diff options
| -rw-r--r-- | gdb/riscv-tdep.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gdb/riscv-tdep.c b/gdb/riscv-tdep.c index 388ce8c..8024ffe 100644 --- a/gdb/riscv-tdep.c +++ b/gdb/riscv-tdep.c @@ -56,6 +56,7 @@ #include "prologue-value.h" #include "arch/riscv.h" #include "riscv-ravenscar-thread.h" +#include "safe-ctype.h" /* The stack must be 16-byte aligned. */ #define SP_ALIGNMENT 16 @@ -3780,6 +3781,33 @@ riscv_gnu_triplet_regexp (struct gdbarch *gdbarch) return "riscv(32|64)?"; } +/* Implementation of `gdbarch_stap_is_single_operand', as defined in + gdbarch.h. */ + +static int +riscv_stap_is_single_operand (struct gdbarch *gdbarch, const char *s) +{ + return (ISDIGIT (*s) /* Literal number. */ + || *s == '(' /* Register indirection. */ + || ISALPHA (*s)); /* Register value. */ +} + +/* String that appears before a register name in a SystemTap register + indirect expression. */ + +static const char *const stap_register_indirection_prefixes[] = +{ + "(", nullptr +}; + +/* String that appears after a register name in a SystemTap register + indirect expression. */ + +static const char *const stap_register_indirection_suffixes[] = +{ + ")", nullptr +}; + /* Initialize the current architecture based on INFO. If possible, re-use an architecture from ARCHES, which is a list of architectures already created during this debugging session. @@ -4020,6 +4048,13 @@ riscv_gdbarch_init (struct gdbarch_info info, disassembler_options_riscv ()); set_gdbarch_disassembler_options (gdbarch, &riscv_disassembler_options); + /* SystemTap Support. */ + set_gdbarch_stap_is_single_operand (gdbarch, riscv_stap_is_single_operand); + set_gdbarch_stap_register_indirection_prefixes + (gdbarch, stap_register_indirection_prefixes); + set_gdbarch_stap_register_indirection_suffixes + (gdbarch, stap_register_indirection_suffixes); + /* Hook in OS ABI-specific overrides, if they have been registered. */ gdbarch_init_osabi (info, gdbarch); |