diff options
Diffstat (limited to 'gdb/hppa-hpux-tdep.c')
| -rw-r--r-- | gdb/hppa-hpux-tdep.c | 81 |
1 files changed, 67 insertions, 14 deletions
diff --git a/gdb/hppa-hpux-tdep.c b/gdb/hppa-hpux-tdep.c index e7849bf..62271ff 100644 --- a/gdb/hppa-hpux-tdep.c +++ b/gdb/hppa-hpux-tdep.c @@ -32,12 +32,18 @@ extern initialize_file_ftype _initialize_hppa_hpux_tdep; /* FIXME: brobecker 2002-12-25. The following functions will eventually become static, after the multiarching conversion is done. */ int hppa_hpux_pc_in_sigtramp (CORE_ADDR pc, char *name); -void hppa_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, - CORE_ADDR *tmp); -void hppa_hpux_frame_base_before_sigtramp (struct frame_info *fi, - CORE_ADDR *tmp); -void hppa_hpux_frame_find_saved_regs_in_sigtramp - (struct frame_info *fi, CORE_ADDR *fsr); +void hppa32_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp); +void hppa32_hpux_frame_base_before_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp); +void hppa32_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, + CORE_ADDR *fsr); +void hppa64_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp); +void hppa64_hpux_frame_base_before_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp); +void hppa64_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, + CORE_ADDR *fsr); int hppa_hpux_pc_in_sigtramp (CORE_ADDR pc, char *name) @@ -48,9 +54,9 @@ hppa_hpux_pc_in_sigtramp (CORE_ADDR pc, char *name) return (name && (strcmp ("_sigreturn", name) == 0)); } -/* For hppa_hpux_frame_saved_pc_in_sigtramp, - hppa_hpux_frame_base_before_sigtramp and - hppa_hpux_frame_find_saved_regs_in_sigtramp: +/* For hppa32_hpux_frame_saved_pc_in_sigtramp, + hppa32_hpux_frame_base_before_sigtramp and + hppa32_hpux_frame_find_saved_regs_in_sigtramp: The signal context structure pointer is always saved at the base of the frame which "calls" the signal handler. We only want to find @@ -67,21 +73,21 @@ hppa_hpux_pc_in_sigtramp (CORE_ADDR pc, char *name) written. */ void -hppa_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, CORE_ADDR *tmp) +hppa32_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, CORE_ADDR *tmp) { *tmp = read_memory_integer (get_frame_base (fi) + (43 * 4), 4); } void -hppa_hpux_frame_base_before_sigtramp (struct frame_info *fi, - CORE_ADDR *tmp) +hppa32_hpux_frame_base_before_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp) { *tmp = read_memory_integer (get_frame_base (fi) + (40 * 4), 4); } void -hppa_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, - CORE_ADDR *fsr) +hppa32_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, + CORE_ADDR *fsr) { int i; const CORE_ADDR tmp = get_frame_base (fi) + (10 * 4); @@ -95,6 +101,53 @@ hppa_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, } } +/* For hppa64_hpux_frame_saved_pc_in_sigtramp, + hppa64_hpux_frame_base_before_sigtramp and + hppa64_hpux_frame_find_saved_regs_in_sigtramp: + + These functions are the PA64 ABI equivalents of the 32bits counterparts + above. See the comments there. + + For PA64, the save_state structure is at an offset of 24 32-bit words + from the sigcontext structure. The 64 bit general registers are at an + offset of 640 bytes from the beginning of the save_state structure, + and the floating pointer register are at an offset of 256 bytes from + the beginning of the save_state structure. */ + +void +hppa64_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, CORE_ADDR *tmp) +{ + *tmp = read_memory_integer + (get_frame_base (fi) + (24 * 4) + 640 + (33 * 8), 8); +} + +void +hppa64_hpux_frame_base_before_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp) +{ + *tmp = read_memory_integer + (get_frame_base (fi) + (24 * 4) + 640 + (30 * 8), 8); +} + +void +hppa64_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, + CORE_ADDR *fsr) +{ + int i; + const CORE_ADDR tmp1 = get_frame_base (fi) + (24 * 4) + 640; + const CORE_ADDR tmp2 = get_frame_base (fi) + (24 * 4) + 256; + + for (i = 0; i < NUM_REGS; i++) + { + if (i == SP_REGNUM) + fsr[SP_REGNUM] = read_memory_integer (tmp1 + SP_REGNUM * 8, 8); + else if (i >= FP0_REGNUM) + fsr[i] = tmp2 + (i - FP0_REGNUM) * 8; + else + fsr[i] = tmp1 + i * 8; + } +} + static void hppa_hpux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { |