diff options
Diffstat (limited to 'gdb/mips-linux-tdep.c')
| -rw-r--r-- | gdb/mips-linux-tdep.c | 112 |
1 files changed, 105 insertions, 7 deletions
diff --git a/gdb/mips-linux-tdep.c b/gdb/mips-linux-tdep.c index 6e24a8e..c6512af 100644 --- a/gdb/mips-linux-tdep.c +++ b/gdb/mips-linux-tdep.c @@ -869,6 +869,8 @@ static const struct tramp_frame mips_linux_n64_rt_sigframe = { sigset_t sf_mask; }; + Pre-2.6.12 sigcontext: + struct sigcontext { unsigned int sc_regmask; [Unused] unsigned int sc_status; @@ -890,6 +892,30 @@ static const struct tramp_frame mips_linux_n64_rt_sigframe = { unsigned long sc_sigset[4]; [kernel's sigset_t] }; + Post-2.6.12 sigcontext (SmartMIPS/DSP support added): + + struct sigcontext { + unsigned int sc_regmask; [Unused] + unsigned int sc_status; [Unused] + unsigned long long sc_pc; + unsigned long long sc_regs[32]; + unsigned long long sc_fpregs[32]; + unsigned int sc_acx; + unsigned int sc_fpc_csr; + unsigned int sc_fpc_eir; [Unused] + unsigned int sc_used_math; + unsigned int sc_dsp; + [Alignment hole of four bytes] + unsigned long long sc_mdhi; + unsigned long long sc_mdlo; + unsigned long sc_hi1; + unsigned long sc_lo1; + unsigned long sc_hi2; + unsigned long sc_lo2; + unsigned long sc_hi3; + unsigned long sc_lo3; + }; + The RT signal frames look like this: struct rt_sigframe { @@ -922,10 +948,17 @@ static const struct tramp_frame mips_linux_n64_rt_sigframe = { #define SIGCONTEXT_REGS (2 * 8) #define SIGCONTEXT_FPREGS (34 * 8) #define SIGCONTEXT_FPCSR (66 * 8 + 4) +#define SIGCONTEXT_DSPCTL (68 * 8 + 0) #define SIGCONTEXT_HI (69 * 8) #define SIGCONTEXT_LO (70 * 8) #define SIGCONTEXT_CAUSE (71 * 8 + 0) #define SIGCONTEXT_BADVADDR (71 * 8 + 4) +#define SIGCONTEXT_HI1 (71 * 8 + 0) +#define SIGCONTEXT_LO1 (71 * 8 + 4) +#define SIGCONTEXT_HI2 (72 * 8 + 0) +#define SIGCONTEXT_LO2 (72 * 8 + 4) +#define SIGCONTEXT_HI3 (73 * 8 + 0) +#define SIGCONTEXT_LO3 (73 * 8 + 4) #define SIGCONTEXT_REG_SIZE 8 @@ -1000,18 +1033,49 @@ mips_linux_o32_sigframe_init (const struct tramp_frame *self, regs->fp_control_status + gdbarch_num_regs (gdbarch), sigcontext_base + SIGCONTEXT_FPCSR); + + if (regs->dspctl != -1) + trad_frame_set_reg_addr (this_cache, + regs->dspctl + gdbarch_num_regs (gdbarch), + sigcontext_base + SIGCONTEXT_DSPCTL); + trad_frame_set_reg_addr (this_cache, regs->hi + gdbarch_num_regs (gdbarch), regs_base + SIGCONTEXT_HI); trad_frame_set_reg_addr (this_cache, regs->lo + gdbarch_num_regs (gdbarch), regs_base + SIGCONTEXT_LO); - trad_frame_set_reg_addr (this_cache, - regs->cause + gdbarch_num_regs (gdbarch), - sigcontext_base + SIGCONTEXT_CAUSE); - trad_frame_set_reg_addr (this_cache, - regs->badvaddr + gdbarch_num_regs (gdbarch), - sigcontext_base + SIGCONTEXT_BADVADDR); + + if (regs->dspacc != -1) + { + trad_frame_set_reg_addr (this_cache, + regs->dspacc + 0 + gdbarch_num_regs (gdbarch), + sigcontext_base + SIGCONTEXT_HI1); + trad_frame_set_reg_addr (this_cache, + regs->dspacc + 1 + gdbarch_num_regs (gdbarch), + sigcontext_base + SIGCONTEXT_LO1); + trad_frame_set_reg_addr (this_cache, + regs->dspacc + 2 + gdbarch_num_regs (gdbarch), + sigcontext_base + SIGCONTEXT_HI2); + trad_frame_set_reg_addr (this_cache, + regs->dspacc + 3 + gdbarch_num_regs (gdbarch), + sigcontext_base + SIGCONTEXT_LO2); + trad_frame_set_reg_addr (this_cache, + regs->dspacc + 4 + gdbarch_num_regs (gdbarch), + sigcontext_base + SIGCONTEXT_HI3); + trad_frame_set_reg_addr (this_cache, + regs->dspacc + 5 + gdbarch_num_regs (gdbarch), + sigcontext_base + SIGCONTEXT_LO3); + } + else + { + trad_frame_set_reg_addr (this_cache, + regs->cause + gdbarch_num_regs (gdbarch), + sigcontext_base + SIGCONTEXT_CAUSE); + trad_frame_set_reg_addr (this_cache, + regs->badvaddr + gdbarch_num_regs (gdbarch), + sigcontext_base + SIGCONTEXT_BADVADDR); + } /* Choice of the bottom of the sigframe is somewhat arbitrary. */ trad_frame_set_id (this_cache, frame_id_build (frame_sp, func)); @@ -1089,9 +1153,16 @@ mips_linux_o32_sigframe_init (const struct tramp_frame *self, #define N64_SIGCONTEXT_REGS (0 * 8) #define N64_SIGCONTEXT_FPREGS (32 * 8) #define N64_SIGCONTEXT_HI (64 * 8) +#define N64_SIGCONTEXT_HI1 (65 * 8) +#define N64_SIGCONTEXT_HI2 (66 * 8) +#define N64_SIGCONTEXT_HI3 (67 * 8) #define N64_SIGCONTEXT_LO (68 * 8) +#define N64_SIGCONTEXT_LO1 (69 * 8) +#define N64_SIGCONTEXT_LO2 (70 * 8) +#define N64_SIGCONTEXT_LO3 (71 * 8) #define N64_SIGCONTEXT_PC (72 * 8) -#define N64_SIGCONTEXT_FPCSR (73 * 8) +#define N64_SIGCONTEXT_FPCSR (73 * 8 + 0) +#define N64_SIGCONTEXT_DSPCTL (74 * 8 + 0) #define N64_SIGCONTEXT_REG_SIZE 8 @@ -1140,6 +1211,7 @@ mips_linux_n32n64_sigframe_init (const struct tramp_frame *self, regs->fp_control_status + gdbarch_num_regs (gdbarch), sigcontext_base + N64_SIGCONTEXT_FPCSR); + trad_frame_set_reg_addr (this_cache, regs->hi + gdbarch_num_regs (gdbarch), sigcontext_base + N64_SIGCONTEXT_HI); @@ -1147,6 +1219,32 @@ mips_linux_n32n64_sigframe_init (const struct tramp_frame *self, regs->lo + gdbarch_num_regs (gdbarch), sigcontext_base + N64_SIGCONTEXT_LO); + if (regs->dspacc != -1) + { + trad_frame_set_reg_addr (this_cache, + regs->dspacc + 0 + gdbarch_num_regs (gdbarch), + sigcontext_base + N64_SIGCONTEXT_HI1); + trad_frame_set_reg_addr (this_cache, + regs->dspacc + 1 + gdbarch_num_regs (gdbarch), + sigcontext_base + N64_SIGCONTEXT_LO1); + trad_frame_set_reg_addr (this_cache, + regs->dspacc + 2 + gdbarch_num_regs (gdbarch), + sigcontext_base + N64_SIGCONTEXT_HI2); + trad_frame_set_reg_addr (this_cache, + regs->dspacc + 3 + gdbarch_num_regs (gdbarch), + sigcontext_base + N64_SIGCONTEXT_LO2); + trad_frame_set_reg_addr (this_cache, + regs->dspacc + 4 + gdbarch_num_regs (gdbarch), + sigcontext_base + N64_SIGCONTEXT_HI3); + trad_frame_set_reg_addr (this_cache, + regs->dspacc + 5 + gdbarch_num_regs (gdbarch), + sigcontext_base + N64_SIGCONTEXT_LO3); + } + if (regs->dspctl != -1) + trad_frame_set_reg_addr (this_cache, + regs->dspctl + gdbarch_num_regs (gdbarch), + sigcontext_base + N64_SIGCONTEXT_DSPCTL); + /* Choice of the bottom of the sigframe is somewhat arbitrary. */ trad_frame_set_id (this_cache, frame_id_build (frame_sp, func)); } |