From 888b45b888941292dfe30645cb2ac3ef75cb0a54 Mon Sep 17 00:00:00 2001 From: Kevin Buettner Date: Fri, 17 Feb 2006 18:08:00 +0000 Subject: [PATCH] * elf32-frv.c (elf32_frv_grok_prstatus, elf32_frv_grok_psinfo): New functions. * elf_backend_grok_prstatus, elf_backend_grok_psinfo): Define. --- bfd/ChangeLog | 6 ++++ bfd/elf32-frv.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 93 insertions(+) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index f2231def2e4..d2300d80135 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2006-02-17 Kevin Buettner + + * elf32-frv.c (elf32_frv_grok_prstatus, elf32_frv_grok_psinfo): + New functions. + * elf_backend_grok_prstatus, elf_backend_grok_psinfo): Define. + 2006-02-17 Shrirang Khisti Anil Paranjape Shilin Shakti diff --git a/bfd/elf32-frv.c b/bfd/elf32-frv.c index e839cd1fcd4..e0c512077d2 100644 --- a/bfd/elf32-frv.c +++ b/bfd/elf32-frv.c @@ -78,6 +78,10 @@ static bfd_boolean frv_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *)); static bfd_boolean frv_elf_print_private_bfd_data PARAMS ((bfd *, PTR)); +static bfd_boolean elf32_frv_grok_prstatus (bfd * abfd, + Elf_Internal_Note * note); +static bfd_boolean elf32_frv_grok_psinfo (bfd * abfd, + Elf_Internal_Note * note); static reloc_howto_type elf32_frv_howto_table [] = { @@ -6823,6 +6827,86 @@ frv_elf_print_private_bfd_data (abfd, ptr) } +/* Support for core dump NOTE sections. */ + +static bfd_boolean +elf32_frv_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) +{ + int offset; + unsigned int raw_size; + + switch (note->descsz) + { + default: + return FALSE; + + /* The Linux/FRV elf_prstatus struct is 268 bytes long. The other + hardcoded offsets and sizes listed below (and contained within + this lexical block) refer to fields in the target's elf_prstatus + struct. */ + case 268: + /* `pr_cursig' is at offset 12. */ + elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); + + /* `pr_pid' is at offset 24. */ + elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24); + + /* `pr_reg' is at offset 72. */ + offset = 72; + + /* Most grok_prstatus implementations set `raw_size' to the size + of the pr_reg field. For Linux/FRV, we set `raw_size' to be + the size of `pr_reg' plus the size of `pr_exec_fdpic_loadmap' + and `pr_interp_fdpic_loadmap', both of which (by design) + immediately follow `pr_reg'. This will allow these fields to + be viewed by GDB as registers. + + `pr_reg' is 184 bytes long. `pr_exec_fdpic_loadmap' and + `pr_interp_fdpic_loadmap' are 4 bytes each. */ + raw_size = 184 + 4 + 4; + + break; + } + + /* Make a ".reg/999" section. */ + return _bfd_elfcore_make_pseudosection (abfd, ".reg", raw_size, + note->descpos + offset); +} + +static bfd_boolean +elf32_frv_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) +{ + switch (note->descsz) + { + default: + return FALSE; + + /* The Linux/FRV elf_prpsinfo struct is 124 bytes long. */ + case 124: + + /* `pr_fname' is found at offset 28 and is 16 bytes long. */ + elf_tdata (abfd)->core_program + = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16); + + /* `pr_psargs' is found at offset 44 and is 80 bytes long. */ + elf_tdata (abfd)->core_command + = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80); + } + + /* Note that for some reason, a spurious space is tacked + onto the end of the args in some (at least one anyway) + implementations, so strip it off if it exists. */ + + { + char *command = elf_tdata (abfd)->core_command; + int n = strlen (command); + + if (0 < n && command[n - 1] == ' ') + command[n - 1] = '\0'; + } + + return TRUE; +} #define ELF_ARCH bfd_arch_frv #define ELF_MACHINE_CODE EM_CYGNUS_FRV #define ELF_MAXPAGESIZE 0x1000 @@ -6857,6 +6941,9 @@ frv_elf_print_private_bfd_data (abfd, ptr) #define elf_backend_finish_dynamic_sections \ elf32_frv_finish_dynamic_sections +#define elf_backend_grok_prstatus elf32_frv_grok_prstatus +#define elf_backend_grok_psinfo elf32_frv_grok_psinfo + #include "elf32-target.h" #undef ELF_MAXPAGESIZE -- 2.30.2