projects / packages / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| f2093fc3 MŁ |
1 | --- qemu/dyngen.c.x 2005-05-16 10:30:43.000000000 +0100 |
| 2 | +++ qemu/dyngen.c 2005-05-16 10:32:41.000000000 +0100 | |
| 3 | @@ -1996,6 +1996,9 @@ void gen_code(const char *name, host_ulo | |
| 4 | int retpos; | |
| 5 | int exit_addrs[MAX_EXITS]; | |
| 6 | #endif | |
| 7 | +#if defined(HOST_PPC) | |
| 8 | + uint8_t *blr_addr = NULL; | |
| 9 | +#endif | |
| 10 | ||
| 11 | /* Compute exact size excluding prologue and epilogue instructions. | |
| 12 | * Increment start_offset to skip epilogue instructions, then compute | |
| 13 | @@ -2018,9 +2021,23 @@ void gen_code(const char *name, host_ulo | |
| 14 | p = (void *)(p_end - 4); | |
| 15 | if (p == p_start) | |
| 16 | error("empty code for %s", name); | |
| 17 | - if (get32((uint32_t *)p) != 0x4e800020) | |
| 18 | - error("blr expected at the end of %s", name); | |
| 19 | - copy_size = p - p_start; | |
| 20 | + if (get32((uint32_t *)p) == 0x4e800020) { | |
| 21 | + copy_size = p - p_start; /* blr at end */ | |
| 22 | + } else { | |
| 23 | + /* Find the blr and note its address so that we | |
| 24 | + can emit code to rewrite it to a branch. */ | |
| 25 | + do { | |
| 26 | + p -= 4; | |
| 27 | + | |
| 28 | + if (get32((uint32_t *)p) == 0x4e800020) { | |
| 29 | + blr_addr = p; | |
| 30 | + copy_size = p_end - p_start; | |
| 31 | + break; | |
| 32 | + } | |
| 33 | + } while (p > p_start); | |
| 34 | + if (p == p_start) | |
| 35 | + error("blr expected in the end of %s", name); | |
| 36 | + } | |
| 37 | } | |
| 38 | #elif defined(HOST_S390) | |
| 39 | { | |
| 40 | @@ -2633,6 +2650,9 @@ void gen_code(const char *name, host_ulo | |
| 41 | #else | |
| 42 | #error unsupport object format | |
| 43 | #endif | |
| 44 | + if (blr_addr) | |
| 45 | + fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = 0x48000000 | %d;\n", | |
| 46 | + blr_addr - p_start, p_end - blr_addr); | |
| 47 | } | |
| 48 | #elif defined(HOST_S390) | |
| 49 | { |