aboutsummaryrefslogtreecommitdiff
path: root/dyngen.c
diff options
context:
space:
mode:
authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2003-05-29 20:05:18 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2003-05-29 20:05:18 +0000
commitc1e42a13975f671e9c31422eb43dfc737c0a6ab6 (patch)
treebafa0b44852aeb02cce3a818e10c4671a9b394b0 /dyngen.c
parentd0a1ffc9573b15997ecdfbc9ec5ec2fc1403d0f1 (diff)
downloadqemu-c1e42a13975f671e9c31422eb43dfc737c0a6ab6.zip
qemu-c1e42a13975f671e9c31422eb43dfc737c0a6ab6.tar.gz
qemu-c1e42a13975f671e9c31422eb43dfc737c0a6ab6.tar.bz2
search data in both .data and .sdata
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@199 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'dyngen.c')
-rw-r--r--dyngen.c38
1 files changed, 23 insertions, 15 deletions
diff --git a/dyngen.c b/dyngen.c
index 4ed8b4b..bfc1540 100644
--- a/dyngen.c
+++ b/dyngen.c
@@ -178,8 +178,8 @@ ElfW(Sym) *symtab;
int nb_syms;
char *strtab;
/* data section */
-uint8_t *data_data;
-int data_shndx;
+uint8_t *data_data, *sdata_data;
+int data_shndx, sdata_shndx;
uint16_t get16(uint16_t *p)
{
@@ -499,11 +499,17 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
for(i = 0, sym = symtab; i < nb_syms; i++, sym++) {
sym_name = strtab + sym->st_name;
if (strstart(sym_name, "__op_label", &p)) {
+ uint8_t *ptr;
+
/* test if the variable refers to a label inside
the code we are generating */
- if (sym->st_shndx != data_shndx)
+ if (sym->st_shndx == data_shndx)
+ ptr = data_data;
+ else if (sym->st_shndx == sdata_shndx)
+ ptr = sdata_data;
+ else
error("__op_labelN symbols must be in .data or .sdata section");
- val = *(target_ulong *)(data_data + sym->st_value);
+ val = *(target_ulong *)(ptr + sym->st_value);
if (val >= start_offset && val < start_offset + copy_size) {
n = strtol(p, NULL, 10);
fprintf(outfile, " label_offsets[%d] = %d + (gen_code_ptr - gen_code_buf);\n", n, val - start_offset);
@@ -878,7 +884,7 @@ int load_elf(const char *filename, FILE *outfile, int do_print_enum)
struct elf_shdr *sec, *symtab_sec, *strtab_sec, *text_sec;
int i, j;
ElfW(Sym) *sym;
- char *shstr, *data_name;
+ char *shstr;
uint8_t *text;
void *relocs;
int nb_relocs, reloc_sh_type;
@@ -930,16 +936,18 @@ int load_elf(const char *filename, FILE *outfile, int do_print_enum)
error("could not find .text section");
text = load_data(fd, text_sec->sh_offset, text_sec->sh_size);
-#if defined(HOST_PPC)
- data_name = ".sdata";
-#else
- data_name = ".data";
-#endif
- sec = find_elf_section(shdr, ehdr.e_shnum, shstr, data_name);
- if (!sec)
- error("could not find %s section", data_name);
- data_shndx = sec - shdr;
- data_data = load_data(fd, sec->sh_offset, sec->sh_size);
+ data_shndx = -1;
+ sec = find_elf_section(shdr, ehdr.e_shnum, shstr, ".data");
+ if (sec) {
+ data_shndx = sec - shdr;
+ data_data = load_data(fd, sec->sh_offset, sec->sh_size);
+ }
+ sdata_shndx = -1;
+ sec = find_elf_section(shdr, ehdr.e_shnum, shstr, ".sdata");
+ if (sec) {
+ sdata_shndx = sec - shdr;
+ sdata_data = load_data(fd, sec->sh_offset, sec->sh_size);
+ }
/* find text relocations, if any */
nb_relocs = 0;