swab,
+                                  AddressSpace *as, bool load_rom,
+                                  symbol_fn_t sym_cb)
 {
     struct elfhdr ehdr;
     struct elf_phdr *phdr = NULL, *ph;
-    int size, i, total_size;
+    int size, i;
+    ssize_t total_size;
     elf_word mem_size, file_size, data_offset;
     uint64_t addr, low = (uint64_t)-1, high = 0;
     GMappedFile *mapped_file = NULL;
     uint8_t *data = NULL;
-    int ret = ELF_LOAD_FAILED;
+    ssize_t ret = ELF_LOAD_FAILED;
 
     if (read(fd, &ehdr, sizeof(ehdr)) != sizeof(ehdr))
         goto fail;
@@ -482,7 +483,7 @@ static int glue(load_elf, SZ)(const char *name, int fd,
                 }
             }
 
-            if (mem_size > INT_MAX - total_size) {
+            if (mem_size > SSIZE_MAX - total_size) {
                 ret = ELF_LOAD_TOO_BIG;
                 goto fail;
             }
diff --git a/include/hw/loader.h b/include/hw/loader.h
index 81104cb02f..4fa485bd61 100644
--- a/include/hw/loader.h
+++ b/include/hw/loader.h
@@ -90,7 +90,7 @@ int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz);
 #define ELF_LOAD_WRONG_ARCH   -3
 #define ELF_LOAD_WRONG_ENDIAN -4
 #define ELF_LOAD_TOO_BIG      -5
-const char *load_elf_strerror(int error);
+const char *load_elf_strerror(ssize_t error);
 
 /** load_elf_ram_sym:
  * @filename: Path of ELF file
@@ -128,48 +128,48 @@ const char *load_elf_strerror(int error);
 typedef void (*symbol_fn_t)(const char *st_name, int st_info,
                             uint64_t st_value, uint64_t st_size);
 
-int load_elf_ram_sym(const char *filename,
-                     uint64_t (*elf_note_fn)(void *, void *, bool),
-                     uint64_t (*translate_fn)(void *, uint64_t),
-                     void *translate_opaque, uint64_t *pentry,
-                     uint64_t *lowaddr, uint64_t *highaddr, uint32_t *pflags,
-                     int big_endian, int elf_machine,
-                     int clear_lsb, int data_swab,
-                     AddressSpace *as, bool load_rom, symbol_fn_t sym_cb);
+ssize_t load_elf_ram_sym(const char *filename,
+                         uint64_t (*elf_note_fn)(void *, void *, bool),
+                         uint64_t (*translate_fn)(void *, uint64_t),
+                         void *translate_opaque, uint64_t *pentry,
+                         uint64_t *lowaddr, uint64_t *highaddr,
+                         uint32_t *pflags, int big_endian, int elf_machine,
+                         int clear_lsb, int data_swab,
+                         AddressSpace *as, bool load_rom, symbol_fn_t sym_cb);
 
 /** load_elf_ram:
  * Same as load_elf_ram_sym(), but doesn't allow the caller to specify a
  * symbol callback function
  */
-int load_elf_ram(const char *filename,
-                 uint64_t (*elf_note_fn)(void *, void *, bool),
-                 uint64_t (*translate_fn)(void *, uint64_t),
-                 void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
-                 uint64_t *highaddr, uint32_t *pflags, int big_endian,
-                 int elf_machine, int clear_lsb, int data_swab,
-                 AddressSpace *as, bool load_rom);
+ssize_t load_elf_ram(const char *filename,
+                     uint64_t (*elf_note_fn)(void *, void *, bool),
+                     uint64_t (*translate_fn)(void *, uint64_t),
+                     void *translate_opaque, uint64_t *pentry,
+                     uint64_t *lowaddr, uint64_t *highaddr, uint32_t *pflags,
+                     int big_endian, int elf_machine, int clear_lsb,
+                     int data_swab, AddressSpace *as, bool load_rom);
 
 /** load_elf_as:
  * Same as load_elf_ram(), but always loads the elf as ROM
  */
-int load_elf_as(const char *filename,
-                uint64_t (*elf_note_fn)(void *, void *, bool),
-                uint64_t (*translate_fn)(void *, uint64_t),
-                void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
-                uint64_t *highaddr, uint32_t *pflags, int big_endian,
-                int elf_machine, int clear_lsb, int data_swab,
-                AddressSpace *as);
+ssize_t load_elf_as(const char *filename,
+                    uint64_t (*elf_note_fn)(void *, void *, bool),
+                    uint64_t (*translate_fn)(void *, uint64_t),
+                    void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
+                    uint64_t *highaddr, uint32_t *pflags, int big_endian,
+                    int elf_machine, int clear_lsb, int data_swab,
+                    AddressSpace *as);
 
 /** load_elf:
  * Same as load_elf_as(), but doesn't allow the caller to specify an
  * AddressSpace.
  */
-int load_elf(const char *filename,
-             uint64_t (*elf_note_fn)(void *, void *, bool),
-             uint64_t (*translate_fn)(void *, uint64_t),
-             void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
-             uint64_t *highaddr, uint32_t *pflags, int big_endian,
-             int elf_machine, int clear_lsb, int data_swab);
+ssize_t load_elf(const char *filename,
+                 uint64_t (*elf_note_fn)(void *, void *, bool),
+                 uint64_t (*translate_fn)(void *, uint64_t),
+                 void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
+                 uint64_t *highaddr, uint32_t *pflags, int big_endian,
+                 int elf_machine, int clear_lsb, int data_swab);
 
 /** load_elf_hdr:
  * @filename: Path of ELF file